"If the sheathing is being removed, then installing a layer of rigid foam under new sheathing is appropriate. There should be a non condensing insulation layer adjacent to the "roof" sheathing. In the DC climate zone this is…"
"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…"
"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.…"
"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…"
Jun 28, 2012
David Berg just added their location. (via Member Map)
"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…"
Larry Janesky, owner and founder of Dr. Energy Saver is once again On the Job insulating and finishing a basement in the northeast – and introducing a brand new insulation product: ThermalDry Insulated Floor Decking.
ThermalDry Floor Decking was…
Rebroadcast from On April 30, 2013 Sharon Miller and Robin Utz of the U.S. Department of Education conducted a one hour webinar for HVACR educators to provide them firsthand information from Washington.
* A blueprint to revise…