"looking at the information provided:
1 - is the system a multistage unit to better match load as well as zoning demands.
2 - is the heating capacity properly matched to to home demand - does the backup heat run?
3 - is the cooling capacity too large…"
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David Berg
- North Wales, PA
- United States
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David Berg replied to Mike Kandel's discussion BPI's October Stump the Chump! in the group Building Performance Institute (BPI)David Berg joined Leslie McDowell, BPI's group
Building Performance Institute (BPI)
BPI is the nation's premier standards development, quality assurance and credentialing organization for residential energy efficiency retrofit work.See More
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity"Good question. According to the technical documents the humidistat can be wired in and call for cooling operation with the the blower operation profile that is setup on the dip switches.
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David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity"This unit is a TRANE UY120R9V5V gas furnace installed with a 5 ton Trane coil and 4 ton Trane compressor."
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity"My home also has variable speed blower and a special blower setting to maximize system performance and moisture extraction. I have attached an extraction from the air handler documentation showing how the blower operation can be moderated.…"
David Berg replied to Bob Blanchette's discussion Cooling blower off delay vs. Humidity"Some manufacturers have a ramp down and in some cases a ramp up fan behavior (variable speed blowers) that run at lower speeds for a few minutes at the end and beginning of the cooling cycle to extract more moisture from the air stream. This…"
David Berg commented on Ed Voytovich's blog post NOx NOx "Who's There?""In my Testo 327-2 analyzer, there is a NO filter that removes the NO before the CO sensor. It is one of the maintenance items that has to be replaced when the absorbing chemical is consumed. Are you concerned about the CO readings or the…"
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- BPI, RESNET
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- http://www.dsbenergy.com
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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…"
John Rising replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans"Hi Bachi,
We have done many projects where we have installed boxes around recessed lights to…"
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