Case Studies

Study demonstrating the performance of multiple CO 2 heat pump water heaters utilized in a “swing tank” CHPWH system design in a 60-unit low-rise multifamily building in the Pacific Northwest.

Study focusing on the installation of a new commercial heat pump water heating system installed as a retrofit in a 100-unit, low-income senior housing building in Seattle, WA.

Study focusing on the installation of a custom engineered CHPWH system in the parking garage of an apartment building in Seattle, WA.

Case study describing an effort to research, design, verify, and document a heat pump water heating system for a multifamily building using the building sewage as the heat pump’s heat source.