Case Studies

Case study describing a building project in the mixed-humid climate zone.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning affordable home in the mixed-humid climate that used 2x4 studs 24" o.c. staggered on 2x6 plates XPS wrapped walls, 20-inch R-60 blown cellulose vented attic, triple-pane windows to achieve a HERS score of...

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 46 without PV.

Case study describing a heating system retrofit in an existing apartment building complex which included advanced boiler controls and reduced heating gas consumption by about 20%.

Case study describing steps for properly designing a hydronic system for setback operation, which are applicable to new construction and retrofit applications.

Case study describing the benefits of replacing resistance heating systems with mini-split heat pumps in cold and mixed-humid climates.