Choosing a gas boiler is equivalent to a warm house in the winter

First choice: turbocharged or naturally aspirated?

We've learned that a standard gas boiler (atmospheric) has a chimney through which the release of products of combustion, but if this does not happen, you should remember that this is referred to as bezdymohodny, that is turbocharged.Apart from the fact that he has no way out of the chimney, it emits combustion products (which of course is) through a tube and the hole in the wall.Smoke developed and other gases are neutralized by means of the impeller, and the like of this, the term "turbo."

Therefore, if you have designed for private homes chimney, then you need to buy a boiler Chimney and the proposed version you absolutely not suitable.But if you are the owner of the apartment, then this type will be your best option.

second option gas boiler, one or two-circuit?

Single-circuit the boiler water makes heating process for heating radiators, while the dual-circuit can warm water for radiators and for consumer use (shower, sink, etc.).More noteworthy is that if a small capacity of gas boiler, it is able to heat a small amount of water, for example, with a power of 7 kW can heat only 3 liters of water per minute.To have enough water at all, and it normally circulating is necessary that the boiler could heat 10 liters per minute or less.Power for such performance has to be at least 20 kW.Turbofan boiler is also very suitable for outdoor as well as for wall mounting.

Therefore, it is important to buy high-power boiler, so that it can cope with the task and radiator heating and hot water supply.Otherwise, you will need to invest more and to buy a gas column.It is necessary to buy a system with maximum power, if you will, that it lacked for a comfortable use of hot water.

third option: one or two heat exchangers?

combi boilers fact divided into two types depending on said heat exchangers.First - separate, and the second - bi-thermal heat exchanger.

Second - responsible for water heating radiators and hot water for consumer services.It is sensitive to weather and bad water, for example, if water is not appropriate for the system, the heat exchanger is clogged with scale, which is why the performance of the heater is lowered.This heat exchanger works as long as often blows.To help him in carrying out its functions can only powder from scale, but it may be ineffective in this issue.

Separate heat exchanger is divided into two.One heats the water for the radiator, and the second - for bathrooms and other services.This type is less sensitive to poor water and a long service life, which is important.

fourth choice: condensing boiler, yes or no?

Condensing boiler - it is one that uses a lot of energy that is released during the condensation of water vapor.On servile mind, it means that the exhaust gases having higher temperature used condensing boiler, while water is introduced to the boiler, begins to be heated by the exhaust gases most, and then heated with a gas burner.

This choice of the gas boiler is expensive, but in the process will save you 20% of your money.Often, they are used for thermal insulation cold floor, because they are even with minimal performance outputs a maximum efficiency.

Choose only what is beneficial to you and to the entire approach to the mind and then you get lucky!