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(Heating, Ventilating, and Air Conditioning) For questions about installing, repairing, and troubleshooting HVAC systems.

3 votes

Would putting a sprinkler on my roof help cool my home?

Related to @Vebjorn Ljosa's answer, you could also install solar panels on your roof. Check out an organization called One Block Off the Grid (http://1bog.org/) if you are interested in putting solar …
Jeff Widmer's user avatar
  • 8,232
11 votes
6 answers
2k views

What type of regular maintenance should I be doing on my central air conditioning unit?

I have not done any maintenance on my central air conditioning system since I bought my house five years ago. Everything seems to be running fine but is there some sort of maintenance I should be doi …
Jeff Widmer's user avatar
  • 8,232
21 votes
Accepted

Humidity Levels

In the winter it is 30 to 40 percent in cold climates. During the summer, indoor humidity levels should be kept below about 65 percent to minimize the potential for mold growth and below about 50 per …
Jeff Widmer's user avatar
  • 8,232
3 votes
Accepted

Where should my furnace filter go in a Lennox G40UHX series furnace?

I have the same filter location as referenced by Steve Armstrong. There is no slot for the filter but it is just held in place over the return duct by a metal arm. Here is the opening between the re …
Jeff Widmer's user avatar
  • 8,232