Installing geo thermal in an old house with boiler? [more inside]
posted by idyllhands on Sep 28, 2009 - 8 answers

Our central AC/Heating system leaked some kind of, uh, oil (!?) last night. I have no idea what it is, the super is baffled. More inside. [more inside]
posted by GilloD on Dec 4, 2008 - 6 answers

Help me de-gunk my outside air conditioner. [more inside]
posted by Unicorn on the cob on Jun 25, 2008 - 5 answers

Can anyone help or point me in the right direction as regards CA building codes in relation to server rooms and cooling or how do you accommodate this if you are too small to need the big company solution. [more inside]
posted by clarkie666 on Aug 3, 2007 - 8 answers

BrrrrrFilter: It's gotten cold here in Chicago and my heater appears to be broken. Google didn't help me much probably because my knowledge of HVAC is weak. Help me find out quickly if I'm being ripped off? [more inside]
posted by twiggy on Oct 13, 2006 - 15 answers