Testo SE & Co. KGaA, based in Titisee-Neustadt in the German Black Forest, is the pioneer in the field of portable and stationary measuring technology.

Testo is a supplier for HVAC industries, refrigeration, airflow and environmental monitoring instruments for markets as diverse as chemical, food and beverages, pharmaceutical and biotech. Testo provides portable instruments for combustion analysis, temperature, air velocity, humidity, pressure, data logging, thermal imaging, sound, RPM, visual inspection, moisture, refrigeration and IAQ.

Tetra empowers homeowners to switch from fossil fuel heating and cooling systems to high-efficiency systems, like heat pumps, with a high-touch customer experience and a customer satisfaction guarantee. By helping homeowners through the complexities of federal and state energy efficiency incentive programs and offering affordable pricing on brand-name HVAC systems, Tetra saves homeowners money and removes all the stress of installing new energy.

Thayer, LLC is an HVAC/R Mechanical Contractor Offering Innovative Commercial, Industrial, and Institutional Building Solutions since 1981 in Maine and New Hampshire.

The Air Conditioning Company specializes in installations, repairs, and maintenance of fitted air conditioning systems and the sale/hire of portable air conditioning units. They are also the only aircon company offering an unrivaled 10-year warranty on every one of their installations.

The Bristol Fan Company Ltd have a wealth of experience in delivering application-designed solutions to the HVAC industry. Working across the South West, we have developed an extensive and varied client base throughout the region, all of whom trust the highly skilled engineers and fitters with all of their plant design, installation and servicing requirements.

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 Whalen Company is the pioneering manufacturer of HVAC vertical stack riser heat-exchanger fan coil units and water-source heat pumps for hotels, apartments and other multi-story buildings. Our systems are distinctive in concept, performance, reliability and value.

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.

Thermal Care is a renowned manufacturer of fiberglass cooling towers in sizes from 40 to 240 tons, portable and central chillers in air-cooled, water-cooled and remote condenser models.

Thermal Resource Solutions specializes in complex, custom, and energy-efficient mechanical and plumbing systems. It provides best-in-class application engineering and equipment services tailored to individual client needs.

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

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

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.

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

Tolin Mechanical is a Pioneering Energy & Commercial HVAC Services Company. They are privately held and were established in 1948 in Denver, Colorado. For more than half a century, Tolin has provided focused energy- and service-based offerings throughout the United States. Tolin Mechanical is part of the National Service Logic family of companies providing unparalleled service and expertise.

Total Comfort Resource LLC, the team of specialized technicians researches, diagnoses, and resolves a variety of operational and maintenance problems. They combine technical analysis with industry experience to identify potential solutions, and address issues down to the root causes.

Total Ventilation Solution specialize in helping builders and home renovators achieve the best possible home environment, in the most energy efficient and cost effective way.

Trane is a renowned provider of air conditioning systems, services and solutions, they offer a broad range of energy-efficient heating, ventilation and air conditioning (HVAC) systems; dehumidifying and air cleaning products; service and parts support; advanced building controls and financing solutions.

Trianco is a pioneering provider of heating and renewable energy solutions dedicated to creating a sustainable future. With a focus on innovation, quality, and customer satisfaction, Trianco offers a comprehensive range of products and services designed to harness the power of renewable resources and reduce carbon emissions.

Trosten Industries Company LLC., specializes in manufacturing of centralized air conditioning and kitchen ventilation equipment. At Trosten, it's all about providing quality HVAC solutions for residential, industrial and specialized applications.

Troy Filters Ltd. is a custom manufacturer and supplier of filters and filter media for a variety of applications, including equipment protection filters, HVAC air filters, HEPA and cleanroom filters, paint spray booth filters, gas phase filtration, industrial air filters, power generation filters, and an extensive offering of OEM replacement filters.

Turbovent imports, manufactures and distributes a growing range of products including turbine ventilators, air conditioners, ducting and heating solutions. They continuously strive to introduce affordable new technology, aimed at providing IAQ solutions that save energy and reduce costs.

UEi Test Instruments designs, manufactures, market, service and support portable test equipment that every day enables thousands of professionals to do their jobs around the world. They provide Multi, digital, resistance, temperature, humidity voltage testers, leak detectors, combustion gas, and carbon monoxide analyzers.

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.

Unicel Autotech is a major provider of reliable and cost-effective generator rentals, sales, and installation services in India. They cater to a wide range of industries, events, and projects with short-term or long-term power needs.

Uniweld Products, Inc. is a U.S. manufacturing company that deals with gas, soldering, brazing, heating and welding equipment and accessories, test equipment, pressure gauges, alloys, manifolds and charging equipment, leak detectors, vacuum pumps, tubing tools.

Utica Boilers has been a trusted supplier of gas and oil-fired boilers for residential and commercial buildings since 1928. Contractors and homeowners alike choose Utica Boilers as their preferred supplier because of our high efficiencies, easy maintenance and installation features, and limited lifetime warranties.

UV Diffusers act as a shield removing pathogens from the air coming from the ventilation system before it enters the room. The disinfected air is then mixed with the air present in the room to reduce the concentration of contaminants. UV Diffusers improve ventilation efficiency while preventing the spread of airborne diseases.

In more than forty-five years since their founding in an old onion set warehouse in South Holland, Van Drunen Heating and Air Conditioning’s goal has remained the same, taking care of people.