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.

Article describing utility rates, net metering policies, installation costs, financial incentives, and other info for both consumers who are interested in installing renewable energy systems and for energy justice and clean energy advocates.

Guide developed to help contractors, building operators, and city officials successfully adopt cool roof and pavement technology.

Website article describing the advantages and disadvantages of AC and DC battery energy storage systems and inverters for solar power systems.

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

Webpage from Suntegrity Solar describing different backup power generator options to prepare for future power outages.

Website providing comparison charts and reviews of battery energy storage systems for solar power systems.

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.

Website with consumer and contractor information about building codes and regulations for solar water heating systems.

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

Webpage providing information on how window shading can reduce heat gain in summer and heat loss in winter.

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.

Study investigating measured cooling energy performance in side-by-side identical homes with varying roof types, including cool roof technologies.

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.

ENERGY STAR webpage discussing the costs and benefits of cool roofs.

Web page providing information on the types of cool roofs and their benefits to consumers.

Tool developed by LBNL to calculate potential savings from increasing wall and roof solar reflectance.

Study reporting the results of comparative testing of the effect of finished and unfinished metal roofing systems on cooling energy performance in a test facility.

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

A research paper exploring the installation and mounting of solar photovoltaic (PV) panels on rooftops and the challenges faced by system designers and installers.

Website for the U.S. DOE Solar Decathlon competition.

Simple web-based tool allowing homeowners to calculate the potential savings from installing a cool roof.

A PDF containing the SERC Solar PV System Field-Inspection Checklist.

Checklist describing solar water heating recommendations per the DOE Zero Energy Ready Home program.

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.

Study presenting generalized results regarding the effect of surface orientation on annual incident solar radiation for locations in the United States.

Article describing a case study in which a whole-house battery and PV system was tested in a home with cooling and refrigeration during a hurricane in Florida.

Website with consumer information about residential heat pump systems.

Online reference containing general information about geothermal heat pumps.

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.

Document talking about the topic Energy-Efficient Florida Home Building.

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.