Established in 1964, Fernox is a leading manufacturer of water treatment chemical products, central heating system filters, plumbing consumables and diagnostic testing services. Fernox has pioneered the development of energy efficient products both for traditional and renewable technology in domestic and commercial applications.

Fervo is leading a wave of ingenuity and technological innovation that is expanding geothermal’s potential, vastly increasing geothermal energy production capabilities, and broadening project viability to previously inaccessible areas of the country.

Fireye, Inc. is a globally renowned manufacturer of flame safeguard controls and burner management systems for commercial and industrial applications throughout the world. Their products can be found in a variety of public buildings, commercial properties, power plants, pulp and paper mills, petrochemical facilities and food processing plants.

FLOWAIR is a company that during a short period of time has become a renowned expert in economic heating and ventilation of large and medium size buildings. They started in a small garage and they have grown into a tight team of 100 people. Their headquarters are in Gdynia.

Fogarty Heating & Ventilation is passionate about providing top-notch HVAC services that ensure the comfort of our customers. With years of experience and a team of skilled professionals, it is dedicated to delivering excellence in every service aspect - from installation to maintenance and repair.

Fortes Energy Systems has various specialists who, based on their many years of experience and know-how, advise, assist and support the customer. Energy from a heat source is transferred to the end customer, at the right temperature, pressure difference, and quantity. Other product lines are ball valves (SV), balancing valves, hot tap water boiler controls, digital controls, energy meters, underfloor heating distributors, ball valves et cetera.

Fujitsu General America is a provider of heating and cooling solutions for every application. Fujitsu's line of high-efficiency systems have been designed to provide advanced comfort solutions for residential and commercial applications.

Full Gauge Controls produce a wide range of digital instruments for industrial, commercial and residential automation systems, always ahead of the market needs and the desires of our customers, continuously offering, for over 30 years, solutions for refrigeration, heating, acclimation and solar heating with products conforming to international guidelines, standards and certifications, such as UL, CE, NSF and ISO 9001 and 14001.

Located in Palm Beach County, Full Spectrum Environmental provides mold, water and air quality testing services. Their team of indoor environmental professionals will perform a thorough inspection and assessment of homes or businesses to provide customers with peace of mind and solutions. They handle the full spectrum of indoor environmental concerns.

Fulton Heating Solutions is a global manufacturer and innovator of high efficiency condensing boiler technologies. Its newest boiler line - the Endura+ commercial condensing boiler.

G & R Controls is a globally renowned building automation and hydronic systems contractor. The Controls Division specializes in temperature controls, IAQ control, security, and low voltage lighting and shading solutions. G & R Controls also has a full Hydronic Heating Division with an extensive equipment offering and planned maintenance programs with 24/7 service support.

G3D‘s commitment is to actively contribute to sustainable development through environmental protection, social responsibility, and economic progress. To them, that means meeting the needs of society today, while respecting the ability of future generations to meet their needs G3D takes pride in offering the best customer service to achieve the goal of 100% customer satisfaction.

Gainesville Mechanical Inc. are distributors of air conditioners, ductless HVAC, indoor air quality products, heating and more. They also provide repair, service and installation for the same.

Gasmaster Industries was established in 1995. We are responsible for bringing the first 4 million, 8 million, and 12 million BTU/hr stainless-steel condensing boilers to the HVAC market in the late 1990s and early 2000s.

Gassero was founded in 2011 as an innovative company with over than 60 years of experience in the heating industry.

Gem Heating & Air Conditioning is owned and operated by James Barrett. James and his team bring over 20+ years of experience in the HVAC repair, service and installation industry in southern Idaho, USA. Gem Heating & Air Conditioning are proud to run their business with strong values and work ethic, so that every customer feels they are getting the best service for their HVAC needs.

General Filters is a manufacturer of residential whole-house humidifiers, air cleaners, UV air purifiers, dehumidifiers, heat and energy ventilators and fuel oil filters.

Gensco, Inc. is a family owned Heating, Ventilation & Air Conditioning wholesale distributor and manufacturer in the Pacific North West. They pride ourselves on delivering outstanding service and value to customers and providing opportunity and job satisfaction for team members throughout the US states of Washington, Oregon, Idaho, Montana and Alaska.

GI Industries Inc. provides commercial tube cleaning machines for boilers, chillers, etc.; duct cleaning equipment, high pressure washers and industrial vacuums, and tube plugs, flexible shafts.

Glamsbjerg- Haarby Varmeværk is a renowned Danish district heating company. Glamsbjerg-Haarby Varmeværk produces and supplies hot water to all households connected to the district heating network in Glamsbjerg and Haarby, in Denmark.

Glen Dimplex Heating & Ventilation is a subsidiary of the Glen Dimplex Group. They design, develop and deliver innovative heating and ventilation solutions that address a wide range

GLOB Energy is an oil drilling mud business that provides great products for drilling, completions, and cementing. They know that finding the right drilling product to use is a choice not to be taken lightly. That’s why they offer highly efficient products to help customers get the job done efficiently.

Global International Heating and Cooling Co company is proud to have obtained the following Licenses and Certifications: Orraca Brazing License, Lead Paint Renovation License, Contractors License #234255, Epa 608 universal type 1,2 and 3, Epa 609 MVAC, Indoor air quality Certified, Green Energy Certified, R410-A Certified, HFO certified and Nate Certificate.

GNPW Group develop special businesses and projects in the area of ​​energy, fossil and alternative fuel logistics. The GNPW Group was founded in 1993 and is formed by companies with outstanding performance in business development and special projects in the areas of Energy, Logistics and Fossil Fuels.

Goettl Air Conditioning and Plumbing is an HVAC and plumbing service company offering exceptional air conditioning and heating services throughout the Phoenix, Tucson, Las Vegas, and Southern California areas. Established in 1939, Goettl offers the highest quality AC and heating equipment and a full range of maintenance, repair, and replacement services.

As a family-owned and locally-operated plumbing company in Covington, GOODBEE PLUMBING provides fast and reliable service to property owners throughout Ponchatoula, St. Tammany Parish, Hammond, and the surrounding areas. Their local plumbers have so much more to offer, whether looking for help with a remodel, need the backflow preventer inspected, or are looking for a thorough drain cleaning.

Goodman Global provides central air conditioning and heating equipment. IAQ and PTAC products.

Goodman Manufacturing provides its customers with reliable, high-quality, energy-efficient, and affordable indoor comfort HVAC products.

Goodway Technologies Corp is a manufacturer of Boiler/chiller/condenser tube cleaners, duct cleaners, vacuums, drain cleaners, hi-pressure washers, vapor-steam cleaners, surface sanitation, testing instruments, cooling tower cleaners, coil cleaners and mold remediation equipment.

Gradient’s mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it — without compromising the environment. The company's vision is a future where everyone has access to comfortable buildings that are fully decarbonized. Their launch product is a direct-to-consumer high-efficiency and low-carbon heat pump.