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 Tub Air company was born in Diano castello (im) in November 2000 founded by the current two partners. For three generations they have specialized in the construction of air handling ducts. To the good Italian artisan tradition of handing down work and experience from father to son, they combine modernity in the various working phases and adaptation to the new materials that the market offers them.

The Vaillant Group is an internationally active company based in Remscheid, Germany, which operates in the fields of heating, ventilation and air-conditioning technology. The Vaillant Group develops and manufactures customized products, systems and services to provide a comfortable living environment.

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.

Therma is California's premier mechanical solutions provider, a leader in the field for 50 years. herma focuses on complex HVAC systems and high purity process piping and controls for cleanrooms, laboratories, and high-tech manufacturing facilities.

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

ThermFlo provides a comprehensive range of HVAC services for commercial facilities. It will ensure all HVAC systems are working properly without any interruption.

When it comes to innovative, custom and traditional air conditioning for boats, Thermowell has been the partner serving thousands of customers around the world since 1997.

Thermsaver is a company which provides HVAC solutions in Scotland. They provide Air Source Heat Pumps, Cylinders and Buffers, Biomass General, Boiler, Ground Source, Heat Pumps, Heating Controls, MVHR.

THOMAS is a major manufacturer of systems, compressors, vacuum, and liquid pumps for Original Equipment Manufacturers (OEMs) in the medical, laboratory, environmental and industrial sector. With its experienced engineering, technical, and operations staff and capabilities, THOMAS designs and manufactures customized pressure and vacuum solutions that meet the precise needs of its customers.

Thomas Home Services is the renowned home service contractor serving Chandler, Arizona and the surrounding areas. They have provided the finest in quality HVAC and plumbing services since 1946, and they’ve served the entire Phoenix and East Valley area since 1994. The company offers top-quality HVAC, plumbing, and appliance services.

Thomas Sales has been a cornerstone of the Chicago construction market for over 35 years. Humble beginnings as a rep/distributor for the hardware stores of the Chicagoland area and then driving the growth of Home Depot's expansion throughout the Midwest with Siemens, Farenhiet and many other manufacturers. As typical retail sources separated themselves from regional representation, Thomas Sales adapted.

Since 2005, Thomas Service Company has become Huntsville, Alabama's choice for reliable, honest, and affordable home services. They provide the very best in installation, service, and repair for all your heating, cooling and plumbing needs. They are available for Plumbing, Heating, Ventilation and Air Conditioning (HVAC) needs around most of North Alabama and Southern Tennessee.

Thorndale's Heating and Cooling are specialists in the supply and installation of air source heat pumps - air conditioning for domestic and commercial applications, such as log cabins, static caravans, conservatories, outbuildings, Airbnb, small rental properties, bedrooms and garages.

Timilon Corporation is an innovative and rapidly growing company, focused on the development and commercialization of proprietary nano-chemistry technologies and materials. The primary performance capabilities of the materials are to destroy, neutralize, eliminate, and/or protect against a wide variety of toxic chemicals, noxious odors, and biological hazards.

Tjernlund Products provides quality engineered and manufactured products that solve exhaust, ventilation and heating/cooling problems. They provide Duct fans, draft inducers, power venters for horizontal vents, vent hoods, fresh and combustion air intakes, room-to-room transfer fans, exhaust and radon fans.

TK Services, Inc. are the biggest Thermo King authorized Sales, Service and Parts dealership on the West Coast.

TF Solutions started trading over a decade ago back in 2001. They provide Air Conditioning, Refrigeration, Copper and Insulation, Condensate Removal, Electrical, Tools and Maintenance, Trade Account, Heating and Cooling Systems, Portable Air Conditioning, Copper Pipe, and Insulation.

Toolstation is one of United Kingdom’s best-known multi-channel retailer of tools, accessories, HVAC, electronics and building supplies.

Torrco is headquartered in Waterbury, CT and is the 4th generation independent wholesale distributor of plumbing, piping, HVAC, and kitchen & bath supplies for both trade and retail customers serving Connecticut, Massachusetts & New York.

Total Comfort Systems provide the best air conditioning, ventilating and heating services in San Diego, California. Their San Diego commercial HVAC Company performs the most comprehensive and cost-effective service, repair and preventative maintenance programs possible.

Transaera is developing a new class of affordable, energy-efficient, environmentally friendly cooling systems. They provide services and products such as air conditioning, water recycling, agriculture, energy efficiency, and climate control systems.

TFMO is an independently-owned family company specializing in refrigerated transport services. As an expert refrigerated carrier, they ship the products safely in compliance with temperature-controlled shipping requirements, at both positive and negative temperatures.

Tranter is a global engineering and manufacturing group specializing in thermal management in the process industries, district heating and within the building envelope. Tranter is strongly committed to expansion and leadership in all aspects of the plate heat exchanger business.

TRC Sales Inc is a manufacturers' representative agency in the HVACR industry. They represent Manufacturers of HVACR products in California, Arizona, Hawaii and Nevada.

Tri-Went Industries Limited is located in Ajax, ON, Canada and is part of the Metal Valve & Pipe Fitting Manufacturing Industry. They are renowned providers of custom tube bending and fabrication, return bends, crossovers, multi-bends, connectors and serpentines.

Tri-Went is an ISO 9001:2008 registered custom tube fabricator with headquarters located in Knoxville, Tennessee, USA. They are renowned for providing custom tube bending and fabrication services.

Triangle Refrigeration Co. started out by providing commercial solutions to customers in central and eastern Pennsylvania. Now they are the trusted provider of commercial HVAC and refrigeration services and food service equipment in the New York Tri-State area.

Triatek is a US-based HVAC solutions company that designs and manufactures innovative airflow solutions for critical environments.