Recent Q&A

• Rockwool insulation in air vents

  I was at a home and we discovered that rock wool batts were lining the return vents. Does this pose any concern.

• Net metering

  I was on another site and heard something. Now I dont know if it is true but I got to thinking. What I heard is that in Michigan the utilities…

• Should we buy products from China?

  ABC did a news piece on the pollution in China. I have thought of this before but it is fresh in the news. China makes cheap solar panels, but how…

• Matterhorn roofing

  http://matterhornmetalroofing.com/cool-roof-technology-matterhorn/ Click on a link at GBA for Matterhorn roofing. They claim 25% reduction in energy costs. Dont see how this can be true.

• Dirty Sock Syndrome

  I have been asked to come out and look at a home with a dirty sock smell coming from the HVAC. This is a home built in 2012. It is…

• Cathedral ceiling exterior insulation retrofit

  Climate zone 5A . I need to replace my roof and want to add exterior insulation over a cathedral ceiling. I am pretty sure there is poly in the ceiling…

• Metal building and condensation

  I got a call from a friend Friday. He was asking me about a metal commercial building that was having a problem with condensation on the underside of the roof.…

• 埋藏的新鲜空气intake

  A local TV station ran a story about a recently built energy efficient house. It was in a rural area and not on a city lot. They were short on…

• Paint durability on LP Smart Siding vs. Hardie?

  Does anyone have any experience with paint durability on LP Smart Siding -- particularly vs. Hardie?

• Window Screens

  I have windows that face southwest. They are not low E windows, I like the warmth they provide in the winter but detest the heat gain in the summer. Is…