Library

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

Report describing the use of fresh air ventilation systems to eliminate the formation of icicles and ice dams along the eaves of roofs.

Guide describing the requirements by FORTIFIED Home™ for improving the home's resistance to high wind and hail.

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.

LBNL webpage providing resources and tools related to cool technologies, including the SRI calculator and the DOE Cool Roof Calculator.

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.

Best Practices document providing an introduction to current photovoltaic and solar thermal building practices.

Report containing 37 fact sheets that provide technical guidance and recommendations concerning the construction of coastal residential buildings.

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

Article describing the causes that form ice dams, as well as solutions for preventing future ice dams on roofs, focusing on air sealing to prevent hot air leakage.

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

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

Article from RMI on how climate change is leading to an increase in critical extreme heat hours and what smart building strategies can be taken to mitigate some of these effects including paint color and insulation.

Information sheet presenting the correct methods for building an insulated cathedral ceiling.

Article from Washington Post on passive cooling measures for homes during extreme heat.

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

Article from Montana State University Extension explaining how proper insulation techniques can greatly reduce the risks of ice dams on roofs in cold climate zones.

Checklist for verifying FORTIFIED levels and documentation needed.

A structural insulated panel (SIP) roof has no embedded lumber in the structure, and therefore nothing substantial for attaching PV array and solar hot water mounts. Single or double lumber splines could be put into the panels, or I-joists at 4-foot intervals could be added.

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.

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

A document aimed at reducing the vulnerability of a gable end roof to wind damage in a hurricane.

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.

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

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.

Article describing the effect metal roofs have on thermal performance in hot-humid climates.

Report describing the performance, economics, space heating impacts, and user satisfaction of heat pump water heaters (HPWHs) in the upper Midwest, based on a field study and survey of participants in the MECA HPWH incentive program.

Factsheet describing techniques for installing ductless heat pumps in cold climate locations.

Article describing the second step of a three-step process for the installation a tubular skylight, using peel-and-stick flashing tape instead of roof cement, and integrating the roof underlayment with the flashing.

Article describing how to counterflash a chimney by tucking the upper pieces of counterflashing into the chimney mortar joints and overlapping them over the various pieces of base flashing, which are nailed to the roof deck.

Article describing the insurance savings of a home with a hip roof versus a gable roof from the perspective of an insurance advisor.

Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.

Article describing how the configuration of surrounding buildings affects the wind loads on a hip roof in a low-rise building.

Report discussing how to create livable space in the attic that meets IRC code requirements by either creating a ventilated roof assembly, or and unvented attic assembly.

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