Recent Q&A

• Calculating heat loss based on drop in temperature?

  Just had an issue with the ignitor on our furnace and we were without heat for the last 24 hours or so. The experience left me wondering if there's an easy…

• How far to go for a tree house / elevated play house?

  Planning to build a ~120 sq. ft. play house roughly 10 ft. up in the air in our backyard.Would like it to be sealed up from the elements & built…

• Retrofit duct sealing (sealing on all sides)

  I've read through the Tape vs. Mastic article and have looked at various how-to guides for duct sealing, but I feel like I'm missing something. In our home, most of…

• Accidentally “built” a poor wall?

  Have read through many of the assembly techniques here in the past, including the guidelines on insulating with rigid foam to avoid condensation / moisture accumulation and filed it all…

• Keep or remove whole house fan?

  Our house in SE Michigan has both AC and a whole house fan that I know is resulting in a huge loss of heat during the winter (and likely similar…