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HVAC (22)
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 Geothermal real-world performanceI've heard that measured performance of actual, installed geoexchange systems can be much lower than advertized COP numbers. Is anyone awar… Started by Doug HorganLatest Reply |
 Where to install the vapor barrier for a finished basement?I have an audit customer that is in the process of finishing his basement. The basement foundation walls are poured concrete. He has instal… Started by Jim KlebesLatest Reply |
 UV light in Furnace?Had our furnace and air ducts cleaned today for the first time in years; could have spun an entire dog from all the embedded hair. The ser… Started by Home Energy MagazineLatest Reply |
| Discussions | Replies | Latest Activity |
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Geothermal real-world performanceI've heard that measured performance of actual, installed geoexchange systems can be much lower than advertized COP numbers. Is anyone awar… Started by Doug Horgan |
32 |
Apr 18 Reply by Terry D. Davenport |
 New furnace causing interference with AM radio?I just wrapped up a quality assurance site inspection where I heard something unusual. The homeowner had a new furnace & central air co… Started by Nick Helmholdt |
9 |
Mar 25 Reply by Nick Helmholdt |
UV light in Furnace?Had our furnace and air ducts cleaned today for the first time in years; could have spun an entire dog from all the embedded hair. The ser… Started by Home Energy Magazine |
20 |
Feb 16 Reply by Allan Mullaly |
Where to install the vapor barrier for a finished basement?I have an audit customer that is in the process of finishing his basement. The basement foundation walls are poured concrete. He has instal… Started by Jim Klebes |
7 |
Jan 25 Reply by Ken Watts |
Dirty Sock Syndrome in high efficiency HVAC unitsI was recently told my new HE HVAC unit has the dreaded dirty sock syndrome. Never had this problem with the old unit. My research shows… Started by Ti Mougne |
10 |
Oct 11, 2012 Reply by Doug Hefernan |
Trends in space conditioning systems in high performance homes, looking for your insightCan anyone comment on the common types of heating and cooling systems installed in their region in high performance homes? More and more,… Started by Brennan Less |
4 |
Jul 1, 2012 Reply by William H Nickerson |
 Gas Furnace in an Attic: To Replace or NotI have a client with an open combustion gas furnace in their attic. They recently had the attic spray foamed at the roof and end walls (enc… Started by Patrick Michaelyan |
12 |
May 10, 2012 Reply by Bruce Navin |
 Section 403.2.2 of the 2009 IECCWe've received a lot of calls of (panicked) HVAC contractors on this new code requiring duct leakage testing. Can anyone shed some light on… Started by Tracy & Matt |
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Mar 22, 2012 Reply by Bob Blanchette |
Adding return air from a heated basement in a high radon areaWhen building my house in CT, return air ducts are not put into basements because of radon, at least along the coast where radon levels are… Started by Gary Baggett |
3 |
Feb 29, 2012 Reply by Gary Baggett |
 Hang-ups to utilizing Manual J,D & SI'm looking for some insight into why HVAC contractors don't use the ACCA process for sizing and selecting HVAC and Distribution systems. I… Started by Adam Flowers |
42 |
Feb 26, 2012 Reply by tedkidd |
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Latest Activity
Stan Kuhn replied to Patrick Michaelyan's discussion Hot Upper Stories"You note overheating on the south side (naturally.) Assuming the typical roof overhang of…"
Patrick Michaelyan replied to Patrick Michaelyan's discussion Hot Upper Stories"Thanks a lot Ed. And thanks to all who have added their two cents.
I think I know where to take…"
Ed Minch replied to Patrick Michaelyan's discussion Hot Upper Stories"We have successfully treated this same problem in perhaps 1000 of this same house in the…"
Craig Savage commented on Craig Savage's video
What is a Heat Pump Water Heater
"Hello Tom
We are working with A.O. Smith, GE and Stiebel Eltron on a Building America task to…"
Tom Delconte commented on Craig Savage's videoWhat is a Heat Pump Water Heater
"Craig: I was serious, since my propane price jumped from .98 to 1.85! according to everyone the GE…"
Ben Jacobs replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??"I think that government support for good ideas results in major benefits over the long haul.
Please…"
Craig Savage commented on Craig Savage's videoWhat is a Heat Pump Water Heater
"Hello Tom
Not sure if you are being sarcastic, but a serious answer would be that GE is selling…"
Tom Delconte commented on Craig Savage's videoWhat is a Heat Pump Water Heater
"Craig: do you have a diagram of one that will run longer than one year? They don't really seem…"
Cory Chovanec replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans"All good points brought up. My advice is not to leave the lights. When you said halogen I think…"
Jon Haehnel replied to Jose Macho's discussion Why Are Energy-Saving Home Inprovements Down??"The first 2 answers by Tom and Sean jive with my thinking and experience. Thank you Don for…"
Tom Smith replied to Patrick Michaelyan's discussion Hot Upper Stories"The most bang for your buck will come from airsealing the attic plane and sealing the…"
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