Library

Study in which a central heat pump water heater system was monitored in detail and used to create a model for assessing similar systems in various climates.

Guide providing information on controlling attic ductwork sweating.

A document providing guidance on integrating a PV array with a roof system.

Study examining how design features, such as building envelope openings and compartmentalization, affect the wind pressure in typical low-rise buildings with gable and hip roofs.

Report providing information to researchers, utility program managers, and building owners interested in controlling heating energy waste and improving resident comfort.

Report covering wind loading on roofing assemblies.

Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined loads.

Report describing the key findings from the first third-party field validation of 120-volt heat pump water heater (HPWH) technology, addressing the significant barriers to their adoption and emphasizing their potential role in reducing carbon emissions from residential water heating.

Report describing a laboratory assessment on the performance of Rheem 120-volt heat pump water heaters (HPWH), aimed at identifying optimal installation locations for these new "plug-in" models based on comprehensive testing under various conditions.

Large scale simulation study investigating the effects of cool roofs and walls on buildings of various vintages across the U.S., with special attention given to California.

Website providing guidance on how to reduce the risk of damage to a home from hail.

Webpage providing guidance for homeowners on how much snow weight a typical roof can handle and when to consider removing snow from the roof.

Article describing how ice dams form on residential roofs, how they damage homes, and solutions to prevent future dams.

Fact sheet from Wisconsin Focus on Energy explaining how to prevent future ice dams on homes by learning about their formation and mitigation of contributing factors.

Case study describing 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.

List of recommendations from IBHS on how to protect homes from ice dam formation.

Website providing an online calculator for determining energy and cost savings from installing radiant barriers in attics.

Fact sheet describing analysis of potential heating and cooling savings from radiant barriers in attics.

U.S. Department of Energy's website describing radiant barriers in homes.

Website with answers to some of the most commonly asked questions about attic radiant barriers.

Report covering the performance of residential buildings during three hurricanes impacting Florida in 2004.

Information sheet with the definition and uses for a raised truss.

Searchable database of over 3,000 roofing products that have undergone solar reflectance and thermal emittance testing.

Fact sheet describing conditions for wildfire, how a home catches fire, how to create a survivable space, the ideal fire resistant home.

Webpage explaining how to mitigate heat loss through roofs for ice dam prevention.

Research project aimed to verify whether homes in the New Jersey HPwES program achieved 30% source energy savings, and if so, what measures were implemented to achieve them.

A report presenting alternative approaches for reducing the costs of roof-mounted, grid-connected photovoltaic (PV) systems.

An EPA guide describing the causes and impacts of summertime urban heat islands, promoting strategies for lowering temperatures in U.S. communities.

Article describing moisture and ice dam issues in attics and how to air seal the attic floor.

Webpage from FEMA describing how to properly reconstruct masonry fireplace chimneys damages by earthquakes.

Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

Website with information and research about residential hot water distribution systems.

Brochure with information on residential solar hot water systems.

Report providing architects, designers, and homeowners with information to make house plans useful for constructing a more wind resilient structure.

Fact sheet describing how to install bracing to retrofit roof dormers for increased wind resistance.

A retrofit sheet providing information on elevating and securing water heaters to protect against damage during a flood.

Factsheet providing homeowners with an overview of approaches for flashing and sealing roof penetrations to help discussion with a roofing contractor.

Fact sheet describing flashing of roof penetrations to make a home more resistant to high winds, hurricanes, and rainwater intrusion.

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

Information sheet describing tankless hot water heating systems in existing homes.

Document discussing changes in testing the annual performance ratings for solar water heaters.

Report covering non-combustible continuous exterior insulation and non-combustible roof venting.

Fact sheet describing proper roof sheathing installation and illustrating fastening methods that will enhance the durability of a building in high-wind areas; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Fact sheet describing recommended practices for the use of roofing underlayment as an enhanced secondary water barrier in coastal environments and optional installation methods; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

Fact sheet describing the importance of proper roof and deck flashing, and typical and enhanced flashing techniques for coastal homes; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Webpage discussing the characteristics of sunlight and how cool roofs work to reduce solar heat gain.

A fact sheet providing homeowners with guidance on properly securing water heaters to prevent them from tipping in an earthquake.

Report comparing the performance of seven differing types of residential water heating systems in a side-by-side test configuration over a full year period.

Document about testing of seven water heating systems in the Hot Water Systems laboratory in central Florida.