Library

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.

Webpage providing maps and information to assess the particular hazards and risks for an area.

Webpage that describes health problems that can be caused by secondhand smoke.

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

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.

Guidance from EPA, FEMA, HUD, and NIH on how to deal with asbestos in homes following natural disasters.

Homeowner guidance from CDC, EPA, FEMA, HUD, and NIH on how to safely clean up mold issues following flooding from a natural disaster.

Guidance from EPA, FEMA, HUD, and NIH on homeowner safety dealing with lead contaminants.

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 describing considerations for choosing a room-level air cleaner to improve indoor air quality.

Companion document to the Indoor airPLUS Construction Specifications, providing guidance on identifying compliant products, including industry databases and examples of product labeling.

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

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.

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

Report outlining results from a 2005 hygrothermal pilot study in the South.

Book providing project management guidance in maintaining satisfactory indoor air quality (IAQ) of occupied buildings undergoing renovation or construction.

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.

Report discussing the importance of durability and energy efficiency in building construction.

Article describing ways home owners can improve ventilation in their kitchens.

Webpage describing indoor air quality.

Standard supporting indoor air quality performance by producers, purchasers and policy makers to improve the environmental performance of products and services.

Resource hub describing indoor air quality research performed by Lawrence Berkeley National Laboratory.

Website helping builders, designers, and home energy raters find products that are compliant with the EPA Indoor airPLUS Construction Specification requirements for low-emission materials.

Document outlining specifications that were developed by the U.S. Environmental Protection Agency (EPA) to recognize new homes equipped with a comprehensive set of indoor air quality (IAQ) features.

Website providing the technical specifications and related documents for home builders, subcontractors, architects, and other housing professionals interested in certifying a home to the EPA's Indoor airPLUS program requirements.

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.

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.

Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

Report describing research conducted to support California’s Title 24, Part 6 Building Energy Efficiency Standards by analyzing the impact of installation location and ventilation on heat pump water heater (HPWH) performance, emphasizing the need for proper installation to maximize efficiency...