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.

Website providing research, efficiency and safety standards development, and advocacy to the home appliance industry to bring efficient, high-performing home appliances to consumers.

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...

Webpage that gives an introduction to PSC motors and their operation.

FSEC article looking into the percieved effectiveness of ceiling fans.

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

ENRGY STAR webpage discussing the basics of certified ceiling fans.

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.

Website that describes two ceiling fan types and their respective ENERGY STAR eligible product types.

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.

Article describing the use of whole-house fans to provide cooling in the region surrounding Sacramento, CA.

DOE Energy Saver webpage summarizing the use of whole-house fans for cooling.

Report providing recommendations to builders regarding how to reduce cooling loads, use air-circulation fans, natural ventilation, window and building design for natural ventilation, and whole-house fans.

Article from Green Building Advisor on strategies to take when building homes to reduce the need for air conditioning, including insulation, windows, site selection, and roofing.

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

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.

Bulletin describing the components of ECM motors and comparing their efficiency with PSC motors.

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.

A report describing six mechanical ventilation strategies that were evaluated for their ability to control indoor humidity levels over 14-day periods with simulated occupancy.

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.

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.

Factsheet describing the benefits of purchasing and installing ENERGY STAR rated fans and ventilation products.

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.

Program criteria for residential exhaust fans used for ventilation.

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.

Report detailing the effects of replacing PSC motors with more efficient, variable-speed motors.

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.

DOE webpage that gives and overview of fans for cooling.

FSEC PDF guide on effective fan types and placement in the Southeast.