Library

Document with evaluation of 14 heat pump water heaters (including three recently released HPWH products) installed in existing homes in the northeast region of the United States.

Document providing information and guidance about rehabilitating, retrofitting, and replacing wood window assemblies in residential construction.

Research study outlining results of monitoring a low temperature heat pump.

Technical article presenting the results of an analysis on the effect of insect screens on window solar heat gain coefficients and U-values.

This report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

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.

Database from the National Fenestration Rating Council providing a directory of NFRC-certified window products searchable by manufacturer, product type, CPD number, or various NFRC label specifications.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

An article about double-hung windows.

Standard providing a procedure for determining fenestration attachment product U-factors.

Standard for determining fenestration attachment product SHGC and visible transmittance.

Database of NFRC rated windows.

Newsletter providing news and information to members of the New Jersey National Guard.

Standard/specification establishing requirements for fenestration products to be referenced by model codes.

Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.

Technical report describing research aimed to provide window manufacturers with foundational guidance for installing windows in walls with continuous insulation (CI), addressing critical aspects such as evaluating common installation methods, establishing acceptance criteria for window performance...

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.

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

Recovery Advisory document provide guidance related to the use and installation of opening protection systems to protect glazed openings (windows) from wind-borne debris during high-wind events.

Technical fact sheet describing the selection and installation of storm shutters and impact-resistant glazing and other types of opening protection in windborne debris regions; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

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

Fact sheet describing best practices in installing leak-free refrigerant systems, including specifics on creating flare joints and brazed joints, pressure testing, vacuum testing, and charging the system with refrigerant.

Report researching cost- effective solution packages for significant energy efficiency and indoor air quality improvements masonry multifamily urban buildings.

Report describing information from DOE about rules and standards for residential air conditioners and heat pumps.

Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

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.

DOE report characterizing the installed base of windows and window coverings, and how users operate window coverings in order to enable precise quantification of energy savings.

Homepage for ENERGY STAR’s windows, skylights, and doors program providing information for consumers and links to product directories.

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

Research study about a high performance retrofit of an existing brick building (a former convent) into condominiums, all affordable housing.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

Information sheet about window retrofit strategies for hot-dry climates.

Article explaining the energy cost reduction and other benefits associated with installing a heat pump clothes dryer

Article outlining the key issues related to the protection of the building envelope against seismic forces.

Step-by-step guide demonstrating replacement window selection process.

Technical study exploring the impact of different installation faults on heat pump performance in a single-family house.

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

Fact sheet describing building envelope performance measures applicable to residential and small commercial construction.

Webpage describing the STEP campaign encouraging the use of smart diagnostic tools to reduce installation faults.

Website providing consumers with resources to find, select and install heat pump water heaters.

Standard covering the installation of fenestration products in new and existing construction, which was published in the year 2019, and is available for preview and purchase at the referenced link.

Standard covering the installation of fenestration products in new and existing construction which was published in the year 2007, and is available for preview and purchase at the referenced link.

Guide describing the installation of windows in walls that have foam plastic insulating; guide provides several methods for attaching, supporting, and flashing windows in walls with rigid foam sheathing. (Note: The link only goes to the table of contents for the guide, the full guide can be...

ENERGY STAR webpage describing the benefits of storm windows and a link to a product list.

Webpage providing an ENERGY STAR climate zone map and criteria for ENERGY STAR storm windows per climate zone.

Report providing information based on research and case studies, to remodelers and consumers about opportunities to increase home energy performance.

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.