American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver clean natural gas throughout the United States of America (USA).

Breakthrough Energy is dedicated to helping humanity avoid a climate disaster. Through investment vehicles, philanthropic programs, policy advocacy, and other activities, they’re committed to scaling the technologies they need to reach net-zero emissions by 2050.

California Energy Commission (CEC) is the primary energy policy and planning agency, committed to reducing energy costs and environmental impacts of energy use - such as greenhouse gas emissions - while ensuring a safe, resilient, and reliable supply of energy. Established in 1974, the Energy Commission has seven core responsibilities.

The Energy Coordinating Agency (ECA), a non-profit, is a regional pioneer in the delivery of energy efficiency services for residential stock. Since its founding in 1984, ECA has helped to improve the energy profile of over 45,000 buildings. ECA administers energy efficiency programs for utilities and government, including the Home Comfort program, the Weatherization Assistance Program program, and the LIHEAP CRISIS program.

Federal Association for Combined Heat and Power aims to increase the efficiency of energy conversion in order to conserve resources and reduce emissions that are harmful to the environment and the climate. The association strives for the broadest possible social alliance, which should also be reflected in the membership and the composition of the board.

hybridGEOTABS EU is an active group of developers, engineers & academics with a common interest in optimizing coupled geothermal heat pumps (GEO-HP) and thermally activated building systems (TABS), alongside secondary heating & cooling systems. TABS use pipes, embedded in concrete floors, ceilings and walls, through which warm/cold water is pumped to heat/cool a building’s thermal mass.

Industrial Combustion is a manufacturer of burners designed for commercial, industrial, and institutional applications. Their burners are developed to deliver an impressive return on investment.

Institute of Domestic Heating & Environmental Engineers is the pre-eminent professional body for the approved heating engineer. The prime objective of the IDHEE is to raise the standards of domestic heating installations through education, to which end IDHEE Education has developed the Domestic Heating Design Course, and continues to develop further courses to enhance the knowledge of installers in general and its members in particular.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats. It consists of a communication protocol and an interface specification. The OpenTherm communication protocol is primarily designed to control modulating heating appliances. The protocol is available to members of the OpenTherm Association only.

The Retrofit Academy is the driving force in retrofit knowledge and skills: building the supply chain with government, industry & education providers.

Founded in 2003, Utilita was created to challenge the Big 6 energy suppliers by empowering everyone with a fair and flexible service that’s good for the pocket and planet.

Zed-Air Heating and Air Conditioning was established in 1993, by Eric and Cindy Barron. Zed Air is an independently owned and operated company. Zed-Air Heating & Air Conditioning is a local company, and the community is very important and proud to support local charities like the Salvation Army and Mens Mission.