Recent Q&A

• Hot water heat with geothermal heat pump

  Hello,I am in Grand Rapids, MI and just finished building (several months ago) a pretty well insulated large home of 4300 square feet and HERS index 43. We have 5…

• Panned ducts

  你好,我是看ing to have a LEED certified home and was moving along nicely until unfortunately due to a lack of proper communication my HVAC company put in panned ducts…

• Second layer of housewrap

  I have a 2x6 Wall with sheathing then tyvek, then 2 inches mineral wool, then 1x4 strapping/furring strips. My builder put a second layer of tyvek on top of the…

• Exterior insulation

  We have started building our home and have 2 inches of exterior Rockwool going on in a week or so. It seems from what I read innies are the best…

• Help with HVAC for a green home in Grand Rapids, MI

  Hello, I had a question regarding use of geothermal heating and cooling about for a green home I am getting ready to build in Grand Rapids, Michigan. First, my home…

• Wall design

  Hello, I am building a home in Grand Rapids, MI and wanted to clarify whether my wall design sounds reasonable. We plan on doing from in to out: gypsum/drywall, blown…