I have a 20-year-old furnace. [more inside]
posted by Nonce on Oct 20, 2009 - 15 answers

Can I get the Federal Tax Credits for Energy Efficiency if I am buying the house right now, and the current homeowner is replacing the furnace for me? [more inside]
posted by dpollitt on Sep 1, 2009 - 4 answers

High-efficiency gas furnace installed where previously there was mid-efficiency. So it vents straight out the wall while the old furnace used the chimney. The vent is right next to the sandbox. How bad is this? [more inside]
posted by winston on Apr 26, 2008 - 5 answers

(Oil Heat) - Getting a new oil burner / furnace. (1) How much should it cost, including installation, for a new oil furnace that's at least pretty good/efficient? (We've gotten one estimate, so far, for $10,000 (!) $11,000 for antifreeze pipe system.) What's the cost for the equipment vs cost of labor? (2) The $10K was for a System 2000. Is the System 2000 really that good? Anyone have one? How much did it cost? How much did it reduce your heating bills? [more inside]
posted by coffeefilter on Apr 2, 2008 - 6 answers

I just moved into a house that I bought, and the heater makes this 700 square-foot house nice and toasty, but the timing seems off. First something comes on, it makes a humming, sounds like a motor, but no air is coming out yet....that goes on for a minute or two, then the igniter clicks on and glows for about a minute, then flames come on for 3-5 minutes, then the fan comes on and blows heat up throughout the house. Inspector said... [more inside]
posted by Salvatorparadise on Nov 11, 2006 - 9 answers

What can we do to get more air from the air conditioning (and the heat in the winter) to the back of the house? [more inside]
posted by winston on Jul 29, 2006 - 17 answers

I'm having three HVAC contractors come to my house tomorrow to give me estimates for replacing my gas furnace. What should I look for to identify a "reputable" contractor, and what questions should I ask? [more inside]
posted by gwenzel on Jul 17, 2006 - 10 answers