Library

Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

List of commercial heat pump water heater systems that comply with NEEA's Advanced Water Heating Specification.

List of multifamily commercial heat pump water heater products that meet the NEEA Advanced Water Heating Specification Requirements.

Study investigating measured cooling energy performance in side-by-side identical homes with varying roof types, including cool roof technologies.

Research report providing a comparison of the most common residential water heating technologies to determine energy-efficient and cost-effective water heating technologies are when subjected to a variety of typical operating conditions.

Manual assisting architects, engineers, owners and roofing contractors for designing, specifying and installing roof tiles in areas of snow and ice.

Installation manual describing proper installation practices, industry standards and the code requirements of roofing tiles.

Installation manual outlining proper installation practices, industry standards and the code requirements of roofing tiles.

Report about a hybrid condensing water heater (thermal efficiency = 0.973, energy factor = 0.95) installed in an occupied home in Sacramento, California, and monitored for one year to determine the actual in situ efficiency.

Study describing efforts and outcomes in developing color-pigmented roofing products with coatings to increase solar reflectance.

ENERGY STAR webpage discussing the costs and benefits of cool roofs.

Webpage from U.S. Department of Energy describing 'cool roofs' and their usage for passive home cooling.

Web page providing information on the types of cool roofs and their benefits to consumers.

Tool developed by LBNL to calculate potential savings from increasing wall and roof solar reflectance.

Study reporting the results of comparative testing of the effect of finished and unfinished metal roofing systems on cooling energy performance in a test facility.

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

This case study describes costs associated with the External Thermal and Moisture Management System developed by the NorthernSTAR Building America Partnership for retrofitting roofs with rigid foam over the roof deck, especially on one and a half-story homes.

Report describing the monitored long-term performance of two solar domestic water heating systems in northern climates.

Website providing information about the Cool Roof Rating Council including programs, membership, and resources for the construction industry.

Article describing strategies for reducing the risk of ice dam formation on roofs in winter.

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.

Webpage explaining what causes the formation of ice dams on roofs and steps to take to prevent them.

Article from Green Building Advisor on strategies to take when building homes to reduce the need for air conditioning, including insulation, windows, site selection, and roofing.

A guide on the use of rain barrels for greater water efficiency and use in gardens and lawns.

A research paper exploring the installation and mounting of solar photovoltaic (PV) panels on rooftops and the challenges faced by system designers and installers.

Webpage describing the benefits of installing insulation on a water heater, including descriptions of different types of tank insulation.

Webpage providing a guide for homeowners to follow when installing a water heater blanket on their electric resistance water heater.

Simple web-based tool allowing homeowners to calculate the potential savings from installing a cool roof.

A PDF containing the SERC Solar PV System Field-Inspection Checklist.

Checklist describing solar water heating recommendations per the DOE Zero Energy Ready Home program.

Factsheet describing how to secure water heaters to resist seismic activity.

Free online tool for sizing central heat pump water heater systems.

Technical report evaluating the effects of heat pump water heaters on heating and cooling energy usage in laboratory homes.

Computer simulations comparing International Journal of Advanced Structural Engineering wind pressure differences between a gable-ended roof versus a hip roof versus a pyramidal-shaped roof.

Informational guide describing the benefits, functionality, and cost savings of ENERGY STAR® certified heat pump water heaters, addressing common misconceptions and highlighting incentives.

Information sheet with details on a building enclosure designed for Albuquerque, NM, as an example for building enclosures built for hot-dry and mixed-dry climates.

Report describing the performance, cost, and carbon impacts of unitary heat pump water heaters with load-shifting controls in a shared configuration for a multi-family project, highlighting significant savings in energy usage, CO2 emissions, and utility costs.

The main objective of this expert meeting was to bring together a group of experts intimately involved with issues related to assessing the performance of residential high efficiency water heating systems.

Expert meeting describing meeting details for recommendations for applying water heaters in combination space and domestic water heating systems.

An engineering design guide for hydronic heat loops, discussing the features and advantages of condensing boilers.

Fact sheet describing how to prepare for hurricane season and mitigate damage from floods and high winds.

A recovery advisory guide presenting important recommendations to reduce wind and water infiltration damage to new and existing residential buildings.

Report of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

Report describing the in situ performance evaluation of newly released heat pump water heaters (HPWHs), highlighting their energy and cost savings potential compared to conventional electric resistance water heaters and other alternatives, based on data collected from installations in Massachusetts...

Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.

Report describing research about a test implementation of an unvented tile roof assembly in a hot-humid climate.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

A webpage discussing how water heater expansion tanks operate and how to repair them.

Study reporting the results of comparative testing of the effect of various roof types on cooling energy performance in a test facility.

Manual for proper installation practices, industry standards and the code requirements of roofing tiles for the Florida market.