Library

Report describing the ground-source IHP (GS-IHP) design and includes the lessons learned and best practices revealed by the research and development (R&D) effort throughout.

Factsheet describing the uses and benefits of ground-source heat pumps for affordable housing, assisted living, dorms and hotels.

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

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

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

Guide by the Northeast Energy Efficiency Partnerships on how to size heat pumps in a cold climate.

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.

A ENERGY STAR guide on efficient heating, ventilation and cooling systems in residential homes.

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

Report describing the various heat pump retrofit options for multifamily buildings in the U.S., segmented by building typology and heating system, to support better environmental, economic, and health outcomes.

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...

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.

Presentation about heat pump water heater modeling using EnergyPlus.

Article discussing the advantages of using heat pumps and/or hydronic forced air heat instead of furnaces in high-performance homes.

Webpage providing basic information on various types of heat pumps and their applications in Massachusetts.

Blog post about heat pump clothes dryers.

Report providing information for HVAC designers, installers, and consumers about air source heat pumps.

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

Brochure describing advanced framing techniques.

Article from NREL on wall construction guidelines for homes in hot climate zones.

Report that considers a number of promising wall systems that can meet the requirement for better thermal control.

Report providing testing methodology to evaluate structural rim header designs over openings up to 6 ft. wide and applicable to one- and two-story homes.

Report with test results that serve as a baseline of data for further material tests of other high-R wall systems and for comparison to whole-house wind pressure testing.

Research study presenting results of an existing home monitoring project designed to measure wall cavity moisture characteristics.

Report covering control of hydrostatic pressure in wall assemblies.

Report providing a collection of fact sheets describing guidance for constructing homes in wildfire zones.

Guide describing how to choose energy-efficient water heaters, including heat pump models, with tips on installation, rebates, and incentives for maximizing energy savings.

A starting point for ballparking and comparing the cost of different siding materials and a brief overview of the pros and cons of different siding materials.

ENERGY STAR webpage describing how a heat pump water heater works.

Factsheet describing how to partially install a heat pump in a manufactured home in the manufactured home factory.

Checklist for verifying FORTIFIED levels and documentation needed.

Report describing ways to retrofit a home to make it more resistant to earthquakes.

Report describing the identification of barriers and proposed practical solutions for the design, installation, and market adoption of heat pump water heaters in new low-rise multifamily housing, focusing on studio and one-bedroom units.

Factsheet outlining the advantages of using heat pumps, which are an efficient way to heat and cool a home.

Guide discussing observations, recommendations, and technical guidance as a result of Hurricane Katrina

Code describing the requirements for existing site-built single-family homes to receive roof-to-wall retrofits when re-roofing.

Report describing the hurricane retrofit guide with focus on walls and wooded framed walls.

Webpage providing curriculum with links to presentations and problem sets for teaching an understanding of sizing cold climate heat pumps.

Report detailing the design and construction of 10 new houses under the Wyandotte Neighborhood Stabilization Program 2.

Report exploring four questions to determine the level of risk associated with adding drained exterior insulation to the exterior of an existing home during an energy retrofit.

ICC-ES Evaluation Report reviewing proprietary steel shear wall panels developed by Simpson Strong-Tie Company to resist vertical and lateral loads in walls resulting from wind or earthquakes.

Journal article detailing laboratory and simulation studies quantifying the impact that heat pump and air conditioner installation faults have on system capacity and efficiency.

An impact test report from projectile missile tests against brick veneer, verifying that brick veneers perform well to resisting hurricane force wind driven debris.

Report presenting improved air conditioner (AC) and heat pump (HP) modeling methods in the context of whole-building simulation tools.

Presentation on Improving Air-Conditioner and Heat Pump Modeling.