Case Studies

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 a new home construction project in Florida.

Case study describing the family-run Treasure Homes that achieved a HERS rating of 46 without PV on its prototype “Gem” home, located on the blustery shores of Lake Michigan in northern Indiana.

Case study describing a demonstration zero net energy home project in Las Vegas, NV.

Case study describing a building project in the hot-dry and mixed-dry climate zones.

Case study describing a new construction net zero energy home.

Case study describing a new construction project in North Carolina.

Case study describing a new home builder that strives to address health, safety, and durability issues in a hot and humid climate.

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

Case study describing the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.

Case study describing a building project in the marine climate.

Case study describing a building project in the hot-dry and mixed-dry climate zones.

Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.

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

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

Case study describing new home construction in the marine climate that achieved 50% savings over the 2004 IECC.

Case study describing a new construction building project of 20 luxury homes in northern New Jersey that were more energy efficient than ENERGY STAR and met the 50% energy savings requirements of the federal tax credit for new homes.

Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

Case study describing a building project in the marine climate.

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.

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

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 the performance of heat pump water heaters compared to electric resistance water heaters.

Case study describing how heat pump water heaters can be cost-effective alternatives to traditional electric resistance water heaters.

Case study describing a six month study that monitored performance of a heat pump water heater.

Case study describing how combination space and water heating systems can be used in homes with efficient thermal enclosures, decreasing energy consumption and costs.

Case study describing lessons learned from production builders who install efficient hot water delivery systems.

Case study describing a Habitat for Humanity zero net energy home in Denver.

Case study describing a retrofit project in the cold and very-cold climate zones.