George W. Reynolds's Page

"One thing that I believe could become an issue is that the tighter the house, the quicker it will become toxic without electricity. The problem goes beyond mold. It is aerosols from high velocity efficient toilets, active radon mitigation…"

"Do the manufactures of ERV's certify that only moisture (H2O distilled grade) will transfer into the fresh air side and that water soluble toxins and aerosols remain in the exhaust stream?"

"I also work with Habitat and like yours, our houses have oversized units because of the extreme tightness, high UA numbers and limitations on ASHP systems.  We use a cycle timer and motorized damper for supply air ventilation. We…"

"From the sidelines, this is a draw. Your both right, if you live in Florida. North of the dehumidifier line, it's all about heat. Here in the mountains  we don't need AC and contractors will tell you that the most cost effective…"

"I have been using an ultrasonic detector check for CFL's during HERS rating and am surprised by the high 20+ kHz output of CFL's in reflecting cans. I wonder if anybody has studied the sonochemical effects on the body since it has the…"

"With very little cure time you are sure to get a lot of deltaT. I would also recommend covering the lens/camera with a thin plastic bag to avoid the isocynate aerosols. Use a smoke pencil to confirm that areas of cold contrast are infiltration."

"If all zones from a single HP system are on the same floor level or above grade walls, it would probably be OK in Atlanta. However, conditioned basements are best left on a separate system that can handle lots of moisture. Attic rooms with insulated…"