Case Studies

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 44 without PV and an ERI of 2 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 37 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 54 without PV and an ERI of -24 with PV.

Case study describing a multifamily deep energy retrofit project in Annapolis, Maryland.

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

Case study describing a multifamily, affordable housing retrofit project that achieved 44% energy savings using readily available, cost effective measures.

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 a building project in the mixed-humid climate zone.

Case study describing a new home construction project in the mixed-humid climate.

Case study describing production home builder Urbane homes and how they managed to thrive by teaming up with the Building America program to create affordable and energy efficient homes.

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

Case study describing a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.

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

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

Case study describing a builder in Georgia that designs energy-efficient homes for a green community, yielding homes with HERS scores as lowas 59 and electric bills as low as $50 a month.

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

Case study describing the growth of a Decatur-based home performance company, that started as an off shoot of a design-build firm and has since increased their number of projects by 53% in 2 years.

Case study describing the growth of a Manassas-based home performance company that increased their annual number of projects from 13 to 79 between 2007 and 2012.

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 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 exhaust ventilation and corresponding outdoor air intake strategies implemented in high-performance new-construction multifamily buildings.

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.