"Eric It is doubtful that the fan motor is using more energy, the electrical use of PSC motors is nearly constant regardless of speed. What climate are you referring to? If it is a wet climate, then you need the latent removal and should…"
"Proctor Engineering has done many studies on Manual J vs. true load. The short answer is the sensible load is actually 2/3 of the Manual J 7 (note 7) estimated sensible load and Manual J8 calculates an even higher sensible load. The latent load…"
"Well well. I am not Michael Blasnik, but I do know that when statistical analysis results do not correspond to the physical world, then it is time to relook at the analysis.
It would be crazy to say all the energy saved in California was due to…"
"Yikes -- Folks help me out. I am confused. As I recall, the target superheat for a fixed metering device (orifice/non-TXV) is dependent on the return plenum wet bulb (at the plenum, not in the house because what the air conditioner sees is what is…"
"Hopefully Bob was saying the refrigerant was recovered not: "all gone" into the atmosphere.
If you have a R22 unit any replacements will have to be R22 equipment. If you are replacing everything you will be putting in R-410A and the…"
"Aaren Assuming you are talking about a new condensing unit for an AC there are a few of good answers.
1) Yes if the old indoor coil is from a low efficiency unit and was designed for the same size unit as the new outdoor unit. That is the…"
"We found with the ducts on the floor of the attic, with smaller ACs, with shorter runs, with the ducts buried in lots of insulation, in hot dry climates, that there is almost no penalty for having the ducts in the attic and it is a lot easier…"
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A presentation by Greg Labbé in April 2014 on retrofitting vintage home for energy efficiency. He talked about basic building science, brick houses, movement of heat energy and moisture in and out of the house, air barrier and water barrier, house…