HHerbert-P 2011-02-04 22:52:54#2I have looked at a gas heating system in combination with [Solarthermie]. Also an interesting combination, as the purchase of a gas heating system is supposed to be quite inexpensive by comparison.
I have looked at a gas heating system in combination with [Solarthermie]. Also an interesting combination, as the purchase of a gas heating system is supposed to be quite inexpensive by comparison.