Case Studies

Case study describing how in 2010, Tommy Williams Homes built 36 houses that all achieved HERS scores below 60, this was achieved by partnering with an energy consulting firm and Building America.

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 William Ryan Homes and their achievement of reducing whole house source energy use by 40% and receiving HERS scores of 65 to 70 by utilizing high efficiency heat pumps with engineered duct design.

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

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

Case study describing a new building project that partnered with Habitat for Humanity.

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

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

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 high-efficient building project in St. Lucie, FL.

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

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

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

Case study describing a new construction project in Florida with a HERS score of 15.

Case study describing two new construction projects in Florida built to be net zero energy 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 hot-humid climate zone.

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

Case study describing the New American Home project.

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

Case study describing the performance of air-to-water heat pump systems in dry climates.

Case study describing how using buried and/or encapsulated ducts can reduce duct thermal losses in existing homes.

Case study describing how to decrease indoor moisture using an air conditioning unit with a dehumidifier in hot-humid climates.

Case study describing the incorporation of insulating concrete forms (ICFs) into new home design and construction.

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

Case study describing techniques used to prevent thermal bypass in new homes.

Case study describing the retrofit of a leaky air handler.

Case study describing the best practices, costs, and savings associated with balancing steam distribution systems through increased main line air venting, radiator vent replacement, and boiler control system upgrades.

Case study describing innovative technologies, construction techniques, products, and design trends in new home construction.