Ranked as one of the top 40 Plumbing, Heating and PVF Wholesale Distributors in the United States, The Granite Group can trace its roots to Central Supply Company, which originated in 1901 on Waldo Street in Worcester, Massachusetts as a distributor of gas and steam engines and water supplies.

The Heating Hub is the first impartial, consumer website for the domestic heating industry. They have developed their higher efficiency and installation standard to deliver correctly fitted boilers and controls for the customers.

Founded in 1968, HRAI is a non-profit trade association of manufacturers, wholesalers and contractors in the Canadian heating, ventilation, air conditioning and refrigeration (HVACR) industry. HRAI advocates a safe, responsible and fair industry where indoor environment systems and refrigeration processes are designed, installed and serviced by qualified professionals in order to ensure efficient and energy-conscious operation.

The HVAC Atlanta has become Georgia's reliable heating and air conditioning service and installation. Their highly skilled certified and licensed professionals are heating and cooling experts.

The HVAC Guys, located in Spanish Fork, Utah, is a family-owned heating and air conditioning business. They believe in honest, excellent service at an affordable price. They have been in business since 2020 and have been able to help hundreds of families in the Utah and SLC counties with their heating and air needs. Services they offer are: AC and Heating Maintenance, Install AC, Install Heaters, Ductless Heating and AC Services.

The HVAC Jerks weekly podcast is what anyone wouuld want to listen to between service calls, during their commute, or any time they just want to relax, but stay involved in the industry. The Boys just like having fun, with a little business and a little technical stuff thrown in to keep them honest.

The Maintenance Network specialize in providing comprehensive HVACR maintenance and repair services, available 24/7 to meet varying needs. Their expert technicians are skilled in all aspects of electrical, HVAC, and refrigeration systems, ensuring equipment runs smoothly year-round. They also offer professional installation of UV lighting to enhance indoor air quality (IAQ).

The Master Group is the largest independent HVAC-R distributor in Canada, with 34 branches and 4 distribution centres.

The Modular Coldroom Company can group the products of what they believe to be the best European manufacturers and most prestigious brands of cold & freezers rooms. They supply or design and install high quality temperature controlled cold & freezer rooms. They offer a cost effective and practical solution, tailored to individual customer needs.

The Natural Energy Company is one of the longest established renewable installation companies in Scotland and as such, they have built a reputation for high quality heat pump and solar installations which save customers on their fuel costs and CO2 emissions. They install one brand of heat pump, Daikin, because they believe in it.

The Nixon Group are renowned Georgia-based HVAC equipment and systems service, maintenance and repair providers.

The S. G. Torrice Company is a full-service HVAC distributor of heating and cooling equipment, parts and accessories in the New England region. They are the exclusive distributor in the Northeast of both the Trane and American Standard equipment lines.

SMACNA members perform work in industrial, commercial, institutional and residential markets. They specialize in heating, ventilating and air conditioning; architectural sheet metal; industrial sheet metal; kitchen equipment; specialty stainless steel work; manufacturing; siding and decking; testing and balancing; service; and energy management and maintenance.

The Testing, Adjusting and Balancing Bureau (TABB) is an organization made up of top heating, ventilating, air conditioning and refrigeration professionals. Since 1981, TABB has set the certification standards for the HVAC industry. TABB is the first and only HVAC testing, adjusting and balancing certification program accredited by the American National Standards Institute (ANSI).

The YMI Group provides award-winning mechanical construction, HVAC and Plumbing service to general contractors; high-tech companies; property management firms; local, state, and federal government agencies; and hospitals and laboratories.

Thelen Mechanical provides professional heating, cooling, and plumbing services in the Twin Cities, North West Metro, and surrounding communities. They pride themselves on delivering exceptional service to their customers and their families at prices that won’t break the bank.

Thenow Australasia is the Australian-based distributor of Thenow Air conditioning systems that are specifically designed and constructed to manage both temperature & humidity of wine cellars and storage facilities.

Therma-HEXX is the pioneer in modular radiant heating and cooling systems, providing alternative energy solutions that are cost-effective and better for the environment. Its energy-efficient thermal panel units send hydronic fluid under pedestal or ground-mounted pavers making those days of shoveling the walkway a thing of the past. Therma-HEXX saves time and money while making the surfaces of the home or business safe for everyone.

Therma-Stor manufactures a line of residential dehumidifiers, which includes the Santa Fe series of free-standing dehumidifiers and the Ultra Aire by Santa Fe series of whole house ventilating dehumidifiers. Therma-Stor also offers Quest industrial dehumidifiers and the Phoenix line of restoration equipment for dehumidification, air scrubbing, water extraction, and evaporative drying.

Thermal Supply Inc. is a wholesaler of Refrigeration, Heating, Air Conditioning Equipment, Parts, and Supplies. It works with the industry’s best vendors including Daikin, Goodman, Russell, ClimateMaster, Copeland, Emerson, Heatcraft, Honeywell, Larkin, Manitowoc, Modine, Mueller Industries, and Ptubes, Sporlan, US Motors, and many more.

TBWES (a 100% subsidiary of Thermax Limited) is one of the foremost boiler manufacturers in the country, providing steam generation solutions for process and power needs.

Thermco is the area’s premier agency representing manufacturers in the sale of heating, ventilating, refrigeration, air conditioning and plumbing products

Thermeta Service BV is an internationally operating company specializing in the design, production, installation and maintenance of combustion devices/plants of excellent quality. Thermeta Service BV is one of the major burner manufacturers in the Netherlands.

Thermex provides a range of products for water heating, climate control, air treatment and specialized engineering. With over 75 years of experience, the company provides trusted solutions for homes and businesses.

Thermo King Midwest takes care of all ones transport refrigeration needs. They are a factory authorized sales, service, and parts dealer for Thermo King Corporation.

Thermobreak® is the most innovative polyolefin foam thermal insulation available to the HVAC and Building Industry worldwide. Thermobreak’s® performance is unsurpassed and a benchmark in the HVAC Industry.

thermofin GmbH is one of the manufacturers of finned heat exchangers. As a regional and Family-owned Company, they are one of the largest employers in Vogtland. They supply their customers with refrigeration and cooling technology around the globe from the headquarters in Heinsdorfergrund.

Thermokey is one of the major European manufacturers of top-quality heat exchangers for Commercial Refrigeration, Industrial Refrigeration, HVAC, Energy & Process Cooling.

Thermokon business is Air Conditioning, Heating and Cooling or Building Management, they have the necessary technology and know-how to offer customized products and services.

Thermoroma boasts 30 years of experience in the sale, installation and assistance of boilers, air conditioners and plumbing.