Case Studies

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 how researchers monitored heat output and electricity consumption of air-source heat pumps

Case study describing the performance of high-performance ducts in hot-dry and mixed-dry climates.

Case study describing field study of gas furnaces, and recommendations for installation.

Case study describing the long-term monitoring of mini-split ductless heat pumps.

Case study describing low-load options in heating, ventilation, and air conditioning equipment used in multifamily homes.

Case study describing the maximization of hydronic system efficiency in single and multifamily buildings.

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

Case study describing how to replace variable speed furnace motors.

Case study describing the benefits of replacing resistance heating systems with mini-split heat pumps in cold and mixed-humid climates.

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 the retrofit of a leaky air handler.

Case study describing ventilation selection for existing homes.

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 a Habitat for Humanity zero net energy home in Denver.

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

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