Recent Q&A

• Mooney floor

  I want to put insulation on top of a concrete floor. A layer of foam + plywood bolted to the concrete has been suggested. (By Dana I think) While that…

• Slab insulation – do I understand the code requirements?

  问题n about slab insulation. The current slab has zero insulation on each side. That was no issue until now because it always an unheated garage. The slab is just that,…

• Minisplit sizing

  When comparing specs from the same model line I noticed that the maximum BTU/h goes up as the tonnage goes up but the minimum BTU/h for heating, stays about the…

• R-values of ceiling and walls

  Zone 5a (on the border of zone 4) Existing uninsulated concrete slab. No basement. 2x4 frame. A bunch of newbie questions. http://www.homepower.com/insulation-zones Why is the insulation recommendation for an attic…