Case study describing a builder in Texas that met the stringent requirements of the U.S. Department of Energy's Builders Challenge on over 779 homes in 2010.
Case study describing a 1963 mid-century modern home in Las Vegas that got an energy-efficiency overhaul, improving performance from a HERS score of 123 to 44, or net-zero when the 4.8 kW of photovoltaic panels are added.
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 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 a method for evaluating safe installation and operation of combustion appliances in homes undergoing energy efficiency upgrades where indoor air is used for combustion and venting.
Case study describing the elimination of excessive humidity in the attic of a multi-floor, single-family home that was causing condensation and water damage along the roof and eaves.
Case study describing an effort to improve indoor air quality in high-performance, new construction, multifamily buildings through dedicated sources of outdoor air.
Case study describing an experiment to build and instrument unvented test roofs using air-permeable insulation in a cold climate and to analyze the moisture effects over time.
Case study describing steps for properly designing a hydronic system for setback operation, which are applicable to new construction and retrofit applications.