Antifreeze in hot water system
I am about to have a combination hydroair and hydronic (baseaboard) system installed, should this system have some antifreeze or anticorrosive solutions in it, I have heard both ways yes and no – seeking more opinions
I am about to have a combination hydroair and hydronic (baseaboard) system installed, should this system have some antifreeze or anticorrosive solutions in it, I have heard both ways yes and no – seeking more opinions
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Replies
I wouldn't, unless there was some expectation that the lines might freeze--such as in a garage or outbuilding, or if you left the house for long periods in the winter.
The two arguments against them are you need an RPZ valve, which needs to be inspected annually, at least where I live, and antifreeze is less efficient than plain water.