The Edinburgh Boiler Company are the major installer of new gas combi boilers in not only Edinburgh, but all of Scotland. They lead the way for both Worcester Bosch and Ideal Boilers, and have also been awarded the highest boiler installation accreditation with both of these major UK boiler manufacturers.

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

Thermal Gas System is the manufacturer and seller of 24x7 monitoring systems for refrigerant leaks, oxygen depletion, CO for parking or fleet facilities, using the latest photoacoustic infrared and CMOS options.

Thermal Tech, Inc. has been active in boiler sales, service, parts, support equipment and rentals since 1984 in Central Florida.

Thermo 2000 has been designing and manufacturing heating equipment for domestic and hydronic systems for over 40 years for residential, commercial and institutional applications. have a renowned expertise in North America for full range of innovative products that have become industry benchmarks and are available through a large network of distributors.

Supplier of choice since 1973, design and manufacture electrical heating equipment, modulating controls and steam humidifiers.

Thermon Heating Systems Inc. is a pioneer in the development and production of advanced heating and filtration solutions for industrial and hazardous area applications.

Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.

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.

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.

The Thybar Team fabricates Edge Precision-Engineered HVAC and rooftop products, delivering High Value and Superior Customer Care to all of the Stakeholders. Thybar develops HVAC and rooftop products using a process that is open, safe, and collaborative to create long-lasting internal and external customer relationships through innovative ideas and technology while striving to exceed expectations in everything we deliver.

Tjæreborg Industri provides virtually all plant types and services for the district heating industry.

TML Supply Company is a wholesale distributor of residential and commercial HVACR products. It is also a division of Trent Metals (2012) Limited.

Top Shelf Heating are expert professionals who can help with any and all HVAC needs. They offer an array of HVAC services in and around Boise, Idaho and they have become known as one of the best HVAC firms in terms of customer relations, pricing, and honesty.

TPI Corporation is known as America's Comfort Conditioning Company. They provide ventilation equipment; electric infrared portable and mounted heaters, fan-forced electric heaters, explosion-proof heaters, unit and cabinet unit heaters; portable and mounted task lights, thermostat and control equipment and many more.

Transhield, long known for advanced protective cover technology, has engineered a new product: TopCure – a concrete curing cover that reduces the rate of evaporation and retains moisture resulting in greater top-layer strength.

Tropic Air are a fully licensed Toronto heating and air conditioning company, providing professional & reliable HVAC services to residential & commercial customers since 1992. Their expert HVAC technicians are trained specialists in all heating and air conditioning services, water heaters, humidifiers, boilers & fire places. They sell, install & repair all major brands, such as: Trane, Goodman, Carrier, Bryant, Rheem, York, Amana & more.

True Blue Heating & Cooling has been serving Spring Hill, TN, with dedication and expertise since 2018. They take a lot of pride in all the long-term customer relationships that they’ve built up over the years in Tennessee, USA. They know how to take care of their clients by helping to keep their homes and businesses comfortable and safe.

Trust Electric Heating is an industry-renowned electrical heating company that provides innovative, affordable and sustainable heating solutions to homes and businesses across the UK. Their superior products, and the technology behind them, sets the company apart from other brands. They also offer customers free installation and a 100 days free trial on the finest electric heating system there is.

Tucker Hill Air, Plumbing and Electric – Phoenix offers the best plumbing & electric services, and is a renowned residential plumbing and HVAC service provider, serving the residents of Phoenix, Arizona and surrounding communities. With a team of highly-experienced HVAC, plumbing and electrical professionals, the company is committed to providing quality service at competitive prices to ensure the highest levels of customer satisfaction.

Turbo Home Services is serving Houston since last 15 Years for plumbing service and repair. From leak detection to clogged drains to whole-home re-pipes, the Pros at Turbo Home Services provide the full spectrum of plumbing services. Turbo Home Services has experienced, licensed, and trained technicians. They offer a wide range of heating and cooling 24-hour AC, Piping and Heating services in Houston, Texas, USA.

Tutco is a custom manufacturer of electric heating elements and units. They supply electric resistance heating elements for a broad range of industrial, commercial, and residential applications.

U.S. Climate Alliance states are committed to taking real, impactful, on-the-ground action that urgently addresses the climate challenge. In becoming an Alliance member, member states commit to achieve the Paris Agreement’s goal of keeping temperature increases below 1.5 degrees Celsius globally.

UKHeatPumps are a specialist supplier & installer of sustainable climate solutions for residential and commercial projects. UKHeatPumps provide full systems design, installation, aftercare, and expert advice on all types of renewable projects.

Around the globe, UL works to help customers, purchasers and policymakers navigate market risk and complexity. UL builds trust in the safety, security and sustainability of products, organizations and supply chains – enabling smarter choices and better lives. Their robust suite of offerings includes testing, inspection, auditing, certification, marketing claim verification, training, advisory services and software solutions.

Ultra Air was founded in 1999 through the enterprise and foresight of its principal, Anthony Licastro whose industry knowledge and experience saw him recognize an opportunity to improve upon the work practices. It is an Australian company providing residential and commercial air conditioning sales, installations, yearly services and corrective maintenance to the building industry and private market.

Underfloor heating for commercial buildings not only provides a more energy-efficient and sustainable heating system, but also helps to create a feeling of well being. Underfloor heating can support that well being, helping to promote responsive, productive and healthy minds.

UNICO Inc. is the maker of The Unico System which is a small-duct, high-velocity central heating and air conditioning system.

United CoolAir Corporation manufactures 1 to 90 ton "All-Indoor" Modular HVAC Solution systems for Commercial and Industrial Cooling as well as 100% Outside Air applications.