This tool recommends system design based on questions about ductwork, heating and cooling loads, and zones.

This fully customizable platform helps utility customers evaluate the suitability of heat pump systems for their homes.

This calculator estimates annual heating costs for various heating systems.

This calculator allows users to perform unlimited load calculations, with the option to purchase printable reports.

This website offers several free and purchasable load calculation tools.

This tool helps users identify eligible heat pump products, create savings plans, and find financial incentives like tax credits, rebates, and discounts. It also offers resources for income-based assistance with upgrades and connects users to local installation professionals and retailers.

This tool helps users find rebates for ENERGY STAR-certified heat pumps by searching their zip codes. It provides information on available federal, utility, and state incentives, making it easier for homeowners to access financial support for energy-efficient upgrades.

This calculator allows energy professionals—such as contractors, advisors, and analysts—to evaluate the economic and environmental effects of green home and transportation upgrades.