Recent Q&A

• Using a programmable thermostat with a heat pump

  We live in NC and have a heat pump for our heating/cooling. I can't seem to find a clear answer on whether or not using my programmable thermostat will save…

• XPS below rafters in cathedral ceiling zone 4

  We are finishing off some attic space (most over a garage, some over main part of house) for very occasional use as a guest bedroom, kid's playroom. Total sq ft…

• Vent space when using polyiso

  My rafters are 2 x 8, I don't want to use spray foam, and I can't get a high enough R value using cellulose or fiberglass without furring out the…

• Thermal envelope (Zone 4A)

  We are finishing off a room in the attic, above an unheated 2 car garage. The room has 5 ft knee walls and a cathedral ceiling. There are no HVAC…

• Best way to insulate a bonus room over the garage?

  We live in a 7 year old ranch house near Raleigh, NC. There is a 350 sq ft unfinished room over the 2 car garage and an adjacent large unfinished…