This directory includes resources, such as videos, calculation tools, guides, case studies, and more.

This database offers a detailed list of ENERGY STAR certified heat pumps, encompassing both ducted and ductless units. Users can filter or search the listings to find pertinent information on ENERGY STAR certification. 

The CEE Directory is a comprehensive resource listing energy-efficient residential and small commercial equipment, including central air conditioners, heat pumps, gas water heaters, furnaces, and boilers certified through AHRI. 

This website provides a comprehensive collection of resources related to the TECH Clean California initiative, including articles, case studies, flyers, graphics, reports, training materials, videos, and technical guidelines.

This database contains specifications for cold climate designations across various system types, along with an accompanying product list.