Probably, it is worth spinning severe funds when purchasing equipment and immediately purchase a progressive heating boiler with additional functions. He will have the opportunity to observe what the temperature in the rooms and in the fresh air is now properly from this, to settle — it is worth acting with might and main or possible to lower the number of heat generated. And this one will not so excellently save your funds, but simply arrange a pleasant that has been a pleasant — you will not need to run more and manually adjust the capacity of the boiler.