Case Studies

Case study describing the performance of a small-diameter, high-velocity heat pump system compared to a conventional system in two identical new construction triplex townhouses.

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Old Greenwich CT, that scored HERS 42 without PV and HERS 20 with PV.

Case study describing the testing of a 30-home, high-performance, energy-efficient, sustainable community.

Case study describing compact buried ducts in hot-humid climate homes.

Case study describing the use of advanced controls to improve the performance of combination space-and-water-heating systems.

Case study describing homes that have a single heating plant that provides space and water heating.

Case study describing heating loads for super-insulated buildings.

Case study describing combustion safety testing as an important step in upgrading for energy efficiency.

Case study describing how researchers monitored heat output and electricity consumption of air-source heat pumps

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 long-term monitoring of mini-split ductless heat pumps.

Case study describing low-load options in heating, ventilation, and air conditioning equipment used in multifamily homes.

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