QTI is the unparalleled in world-class temperature sensing technology with over 40 years of proven expertise in NTC and PTC thermistors, RTDs, thermocouples, and more.

Quality Compressor has been providing remanufactured compressors and parts to the HVAC/R industry since 1984. They offer knowledgeable and courteous customer service and technical support both before and well after the sale.

Quantech has a proven track record of delivering high-performance chillers with speed, efficiency, and reliability in mind. They are led by the customers and work tirelessly to provide optimized HVAC solutions that address the facility needs. They provide smaller, lighter, quieter chillers resulting in lower installation costs.

The RPA is an international trade association comprised of individuals and companies dedicated to increasing the use of radiant heating and cooling technologies through education and the development of codes and standards language reflecting best practices. RPA manufacturing members produce the tubing, valves, heat sources, emitters and controls used in radiant floors. RPA engineers and architects design high efficiency radiant hydronic systems.

Randazzo Heating, Cooling, and Electrical is a Michigan-based company, keeping Michigan residents comfortable since 1988. They are committed to bringing their customers the best heating and cooling options. They are a company on a mission, focusing on offering their customers an optimum level of service!

Rapid Recovery provides refrigerant recovery services for the HVAC, refrigeration, demolition, and marine industries. Projects range in size from single residential split systems to chilling systems operating on tens of thousands of pounds, to projects with thousands of units.

Reclamation Technologies is the Midwest pioneer EPA certified refrigerant reclamation company. They offer a wide range of services to assist their customers with refrigerant management issues.

Redi Controls, Inc. is a provider of innovative quality solutions in thermal energy dynamic processes for industrial & commercial applications. Redi Controls also provides consultation for unique system application situations, and have the capability of designing solutions for specialty build customer requirements.

Reed Manufacturing provides Tubing cutters and cutter wheels, plastic pipe tools, power drives, groovers, threaders and dies, vises, water services tools/machines, large diameter pipe tools, wrenches, including specialty wrenches.

Reefer Service, Inc. provides transport temperature control and anti-idling solutions with a complete line of equipment for refrigerated trucks, trailers and containers. They are dealers of Carrier Transicold equipment, and also provide a full range of refrigeration equipment services for all types of transport vehicles.

Refricenter International is a wholesaler/exporter of heating, ventilation and air conditioning parts, supplies and equipment.

RefTec International manufactures and supplies the heating, ventilating, and air conditioning industry with standard and customized refrigerant recovery, purge, and chiller pressurizing equipment. These units, among others, are used as service tools in the HVACR industry.

Regal Inc. offers a full range of heating and cooling services with their nationally trained technicians for ones home and business. Their product range includes gas furnaces, oil furnaces, boilers, radiant floor heating, heat pumps, geothermal systems, hybrid heat systems, roof-top units, electric heating, zone control, air purification, system balance, freon leak detection, ventilation, humidifiers, to name a few.

Resolute is a well-capitalized, deeply experienced company focused on growth by providing service to a wide spectrum of customers in the HVAC industry. They provide Rental Chillers, Compressors, RSR's, HVAC, HVACR, Rental Heat, Rental Power, Rental AC, Rental Dehumidification, Rental Fans, Rental Air Handlers, Rental Cooling Towers, Rental Generators and much more.

Resource Innovations is a women-owned, community-focused environmental consultancy working to transform the model of resource efficiency and create sustainable impacts that benefit everyone. With deep roots in energy efficiency program design and implementation, Resource Innovations is a renowned player in the HVAC industry with innovative program solutions, working with community organizations toward a collaborative economy.

RHP Mechanical Systems has been leading the way in HVAC, plumbing, piping, and radiant systems since 1950. Their residential services include full heating, cooling, plumbing, and ventilation design, installation, replacement, and maintenance services for every kind of residence.

Robert A. Nowak HVAC understands the importance of a comfortable and well-regulated indoor environment. As the premier Buffalo-area HVAC service provider, they bring decades of experience, unwavering expertise, and a commitment to excellence that sets them apart. They proudly offer both residential and commercial HVAC solutions.

ROBUR S.p.A offers single phase, gas-fired absorption heatpumps, chillers and chiller-heaters for residential and commercial comfort conditioning and industrial process cooling applications.

When the sweltering heat or chilling cold invades the home, Route 66 HVAC and Mechanical is here to ensure the comfort of residents all year round. As a trusted HVAC contractor in Bristow, Oklahoma, they take pride in providing fast and efficient service to their community. Look no further for reliable AC repair in Bristow, when the air conditioner needs attention.

RunTru is a dependable HVAC brand, but at a price point that makes it the answer to heating and cooling needs. This new product is also designed, engineered, tested, and assembled in America.

RuppAir has been dedicated to superior customer service, high quality, and excellent application engineering. As the industry's innovator, we set the standard for commercial and industrial ventilation equipment and service, offering the most competitive pricing and the fastest and most reliable lead times in the industry.

Russell's Heating and Cooling, is a family owned and operated company, proudly serving the Hampton Roads area since 1977. They provide furnaces, heat pumps, air conditioner, geothermal HVAC systems and other HVAC equipment.

Safe House Air Services is the best Air Duct cleaning service in the Houston Metro Area. 10 years of serving all of the local neighbors has allowed them to come up with exactly what all the residents need.

Samm's Heating and Air Conditioning was founded on the five fundamental principles of honesty, professionalism, punctuality, cleanliness, and superior customer service.

At Sanden International (U.S.A.), Inc., our business today is building automotive air conditioning compressors.

At Sanford Temperature Control, they represent unmatched customer service in Southern New Hampshire. Whether calling them for heating, cooling, plumbing, or electrical services, they’ll always speak with a friendly, knowledgeable member of their team. Sanford Temperature Control stands out with a commitment to excellence that includes their Lifetime Workmanship Guarantee, ensuring clients never have to worry about getting the job done right.

SANI-VAC Service provides high-quality indoor air cleaning services, including HVAC units, air ducts, and kitchen exhaust cleaning for commercial, industrial, and institutional organizations. It offer much heating and cooling cleaning services including air duct cleaning, ventilation cleaning, coil cleaning, HVAC cleaning, commercial kitchen exhaust degreasing, cooling tower cleaning, and ductwork inspections.

SAWIN Service Automation, Inc. is a provider of turn-key business solutions designed specifically for the service and installation industry since 1984. They provide a wide range of HVAC solutions, including heating and cooling, refrigeration, plumbing, security alarms and building automation systems.

Scot Pump is a O.E.M manufacturer that specializes in End Suction Centrifugal pumps. While many of Scot's competitors have a broader product line that encompasses many different types of pumps, Scot has directed its focus on End Suction Single Stage Centrifugals, and boasts to have the best delivery, customer service, and quality in the industry.

Scott Comfort Systems in Raleigh, NC is a premier HVAC contractor for all your heating and cooling needs. They provide high-quality installation and service of air conditioning and heating systems for residential and commercial customers in the Triangle region.