Library

2009 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

Performance rating standards for unitary air-conditioners and unitary air-source heat pumps, including definitions, classifications, testing, rating, and operating requirements, as well as minimum data requirements for published ratings and markings.

Web page describing essential guidelines and recommendations for optimal installation of ductless heat pumps in cold climates, ensuring maximum heating performance and long-term satisfaction for homeowners, supported by research-backed insights and detailed resources.

Report investigating implemention of advanced power strips for entertainment and home office electronics would reduce energy consumption across the residential market.

Website reporting efficiencies for dehumidifiers, room air conditioners, and room air cleaners that are tested by independent laboratories and reported by the Association of Home Appliance Manufacturers.

This is a federal tax credit for complying air source heat pumpe. Units located in the "North" must meet ENERGY STAR's cold climate heat pump criteria.

Document providing step-by-step guidance to sizing air-source heat pumps for a cold climate.

Webpage describing the functionality and benefits of switching to Air Source Heat Pumps, as well as linking to sets of products, rebates, most efficient ASHPs, and providing consumer aid for purchasing an ASHP.

Technical report describing how the FSEC Energy Research Center explores low-cost space-conditioning upgrades for existing homes by integrating centrally located, high-efficiency ductless mini split heat pumps with older but functional central space conditioning systems, aiming to achieve energy...

Report with updated energy consumption data for 28 residential & commercial miscellaneous electric loads (MELs), including projections to 2040.

Webpage describing how to improve a variable capacity heat pump's efficiency by not programming a deep setback on the thermostat.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

AHRI-hosted directory of residential products meeting CEE's highest tier

Article describing customer tip sheet and how ceiling fans are one of the most popular and generally well regarded of all home energy efficiency features.

Part 2 of an article discussing how to maximize two-pipe steam systems for resident space heating.

Specification defining performance and reporting requirements to meet the voluntary “Cold Climate Air Source Heat Pump Specification” (ccASHP Specification) for air source heat pumps suited to heat efficiently in cold climates (IECC cz 4 and higher).

Webpage outlining how to optimize the installations and performance of mini-split heat pump systems. As well, it discusses a set of design considerations for multi-level homes, low load homes, and heat distribution to rooms without a heat source.

The Cold Climate Heat Pump Decision Tool guides contractors and installers through the decision-making process for heat pump (HP) sizing, identifying personalized CCHP recommendations, and applicable tax credits, with a focus on retrofits in cold climates.

List of commercial heat pump water heater systems that comply with NEEA's Advanced Water Heating Specification.

List of multifamily commercial heat pump water heater products that meet the NEEA Advanced Water Heating Specification Requirements.

Webpage with instructions for heat pump installers to choose the most suitable type of heat pump system, according to a project’s specific requirements.

Document for contractors detailing how to prioritize, control, and configure heat pumps in a residence that uses two heating systems.

Document for customers describing the benefits of two-system controls for homes, including information answering how, when, why, and how two-system controls with multiple heating sources are employed.

Standard covering requirements for the assembly, installation, maintenance, and operation of controls and safety devices on automatically operated boilers directly fired with gas, oil, gas-oil, or electricity, having fuel input ratings under 12,500,000 Btu/hr.

Technical report describing algorithms that use communicating thermostat heating data and that were developed to optimize customer adoption of energy conservation measures, enhancing the identification of retrofit opportunities, estimating post-retrofit energy savings, and enabling home-specific...

The main principle of smart ventilation used in this study is to shift ventilation from time periods with large indoor-outdoor temperature differences, to periods where these differences are smaller, and their energy impacts are expected to be less.

Online database with efficiency information about residential HVAC systems and commercial refrigeration equipment.

Fact sheet describing drip irrigation for landscaping.

Website for finding policies and incentives by state for renewables and efficiency.

Webpage describing the successes and ongoing efforts of the Northwest Energy Efficiency Alliance's Go Ductless ductless heat pump program which successfully encouraged the installation of more than 150,000 minisplit heat pumps in the Northwest between 2010 and 2021.

Free online tool for sizing central heat pump water heater systems.

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

Report describing an investigation into multiple occupancy-based ventilation control strategies and the associated energy savings.

Website describing analyses for products and standards affecting home heating, cooling, and appliances, in regards to technical, economical, and energy efficiency pathways.

Website with consumer information about residential heat pump systems.

Article by Energy Saver on how to save energy with your thermostat.

Online reference containing general information about geothermal heat pumps.

Website providing consumer information about ceiling fans, including specifications and buying guidance.

Searchable list of heat pumps that meet ENERGY STAR criteria.

Webpage recognizing the most efficient products among those that are ENERGY STAR certified.

Program criteria for central air conditioner and heat pump equipment.

Informational guide describing the benefits, functionality, and cost savings of ENERGY STAR® certified heat pump water heaters, addressing common misconceptions and highlighting incentives.

Factsheet describing mini split heat pumps and their benefits for consumers.

DOE-sponsored report describing the experimental setup and results of field studies on using interior cellular shading attachments to reduce solar heat gain in summer and reduce heat loss in winter.

DOE-sponsored report describing the experimental setup and results of field studies on using exterior fabric shading attachments to reduce solar heat gain, reduce glare, and improve comfort.

Technical report presenting the results of an evaluation of homes using high-efficiency mini-split heat pumps to supplement the primary heating and cooling systems.

Article describing a study of the potential to use heat pumps to heat and cool homes across the United States, including cold climate locations like Alaska.

Study characterizing how foundation heat exchangers (FHXs) used in residential ground source heat pump systems represent a potential cost savings due to their lesser first cost over other types of heat exchangers.

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...