Library

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

Presentation about results from an insulating concrete form energy efficiency study in Knoxville, TN.

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.

Information sheet briefly summarizing double stud wall construction including the advantages and disadvantages of this construction strategy.

Information sheet briefly summarizing double stud with spray foam wall construction including the advantages and disadvantages of this construction strategy.

Information sheet that summarizes Insulated Concrete Form (ICF) construction including advantages and disadvantages of this construction strategy.

Information sheet briefly summarizing truss wall construction including the advantages and disadvantages of this construction strategy.

Report exploring feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25% source energy savings.

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.

Report about the Advanced Envelope Research effort will provide factory homebuilders with urgently-needed, cost effective methods for meeting emerging energy code requirements.

Report about an expert meeting focused on issues surrounding cladding attachment and performance of walls with exterior insulating sheathing.

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 about interior insulation retrofit of mass masonry wall assemblies held on July 30, 2011.

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

Report that demonstrates the durability, constructability, and cost-effectiveness of the extended plate and beam (EP&B) wall system for new construction housing projects in compliance with the International Energy Conservation Code, addressing moisture risk management and high-performance envelope...

Report on high-R wall design called extended plate and beam that uses foam sheathing insulation with wall framing.

Fact sheet describing the Extended Plate Wall (EPW) a system that incorporates a 2-inch layer of foam plastic insulative sheathing within the framing for top and bottom plates, streamlining air sealing, window and door installation, weather resistive barrier application, and cladding attachment for...

The New York State Energy Research and Development Authority (NYSERDA) is interested in finding cost-effective solutions for deep energy retrofits (DERs) related to exterior wall insulation in a cold climate, with targets of 50% peak load reduction and 50% space conditioning energy savings.

Research study developing baseline engineering analysis to support the installation of thick layers of exterior insulation (2 in. to 8 in.) on existing masonry walls and wood framed walls.

Webpage from LSU AgCenter answering frequently asked questions after gutting a flooded home, including mitigation strategies for future floods.

Information sheet about what length screws should be used, and how closely to space the screws when fastening furring strips to a foam-sheathed wall.

An example of a commercially available thermally expansive fire stopping product for controlling the spread of fires in a rainscreen cavity.

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

Article explaining what a continuous load path is and the key connection points that make it up.

Research study evaluating the dynamic heat transmission characteristics through two identical Insulating Concrete Form (ICF) wall assemblies in Ottawa, Canada.

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...

A guide for designers, architects, engineers, and fire experts on how to design rainscreen and ventilated cavities such that they don’t contribute to the spread of a fire.

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

Article discussing flow-through assemblies of walls.

Journal article describing lessons learned from updating a 16-year-old deep-energy retrofit.

Information sheet with manufacturer specifications about insulated concrete forms.

Report about development of effective strategies to reduce the overall building energy use in line with Building America goals in this modestly priced market rate project.

Standard that applies to storage water heaters, instantaneous water heaters, and circulating water heaters including booster water heaters; the current version of this standard was published in the year 2019 and it is available for purchase along with a digital preview on the ANSI webstore page.

Brochure on specifications for solar thermal systems.

Report describing the cost-effectiveness and performance of all-electric, zero net energy multifamily buildings in California, detailing technical challenges and providing recommendations for design, construction, codes, standards, and operations to support future projects.

Guide providing information on using exterior foam insulating sheathing in building wall assemblies to enhance thermal performance.

A article about the best practice method of installing fiber cement siding, to install flashing at the butt joints of the siding boards, rather than face caulking the butt joints afterwards.

Document providing supplemental information for code enforcement professionals about header hangers in bearing walls.

LBNL webpage introducing heat island effect and cool materials concepts, and providing links to LBNL pages explaining cool pavements, cool roofs, and cool walls.

Informational guide describing the design, installation, and maintenance best practices and technical considerations for integrated Heat Pump Water Heaters in single-family and multifamily new construction.

Report describing the advantages and best practices for installing heat pump water heaters (HPWH), highlighting their improved energy efficiency, reliability, and critical considerations such as condensate management, proper sizing, and optimal installation location to enhance performance and...

The Heat Pump Water Heater Installation Tool helps contractors, installers, and homeowners through the decision-making process for heat pump water heater (HPWH) product selection and installation, with a focus on overcoming installation barriers.

Report describing the significant potential for energy use reductions through heat pump water heaters, which have been a crucial part of Northwest power plans for decades and have recently achieved substantial savings with new integrated models and climate specifications.

Report describing the features, benefits, and best practices for the design and installation of heat pump water heaters in new low-rise multifamily buildings, highlighting their efficiency, reliability, and contribution to decarbonization goals.

Report describing a laboratory assessment that provides insights into space requirements and venting strategies for heat pump water heaters (HPWH) to enhance retrofit installations and provide actionable guidance for manufacturers, designers, engineers, installers, and owners.

Guide providing detailed selection and installation instructions for heat pump water heaters.

Provides consumers with general information on solar water heating systems and how to select a contractor.

Case study of new home construction in the hot-dry and mixed-dry climate zones.

Brochure describing advanced framing techniques.