Before building a country house or cottage, it is important to decide on the type of heating system; there are many options for efficiency, installation complexity and price. Air heating is considered one of the most popular: compact heating and ventilation equipment is used for medium-sized rooms, and a more complex project is required for the entire building. Compared with water heating, air heating should be considered as a real climate system, because it combines several functions, such as heating, ventilation, cooling, humidification, air purification, and is economical in operation.
We asked the specialists of ATM Climate, a company that holds one of the leading positions in the HVAC equipment market, to tell us more about such systems.
Operating principle and system equipment
Air heating equipment is divided into two types:
First type - with a heat exchanger in the form of a combustion chamber in which the gas is directly combusted. The air passing through the heat exchanger is heated and supplied to the room.
Second type - with a water heat exchanger. For such a system, the heat source can be a wood stove, solid fuel, gas or universal boiler. It is also possible to install an electric heater in the system, but it should be understood that electricity costs will be very significant, in addition, this option is not suitable for houses for which a small allocated electrical power is provided.
The most modern option is the installation of an air-to-air heat pump. An advantageous feature of such a solution is that if an air conditioner is included in the system, then such a system will not require large additional costs for equipment, but it can significantly save on resources during operation.
The use of heat pumps of this type for heating houses is a global trend, since heat is obtained without burning fuel and the accompanying pollution of the atmosphere.
The main components of air heating:
Fan... The heart of the system, it must be productive and durable.
Heat exchanger... It serves to warm up the air flow.
Air ducts... These elements are used to direct air supply to the room.
Filters, humidifying devices... They are necessary for cleaning and maintaining an optimal microclimate inside the building.
Air conditioning... Allows to cool all rooms in the house.
Control system... It automatically maintains and monitors temperature conditions, turns on and off the climate system.
Effective and aesthetically pleasing for houses with panoramic glazing and second light Source indivi-dom.ru
Note! There are no radiators in the air heating system. After warming up, air enters the rooms through the grates, cold masses are forced upward and sent through the air ducts to the heat exchanger. The circulation ensures competent heating of the premises and promotes efficient ventilation.
The circulation can be natural or forced. In the first case, the flow is displaced due to the temperature difference, in the second, a fan is used. As a rule, systems equipped with such equipment are quite powerful and efficient. They are arranged in houses with an area of \u200b\u200bup to 400 square meters, if the area of \u200b\u200bthe house is larger, several systems are installed.
You can get professional advice on air heating of a private house directly from specialists. Contacts of the ATM Climate company follow the link. Or check at the exhibition of houses "Low-rise country".
Advantages and disadvantages of air heating
Like any other system, this design has its pros and cons. The advantages include the following qualities:
Versatility... Air heating of a private house provides not only heat or coolingbut also ventilation, cleaning up and humidification air, in fact being a climate system for creating an optimal microclimate in the building.
Ease of use... All system management can be fully automated.
High energy efficiency (1.5 times more economical than hot water heating)... Air heating is best suited if the owner is interested in saving in the process of use.
Increased reliability... The system practically does not fail, it requires less frequent maintenance. Inside, due to the lack of liquid, an air lock or a coolant leak cannot form. There is no such thing as “defrosting” for such a system.
Durability... The system, provided that it is correctly installed, can work for several decades. In the process, it is only important to regularly change consumables and check for serviceability.
In the event of an emergency power outage, the system will not defrost and will not spoil the repair Source master-electrician.ru
An important advantage of air heating is the ability to maintain a given temperature for a long time. It is not affected by weather conditions; the mode can be adjusted using the automatic thermostat or manually using the control panel. With proper design, the elements themselves take up a minimum of space, look quite aesthetically pleasing, and for greater attractiveness, you can, for example, hide the air ducts in special decorative boxes.
At the same time, air heating has a number of disadvantages:
The system must be installed at home even during construction... Since air ducts take up a significant place in the house, they must be designed in advance.
For small houses an air heating system will cost a little more than traditional heating.
Install stretch ceilingif planned, it becomes more difficult as ducts have to be bypassed.
Installation is desirable before interior finishing, otherwise it will be impossible to hide the air ducts in the ceiling of the house.
Ceiling height at the locations of the air ducts, if it is impossible to lay in the ceiling, decreases by 15-20 cm.
Before installation, it is required project creation, the work itself must also be entrusted to professionals.
How the air system is designed
The creation of a project is an important preparatory moment: if it is done with mistakes, the owner will face difficulties in the process of using heating. So, incorrect calculations lead to a lack / excess of power, improper ventilation, uneven heating of the premises. In order for the air heating of the house to function without interruptions, attention must be paid to the following points:
Calculation of heat loss done for each room. They depend on how many doors and windows there are in the room, since heat goes out more intensively through these parts.
Calculation of heat loss for ventilation depends on the number of permanent residents to provide people with fresh air.
The location of the main elements on the diagram, correlation with other engineering communications, structural elements of the house and interior items
Determination of the type of fuel and power of the heat source... When calculating, it is important to remember that the heat source is calculated not only for the normalized winter temperature, but also for unforeseen negative temperatures.
Selection of optional equipment - such as air conditioner, humidifier, bactericidal cleaner.
The project includes the calculation of all system components, the volume and cost of materials and consumables. Only professionals can make a competent project.
A competent project allows you to optimally arrange equipment and basic elements Source seaside-home.ru
Installation nuances
Even if the project has been completed in full compliance with the requirements of GOST and developed by professionals, it is undesirable to assemble the system with your own hands, since this is a very difficult process. However, you should know its features in any case:
Air duct section can be round, rectangular or square, the choice depends on the characteristics of the room and the project itself.
Air ducts are most often done made of galvanized steel sheet: It is lightweight, does not deform and is not afraid of corrosion.
Air duct attachment possible inside walls, in ceilings, under the ceiling... If necessary, they are masked with decorative panels: this allows you to create an attractive design of the room, without fear that the elements of communications will ruin the interior.
Note! During the circulation of air flows, the system emits noise, and in order to reduce it, it will be necessary to install a soundproof layer. The materials used for this often serve as a heat insulator.
When installing a system with forced circulation, the device is connected to a heat source and an electrical network, you can also use an emergency power source in case of a sudden blackout.
It is also important to choose filters for heating: they can be mechanical, electrostatic and carbon. The first type is used to trap dust particles and dirt, the second is used for finer cleaning, the third is used to eliminate unpleasant odors. These elements most often require replacement, they usually need to be replaced every 2-3 seasons if the building is used for temporary residence, or at least once every six months with constant use.
Service: Key Features
To keep the number of breakdowns during the service life to a minimum, it is necessary to provide the system with timely maintenance. The frequency depends on its complexity, intensity of use, and other factors.
Air heating of a country house requires the following regular actions:
Visual inspection equipment, diagnostics of individual units.
Cleaning and replacing filters, cleaning and replacing the humidifier cushion, cleaning the heat exchanger.
Automation check.
Timely maintenance will help avoid power loss, equipment breakdowns, and repairs. Some work can be done by yourself, such as replacing and cleaning the filter or cleaning the heat exchanger. Other jobs require qualifications and it is better to leave them to profiled companies.
Video description
In this video we will discuss whether it is possible to mount air heating yourself:
For the procedure to be successful and fast, it is recommended to order a regular system check from a trusted company. Many users conclude a service contract with one firm, and specialists perform work every season or with another established frequency.
A properly designed and maintained system will last a long time Source remlandia.ru
On our website you can find contacts of construction companies that offer the service design of country houses... You can communicate directly with representatives by visiting the Low-Rise Country exhibition of houses.Air-to-air heating or air heating. Pros and cons of air heating:
Conclusion
The creation of an air heating system is a profitable solution, since it is distinguished by its practicality, high level of comfort and economy. It is recommended to carry out design at the stage of building construction: this will help to take into account all the nuances of the layout, calculate the efficiency and prevent such mistakes as installing equipment of insufficient power or uneven heating. Since the installation requires special knowledge and experience, the arrangement of air heating must be entrusted to specialists.
Heat generators, and other miscellaneous units, both purchased and made by hand. In this article, we will take a closer look at air heating of the house and interiors.
The air in the rooms received heat from those heated by the passing air and, one might say, indirectly. Such a system was called direct-flow, and had a rather modest efficiency. The reason for this is that a large amount of heat was spent on heating the entire depth of the floor and walls, as well as on "heating" the street. After all, a still warm air stream came out into the street. But it was precisely because of this temperature difference outside and inside the system that traction was formed, which improves the heating process.
Recirculating air heating
The beginning of the use of natural gas as a new type of fuel made a real revolution in heating by air methods. Heating the air with a fairly clean type of fuel, the appearance of special air filters - all this made it possible to pump hot air mass into the room, creating a closed cycle of air circulation in the building.
The air flow, heated by electricity or, is supplied through specially equipped air ducts to the upper part of the building.
The air gives off heat and gradually begins to descend, returning back to the heater, and it is occupied by other, hotter rising streams.
Such a device for the recirculation system is called gravitational, since the movement of air occurs only due to the natural force of gravity, without the use of any devices. In the event that the structure of the building does not allow the air to turn freely, a forced ventilation system is arranged.
To inject heated air into the premises, and take it back to the heater, they are carried out by means of special fans. Such heating with recirculation is a fairly inexpensive and simple heating option, perfect for warehouses, workshops and other non-residential premises. Why uninhabited? The fact is, passing through the heating element many times, the air loses its quality.
Therefore, when heating an apartment or house using this type, the air will have to be ionized and humidified. Exhaust air is gradually removed outside, and fresh air from the street takes its place. There are also all kinds of combined air / oil or air / water heating systems used for district heating of a small building complex.
Private house: how to make air heating?
First of all, you need to think over everything, and choose the most important thing - a heating element for the system. Very often, special gas generators are used to heat residential buildings and apartments. Which heater model do you prefer?
The correct choice is made taking into account the area of \u200b\u200bthe room, as well as the standard fuel consumption of the unit. There are a lot of good reviews about devices made in the Scandinavian countries. They, of course, are not budgetary, but they are perfectly adapted to long harsh winters. What else is needed besides the heat generator itself?
- Lattice... Through them, air is taken in and supplied.
- Air ducts - rigid or flexible... These are special pipes designed to circulate heated air through them. For rigid ones, you will also need special “curved” elements called bends. You will also need to take care of the required number of tees. Their number depends on the scheme and complexity of the circulation system. Air ducts are made of various materials, but galvanized steel fixtures are more commonly used.
- Mounting hardware and tools for galvanized steel.
- Aluminum tape (preferably reinforced) for reliable sealing of the joints of the air duct parts.
It is most convenient to plan a suitable home heating system in advance, even at the initial stages of construction. Then you can take into account the location of future elements, and make special inconspicuous niches in the walls for conducting air ducts.
In the same case, when the system is being developed and installed in an already finished house, such air ducts are masked with false walls and suspended ceilings. Air-thermal heating of a building is a profitable and very promising model for arranging a comfortable home, which is worth paying close attention to. Be that as it may, it's up to you to choose!
Air heating is a special thermoregulation system. It involves the supply of air heated to a given temperature directly into the premises of a residential or non-residential building. Compared to stove and radiator systems, such heating has a number of advantages.
Air heating at home - there are many advantages, but few disadvantages
Many modern heating systems have serious drawbacks. This forces property owners to look for more efficient heating options. In recent years, air systems have begun to gain considerable popularity, which heat both huge premises (both residential and industrial or administrative) and very small houses with several rooms with the same high quality. This type of heating is characterized by the following advantages:
- 1. There is no need to spend money on the purchase of pipes and radiators, as well as on their installation.
- 2. The efficiency of air systems is approaching 90%.
- 3. The possibility of arranging, within the framework of one project, a combined complex for maintaining the required temperature in a private house (air conditioning plus heating).
- 4. Complete safety of equipment operation. The systems we are considering are equipped with highly sensitive automation. It is she who controls the heating operation every second. As soon as any malfunction occurs, there is a danger of leakage, the automation switches off the used air installations.
- 5. Low power consumption, affordable cost and quick payback of installed heating equipment. Air will be truly profitable and economical.
- 6. Aesthetics. The dwelling does not need to be cluttered with radiators and highways connecting them. Due to this, all the free space in the premises can be used to create chic interiors.
- 7. Simplicity of operation. System startup, selection of the required operating mode, equipment shutdown and many other processes are performed in automatic control mode. The likelihood of human error when using air heating is essentially reduced to zero.
In addition, the described type of heating is distinguished by its durability and reliability. If the heating project is drawn up correctly, the installation was made without errors, and regular maintenance is done on time, the network will serve 20-25 years without the slightest accidents. Note also the uniquely high speed of air heating. In cases where the room temperature was zero or negative, after starting the equipment, it takes a maximum of 30–40 minutes to fully warm up the room.
The lack of air heating includes the need for quite frequent (and necessarily regular) maintenance. Another disadvantage is the volatility of the described complexes. The equipment is powered by electricity. If there is no light in the house, the system will stop. There is only one way to solve this problem - to take care of installing an additional (autonomous) power source.
Varieties of systems - how to choose the optimal one?
Familiarization with the types of air heating makes it possible to choose the configuration that is suitable for a particular residential building in all its characteristics. The systems of interest to us are classified by
- place of equipment installation;
- air circulation option;
- type of heat exchange;
- scale.
The air heating system is either suspended or floor-mounted. The first option involves the installation of channels (air ducts) to fill the room with heated air under the ceiling, the second - under the floor. Important. In both cases, the channels can be easily masked using decorative elements and skirting boards. In private housing construction, experts advise using a floor scheme, since it first heats the lower part of the room, providing maximum comfort for the inhabitants of the home. When installing overhead ducts, there is a possibility that heat may not be able to reach the floor surface. This will bring some discomfort to the person.
By the type of air circulation, air systems are classified as forced and natural. This moment is of great importance. With natural ventilation, air is raised by heating it. The hot mass is directed into the air ducts, heats them, and then goes back to the heat exchanger. If, during the operation of the system, cold air from the street gets into the room (for example, through windows or doors), it will accumulate on the floor. As a result, the bottom of the room will always be cooler.
With the forced ventilation described above, there is no problem. In this case, the system is equipped with a special fan. Its task is to form a predetermined pressure at which the heated air moves through the room much faster. Due to this, the room is heated in a matter of minutes. Cold air in the presence of a fan simply cannot change the temperature regime provided by the system. Nuance. The ventilation equipment makes a noticeable noise during operation.
If you consider yourself to be overly susceptible to extraneous annoying sounds, it is better to opt for networks with natural ventilation.
Heat transfer in the described systems is supply and recirculation. Here you need to remember the following. If the heating takes air exclusively from the street, then we have a supply system in front of us. For its arrangement, fans are needed that can direct street air masses to the heating installation. If the air is taken both outside and inside the house, we are talking about recirculating heat exchange.
In terms of scale, air heating is classified as one of two types. The first is local. It is suitable for heating private house building areas. The second type is central. This scheme is good for warehouses, entertainment facilities, sports facilities, large stores, and so on. It makes little sense to introduce it into a home (even a large one).
Heating device - what elements are needed?
Regardless of the type of system chosen, for its arrangement, you will need to purchase:
- heat generator;
- air ducts;
- fan;
- air intake and supply grilles.
A heat generator is a furnace (boiler) for burning a certain type of fuel in order to heat the air. It can operate on any fuel. The air heater uses natural gas, liquefied or liquid fuel, even wood or coal. An important point! Boilers for the heating systems under consideration make it possible to switch from one fuel to another at any time. If the heat generator operates from natural gas, it is enough to change the burner on the unit to start using diesel fuel. It takes just a few minutes. In cases where it becomes necessary to burn natural gas instead of liquefied gas, you just need to install a replaceable nozzle on the unit, which is characterized by a different section of the through holes.
Air ducts are branched type ducts designed to supply the heated air flow to the heated rooms of the house. These fixtures are made in round or rectangular shape. The difference between them is insignificant, but it is there. Round ones have a cross-section within 20 cm, they are described by a small resistance (aerodynamic). This increases the heating efficiency slightly. The connection of individual parts of round ducts is carried out with pins or clamps. The section of rectangular channels is usually slightly larger. Such designs are easier to fit into the home interior. For this reason, they are used much more often than round ones to supply heat to private dwellings.
An air heating device requires the use of some other elements. Air intakes and air distributors are always mounted in the areas where the air ducts are led into the heated rooms. A fan (supply) is also required. It injects a heated air stream into the air ducts. The fan is installed under the combustion chamber of the boiler used. Usually it is equipped with a filtering device that cleans the air from fine dust particles and other impurities.
Calculation and self-installation of the heating system - will it work?
Calculation of air heating and drawing up its exact design are mandatory stages of system installation. These operations are necessary for:
- determining the speed at which the air should move;
- selection of a heating installation with suitable power characteristics sufficient to heat the house;
- obtaining an accurate installation diagram of all elements of the heating network;
- determination of the aerodynamic index of the system and the volume of heat leaving the house through door and window openings, floor base, roof, wall surfaces.
It is quite difficult to carry out a competent calculation with your own hands. You need to have the knowledge of a heating engineer. We recommend that you entrust the design stage to specialists. And as installation work, having a heating scheme at hand, you can do it yourself.
The video below shows the sequence of actions that need to be performed when assembling and connecting the air heating system. The first step is choosing and. It must necessarily have such modules - regulation of the intensity of combustion and auto-monitoring of the safety of the operation of the equipment. A unit without such systems is not suitable for arranging air heating.
We connect air ducts to the boiler installed in the selected place. Both metal flexible ducts and galvanized steel products are allowed. The first are connected to each other and sealed with special reinforced tape, the second - with pins, clamps. If a combined heating and air conditioning system is being installed, the air ducts must be carefully insulated. Then condensation will not form on their surface.
After laying the air ducts, you can mount the grilles, and then decorate the laid channels for the existing interior (of course, if you have planned such work). Watch the video carefully, listen to the advice of experts, and you will definitely be able to build a high-quality and durable air heating system. May your home always be cozy and warm!
The choice of a suitable heating system is an important stage in the construction and arrangement of a private house. Solid and liquid fuel units are gradually fading into the background. The air is gaining wide popularity with its own hands, almost any owner of suburban housing will be able to hold it. This article will tell you how to do this.
Air heating - what is it?
This heating method is a kind of thermoregulation system, in which cooled or heated air enters the room. Almost everyone can do air with their own hands, the main thing is to understand the principle of the system and its composition. It includes:
- Branched air duct channels. They provide air flow access to heated rooms.
- Water heater or heat generator. It heats up the air.
- Fan distribution heads. They direct the air masses inside the room in the right direction.
Principle of operation
A heat generator usually includes a combustion chamber, a burner and an air heater. From below, from under the fan, cold air enters the heat exchanger. The fuel that is burned in the combustion chamber releases energy. Due to it, the heat exchanger heats up, which means that the temperature of the air that was in it rises. Then the heated streams enter the air ducts and are directed into the room. Heat generators are of different types, some work on main or liquefied cylinder gas, others on diesel fuel. The burner, due to its versatility, can burn any substance. In any, even a standard heater, the burner can be replaced. Together with it, the entire supply system is mounted. All waste gases leave through the chimney.
The air heating system of a private house involves the use of one of two types of air outlets: round or square. The first ones have minimal aerodynamic resistance, their diameter is 10-20 cm. Square or rectangular ducts are made in the form of boxes. Most often, parts with an area of \u200b\u200b10 * 15 or 32 * 40 cm are used. Such air vents are easier to install and take up less space.
Advantages and disadvantages of air heating
The air heating system of a private house has both pros and cons. The advantages include the following characteristics:
High level of efficiency (over 90%);
Lack of - radiators and pipes;
Comfortable microclimate in a heated room;
Low inertia of the system, which allows you to quickly heat up the house or lower the temperature if necessary;
The fans can be used in conjunction with solid fuel stoves, this allows you to heat all rooms in the house;
Air purification from allergens and other harmful substances thanks to filters;
Possibility to connect the system with a humidifier;
In the summer season, additional draft can be used to cool the room.
Air heating of a private house, the disadvantages of which we will consider below, is far from a perfect system. She has serious disadvantages:
This type of heating should be laid at the beginning of building a house;
Complexity of installation;
Calculation of the diameters of the air ducts before laying;
Air heating requires constant maintenance;
It is very difficult to upgrade the system during operation;
Air heating requires additional filtration and air humidification;
In the event of a power outage, you need to have a backup power source.
Types of air heating
To mount air heating of a private house with your own hands, you should figure out the installation methods. These systems are built according to 2 schemes:
Forced;
Gravitational.
The first scheme assumes the presence of a fan in the system. It creates the required pressure, and the air heated by the heat generator moves to the air outlets. Its location is usually the same regardless of the type of system - it is located under the heater. The air that enters the fan is already pre-cleaned of dust, dirt and microbes. It returns back through ventilation grills or return air vents.
Air heating of a private house, done by hand, made according to a natural or gravitational scheme, functions by changing the main advantage of such a system is that it practically does not depend on the supply of electricity. But the circulation of heated air masses can be easily disturbed by an ordinary draft. The working part of the room is cooled, and the pre-ceiling, on the contrary, overheats.
Features of the direct-flow heating system
Do-it-yourself air heating of a private house is often done using a direct-flow heating system. The principle of operation is as follows. The air is driven by the fan through the heater and through the channels it passes into the room. It gives off heat, assimilates allergens and microbes and leaves through the return shaft. This system is recognized as the most hygienic and safe, but at the same time it has its drawbacks. The main disadvantage of direct-flow heating is high energy.
Recirculation heating system. Nuances
Such a system is characterized as highly efficient heating. The air is heated in the heater and sent through the ventilation channels to the premises. Then it cools down, compensates for heat loss and comes back. Then the air is reheated and the process is repeated. Of course, this system is the least hygienic, since harmful substances enter the premises again. Recirculation is provided where ventilation is not required as such.
Air heating system design and calculation
To install air heating with your own hands, a calculation, a scheme, the device of which must be taken into account during the installation process, you need to carry out some preparation. Once you decide to install such a system, you need to draw up a preliminary design. It is imperative to calculate the following indicators:
Heated air supply speed;
Sufficient power of the heat generator in order to heat the room to the desired temperature;
Diameter of air vents;
Aerodynamic characteristics;
The amount of heat loss on the ceiling, walls and floor.
Air heating of a private house, the scheme of which will help to take into account all the constituent elements, must be agreed with specialists. They will help you perform the necessary calculations. By contacting a special service, you can avoid drafts in the room, noise and vibration in the house, as well as overheating of the heat generator.
It is better to think over the place of installation of the equipment in advance, there are no general recommendations on this matter.
Selecting a heat generator
Unfortunately, not everyone prefers to install air heating in a private house. The cost of the system device largely depends on the choice of the heat generator. They are of two types:
Mobile;
Stationary.
Gas mobile heat generators are very bulky installations. Most often they are used in industrial facilities. Let's consider in more detail the stationary equipment. These heat generators have a closed combustion chamber. They are installed in pre-prepared places with a smoke exhaust system. Stationary heat generators are available as floor-standing or suspended equipment. The latter is otherwise called heaters. They are designed to heat one room. Most often, the heater is used in country cottages and summer cottages, since it is able to warm up the room in a matter of hours.
The suspended heat generator does not take up much space and is very quiet. The casing of the unit is made of materials with low thermal conductivity, therefore it is safe to use.
The floor generator is a more voluminous device. He is able to heat the house completely thanks to the connected air vents.
Installation equipment
Self-made air heating of a private country house, provides for the following equipment:
Air ducts;
Heat generator;
Fan;
Decorative grilles;
Air intake hoses outside the premises.
Installation instructions
Do-it-yourself air heating is installed (diagram, system design were discussed above) in several stages:
- Boiler and heat exchanger installation.
- Wiring, installation of air ducts.
- Insulation of return and supply channels.
- Creating a hole in the wall of the house for air intake and installing a hose.
Air heating of a private house (reviews confirm this) begin with the installation of the boiler. It is usually installed in the basement. It is strictly forbidden to connect the boiler to the gas main on your own; it is imperative to call a specialist. The chimney can be made from sheet metal. The upper part of the heat exchanger is connected to the supply air outlet, and a fan is installed under the combustion chamber. From the outside, a return pipe is brought to it. The first stage has been completed.
The wiring process begins with connecting flexible air ducts to the supply line. As a rule, they are made with a circular cross-section. Next, a return air outlet is mounted, usually it has a larger diameter, but the outlets of such a channel are smaller than that of the supply.
To prevent condensation from forming in the sleeve, it must be insulated. Further, a throttle valve is installed in the pipe, with the help of which the process of regulating the amount of incoming fresh air takes place. After the system is installed, you can hide all pipes and wires with plasterboard boxes for greater aesthetics.
So to be or not to be this system - andthis is how the question can be raised when discussing air heating of a private house. And if in relation to our climatic conditions it has already become a classic of the genre, then there are many rumors and legends. The time has come to clarify the situation, and FORUMHOUSE users will help us with this! But first, let's look at the experience of our compatriots living in the United States - whether it is applicable in Moscow and our other cities, at least partially.
OnlyOn :
– I constantly communicate with relatives living in the American town of Janesville, near Chicago. The climate there is similar to ours. And in all houses assembled using frame technology, air heating and air conditioning systems are installed.
The air heating system of a house works according to the following principle: a heater, electric, or fired with solid fuel or natural gas, is located in the basement of the house. Air is taken from the street and, heated in winter and cooled in summer, is distributed by air ducts throughout the house.
Read on how to choose your own for your home and country house.
And in every room, under the windows, in the walls, in the floor, there are exits covered with adjustable grilles. Thermostats with manual or automatic air temperature control are installed on the walls at a level of 1.5 meters.
Let's see if we can apply such a system to our climatic conditions.
Forum user with nickname Traks.
- At our forum we have already discussed more than once air heating of a house, and not only a frame one. But there are very few implemented projects. It seems to me that this system, we have not yet justified the cost, both the equipment itself, so its installation and operation.
But the traditional, for us Russians, types and, hot water in radiators, stoves, fireplaces, heat generators, operated for more than one year - live and prosper.
So is it worth experimenting, because usually everything new needs in running and at first it is perceived with a certain degree of skepticism.
But our forum member with a nickname Anchous, is going to equip his frame house with an area of \u200b\u200b150 m2 with an air heating system.
- I want to divide the heating and ventilation into two zones - a public and a bedroom, so as not to unnecessarily heat what is not currently being used. I also plan to provide an exhaust ventilation of the office, so that you can smoke there with a clear conscience.
Let us consider in more detail the principle of operation of such a system.
Anchous:
- A general circulation heating and a separate supply of fresh air to each zone are planned, an exhaust hood, respectively, also each has its own separate supply and exhaust in the office.
The operating modes will be as follows:
- Supply circulation is the main mode when someone is at home;
- Circulation without supply - maintaining the minimum required temperature when there is no one at home;
- Circulation without inflow (quick warm-up) - after SMS "Going home";
- Displacement ventilation - fast ventilation, recirculation dampers are closed.
An article about the ventilation system is available at this .
But such a system also has its pitfalls.
viktor50:
- Veheating a house is a complex system. H it is necessary to calculate how many valves and other regulating devices you will have, because all this can fail, and adjustment can take an indefinite time and cost a lot of money.
An air heating system is a complex engineering structure. And it is necessary to develop it even at the design stage of the house!
Also, with an air heating system, it must be borne in mind that:
- A filtration system is required;
Without it, the air heating system of the house is a fiction, since the air in front of the stove must be cleaned. Otherwise, the furnace will burn waste products with the flow of combustion products directly into the room.
- The mechanical filter must be cleaned every month, the electrostatic filter - once a quarter, the coal one every six months;
If you clean it less often, then the flow of dust into the heat exchanger increases, where it starts to burn out.
- It is necessary to install an antibacterial filter, because warm and humid air flows through the ducts.
But, despite a number of complex technical points that need to be paid attention to, the use of a correctly calculated and installed air heating system, in the opinion of our user with nickname TGSV has the following advantages:
- No heating system , which leads to a significantly lower thermal inertia and a much faster heating of the surrounding space than in the case of using water radiators.
Low inertia provides an opportunity for flexible control of air heating operation. The temperature in the heated room is controlled by built-in automation and a remote thermostat.
When the desired temperature is reached, the air heater turns off, and when it drops by 0.5-2gr. (depending on settings) is activated again. The operation of the unit can be programmed by the hour and by the day. With the correct calculation of the system, to ensure a temperature of 20g. the unit will turn on for 15-20 minutes per hour. And during the period when there is no one in the house and there is no need to keep 20g. then at 5-10 minutes per hour.
TGSV:
- The air installation can be useful in the summer as well. It is perfectly suited for combination with air purification, air conditioning and humidification systems.
Thus, in addition to centralized heating and ventilation, the user also purchases a central air conditioner. Those. cumulatively, this is the installation of a full-fledged climate control based on one air duct system, with the possibility of zonal air distribution throughout the house.
As additions, this scheme integrates multi-stage air filters from mechanical to electrostatic, ultraviolet lamps for bacteriological cleaning, automatic. The operation of the entire complex is controlled from a single control panel, including using remote access technologies via the Internet.
An interesting experience of operating an air heating system by our forum member with a nickname Nadezhda_Kiev:
- I have a frame house with an area of \u200b\u200b300 sq. M, plus a basement monolithic mezzanine of 70 sq. M. Heated area 250 sq. Heating is gas, air conditioning is electric. In 2010, 2,500 cubic meters of gas plus electricity costs were spent on heating - a fan for heating a house drives air through pipelines during the heating season $ 20. in 6 months. Air conditioning costs about $ 1. in a day.
With your own hands
As mentioned above, an air heating system is the best fit for equipping it. But it must be borne in mind that the heat loss of such a house should be minimized, and even at the design stage between the walls, it is necessary to leave space for laying pipes and ventilation ducts.
TGSV:
- Large main air ducts, usually hidden in built-in wardrobes, under stairs, in corridors, attics, technical undergrounds. Air ducts with a section of 250x80 are bred in the rooms. if it is not possible to skip them under the floor or in the attic, then the suspended ceiling will eat no more than 100mm. Now there are more modern high-pressure systems, they use flexible ventilation ducts with a diameter of 70 mm.
An air heating system works best in combination with, but the experience of our forum member is indicative Andrew , who decided to independently make such a heating system, based on a solid fuel boiler.
Andrei.:
- I have a frame house 8x8. Insulation - polystyrene 15 cm - floor, ceiling and walls. Heating TT stove Professor Butakov installed in the attached garage. There are four air ducts from the stove to the corners of the house under the floor. The air is driven by a fan through the oven. Hot air outlet in the floor in the form of an ordinary iron ventilation grill. Air intake is partly from the house, partly from the street through the air ducts.
Thus, heating and ventilation of a private house is carried out simultaneously.
Andrei.:
- In winter, at night it was -38 gr. in the afternoon 31 gr., at home always + 25 + 27. Cold air (30-70%) from the street is mixed with warm air (70-30%) from the house and through a filter (100 rubles) - a fan - the stove is fed into the house. Excessive pressure is created and if there are cracks somewhere in the house, then cold air from the street does not blow into them, but on the contrary blows out of the house.
The oven itself, according to the forum member, is heated around the clock, without interruption. And the heat energy from one firewood bookmark is enough for 8 hours if you heat it with pine and 12 hours if you heat it with larch. 
The outlet pipes on the furnace were connected by a tin box into one duct. Hot air comes out from above, cold air comes in from below. Two insulated air ducts leave from the stove to the left and right. And under the floor of the house, the air ducts in the rooms are separated by a tee.
Sometimes you can hear the opinion that the air heating system is too noisy.
Nadezhda_Kiev:
- My warm air comes from the floor near the windows, creates a heat curtain near the window, rises up and is taken by the grate, which is located in the hall near the stairs much higher than our head, therefore, we do not feel the forced flow.
Andrei.:
- I do not feel the movement of air, only if you stand near the grate, you can see that the curtain barely sways. There is no dryness either. Air duct with a diameter of 100 mm. with hot air, insulated with isover with foil enters the house under the floor. Next comes the lag. And comes out in the four corners of the house from under the floor.
Let's calculate the cost of a homemade system, it was spent:
- Boiler - 25t.r;
- Pipe, sandwich (6 meters) - 12 tons. R.;
- Air ducts - 2t. R.;
- Fan - 3 tons. R.;
- Filter - 100 rubles;
- Filter housing - 500 rubles;
- Silencers (2 pcs.) - 2 tons;
- Oven sealant - 200r;
- Self-tapping screws - 100r.
Andrei.:
- And before that, I found out about water heating in the company. Boiler + pipes + radiators + work - they counted me at 320t.r.
FORUMHOUSE users can learn about what is better and how to independently assemble an air heating system, participate in a heated discussion and topics "". Watch our video about the secrets of air heating.