Case Studies

Case study describing the retrofit of a hybrid gas water heater that combines a reduced capacity tankless unit with a downsized storage tank.

Case study describing the installation four high-efficiency natural gas water heaters n single-family homes and their savings potential, installed efficiencies, and abilities to meet household demands.

Case study describing a DOE Building America Top Innovation on the Building America Solution Center, a website developed by Pacific Northwest National Laboratory for the U.S. Department of Energy Building America program to provide quick access to information on how to build and renovate homes to be...

Case study describing a 2013 DOE Building America Top Innovation for the installation of rigid foam insulation on the exterior of home roofs and walls as a thermal, air, and moisture barrier.

Case study describing a 2013 DOE Building America Top Innovation about best practices for high-efficiency window air conditioning units.

Case study describing a DOE Building America Top Innovation about the use of high-performance furnace blowers for heating and cooling.

Case study describing a 2013 DOE Building America Top Innovation profile on Home Performance XML, a data transfer standard that communicates between home performance programs and analysis software.

Case study describing a DOE Building America Top Innovation about advanced framing techniques for high-performance home construction.

Case study describing a DOE Building America Top Innovation on quality management tools for builders, trades, and designers to help eliminate mistakes that would require high-cost rework.

Case study describing a 2013 DOE Building America Top Innovation on upgrading or replacing windows in existing homes, based on research by Building America research partner Building Science Corporation.

Case study describing a 2013 DOE Building America Top Innovation about construction of net-zero energy ready homes, by several builders working with various DOE Building America research partners including Steven Winter Associates, Building Science Corporation, Home Innovation Research Labs, IBACOS...

Case study describing a DOE Building America 2014 Top Innovation on research that was instrumental in developing and gaining adoption of the ASHRAE 62.2 ventilation standard.

Case study describing a 2014 DOE Building America Top Innovation about research on high MERV filters used in HVAC systems conducted by Building America research partner Davis Energy Group.

Case study describing a 2014 DOE Building America Top Innovation on development of a standardized testing method for testing the air leakage of HVAC air handlers and furnace cabinets developed by Lawrence Berkeley National Laboratory.

Case study describing the construction of prototype zero energy ready high-performance manufactured homes in the Pacific Northwest.

Case study describing the origin and operations of a large HVAC company specializing in whole-house energy efficiency that upgrades 400 homes per year.

Case study describing a panelized construction method for stud walls with continuous rigid foam insulation.

Case study describing research about spray foam roof insulation and moisture management.

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 research about using exterior, vapor permeable insulation of retrofit walls with vapor permeable cavity insulation.

Case study describing the measurement of envelope leakage in multifamily buildings.

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 ventilation selection for existing homes.