Library

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

Federal statistics about national energy consumption in residential homes.

Catalog describing FEMA preparedness seminars from 2021 including preparedness and natural hazards topics.

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.

Webpage providing guidance on the 45L tax credit, assembling the most relevant information for Northwest builders to maximize their tax credit and build energy efficient homes.

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.

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.

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 providing information about the Title 24 building energy efficiency standards for the State of California and links to current and past standards including the 2025, 2022, 2019, and 2016 standards, etc.

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

A simple three-step guide for homeowners who are looking to replace existing light bulbs with more energy-efficient, higher-performing bulbs.

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.

Article introducing the FTC’s new EnergyGuide label, including estimates of annual energy usage.

Website for CEE, the US and Canadian consortium of natural gas and electric efficiency program administrators.

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.

A presentation describing the details of the ENERGY STAR Multifamily New Construction program requirements.

Website helping communities address coastal issues with data, tools, and training resources.

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

Website listing implementation timelines and links to various versions of the DOE Zero Energy Ready Home national program requirements.

PDF file explaining the DOE's Zero Energy Ready Home National Requirements (Rev. 04).

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.

Research project addressing low-cost options that reduce monthly energy costs and improve the quality of life by enhancing comfort levels in low-income homes.

Website describing the U.S. Environmental Protection Agency's ENERGY STAR New Homes and Apartments program with links to builder and homeowner resources.

A FAQ explaining the purpose of the Energy Independence and Security Act, a law which sets energy efficiency standards for lightbulbs.

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.

A list of clothes dryers that made the EnergyStar Most Efficient list for 2021, delivering cutting technological innovation along with energy efficiency.

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

Webpage on the ENERGY STAR website that list products that exceed the ENERGY STAR minimum criteria for their category, with links to several product categories, including windows, HVAC, home appliances, and computer monitors.

Website showing compliance timelines for various versions of the ENERGY STAR Multi-Family New Construciton program requirements with links to national program requirements documents and checklists.

Webpage with links to documents providing the program requirements and checklists for ENERGY STAR Certified Multifamily Homes, national and regional program requirements.

Program criteria for central air conditioner and heat pump equipment.

Webpage with links to documents providing the program requirements and checklists for ENERGY STAR Certified Single-Family New Homes.

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.