QEL is a pioneer in manufacturing toxic and combustible gas detection equipment. With a diverse product offering, they are able to satisfy both commercial and industrial toxic and combustible gas detection applications.

Quest Controls Inc. is a leading designer and manufacturer of intelligent automation systems (hardware and software) for small, medium and large buildings intended to deliver major energy savings. Quest provides telecommunications with remote monitoring for power and battery capacity, control of main door access, intelligent lead/lag, control and monitoring of HVAC systems, gas monitoring, telephony equipment monitoring, environmental monitoring,

QuickFitting® is a pioneering innovator in plumbing and HVAC technologies, offering advanced solutions that streamline installation processes and ensure durability. From push-to-connect fittings to press technologies like SurePress™, QuickFitting is committed to delivering efficiency, reliability, and innovation to professionals and homeowners alike.

QuietCool - QC Manufacturing, Inc is a manufacturer of the patented QuietCool whole house ventilation system - a quiet and energy efficient companion appliance - or alternative to - expensive air conditioning usage.

Quilt offers AI-driven efficiency and room-by-room control, all while leaving fossil fuels behind.

Qvantum offers heat pumps for the next-generation heating and cooling technologies that enable the decarbonization of the cities.

R & Y A/C Compressor is the leader in A/C Auto Parts, providing quality car air conditioning parts & services. They manufacture & distribute variety of replacement mobile climate control products like compressors, driers/accumulators, evaporators, condensers and more.

R. Williamson & Associates has been providing industry with clean, comfortable air. They provide an interactive experience, having engineers and technical sales representatives on staff with more than 135 years of air systems design experience.

R.S. Andrews has been in the business of delivering smiles since 1968. They’re proud of the decades of expert and dependable home comfort services they’ve provided to countless homeowners throughout the Greater Atlanta area, Savannah, and the Hilton Head area of South Carolina.

RAC Sales Inc. are representing manufacturers of HVAC/R equipment and supplies to wholesalers in multiple states.

Rack Engineering Division specializes in manufacturing storage and material handling products specifically designed for high weight capacities and heavy use. Rack Engineering understands that professional storage solutions are an integral element for efficiency and organization in the workplace, and they're proud to provide the highest quality products to the distributors and customers.

Rahn Industries manufactures a full range of fin and tube heat exchangers including chilled and hot water coils, glycol coils, booster / reheat coils, evaporator coils, condenser, steam and other exact fit OE, custom and severe duty coils that are guaranteed to fit and perform. Rahn Industries is AHRI certified; UL listed and have ETL certification for fan coils.

RAKtherm, the piping solutions provider with global distribution networks is under the flourishing arm of renowned group Hashim Industry since 1963. Manufacturing the world’s most versatile and comprehensive piping solutions for diversified applications conformed by the international certifying bodies of CSTB, DVGW, SKZ, HY, CARSO, and TUV.

Ranger Pumps is a privately held corporation that was founded in 1989 in Memphis, Tennessee. Ranger has become a domestic and international pump supplier. They pride themselves on manufacturing pumps in the USA from parts made in the USA.

Rapid Cool is an emulous Manufacturer, Service Provider, Exporter and Supplier of Ultra Sonic humidifiers, Pan type humidifiers, Electric hot water generators, Oil fire hot water generators, Gas fired hot water generators, Y-Strainers, Pot Strainers, Duct heaters and other products.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

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.

Rapid Water Technologies' patent-pending nanobubble generator removes and prevents the buildup of biofilm in commercial and industrial water use.

RATH has specialized in base materials and finished products for the refractory sector. Individual design and the highest quality of the products - that's what their customers appreciate.

Rawal Devices Inc. is the manufacturer of highly efficient and cost-effective solutions that solve temperature and humidity control problems in industrial, institutional, and commercial building applications.

Raypak Inc. is a company that offers heating and hot water supply boilers, hydronic heating systems, swimming pool and spa heaters.

Ronald Chambless has owned RC's A/C & Heating since 1994 when he began his company from his home functioning from the back of the little Mazda pickup.

RCD Corporation Mastics are air duct sealants that save energy by sealing leaking air conditioning, heating, and HVAC air ducts in forced air heating and cooling systems.

RCI Westech is a manufacturer’s representative agency that serves in the HVAC/R industry. For the past 52 years they have represented HVAC/R related products by promoting and training to contractors, school districts and trade schools with the partnership of our wholesaler distribution channels and industry associations. They do continuous promoting through mobile training, tradeshows, wholesaler open houses, counter days and contractor calls.

RDM Products specializes in sheet metal and wire fabrication, welding, and design services. They also deal with condensing unit enclosures, noise reduction panels, shelving, theft-deterrent cages.

As a provider of HVAC services, Realtime specializes in HVAC solutions and process cooling. Integrity, commitment, and quality-oriented solutions are their USP. Their team of professionals works under a client-focused approach to make sure that their services meet the requirements.

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.

RectorSeal is a manufacturer of specialty chemical sealants. They have developed a robust line of chemical, mechanical and firestopping products. These products are distributed through an extensive wholesale distribution network serving the plumbing, industrial, HVAC-Refrigeration, construction, electrical, and hardware market places.

Red Devil, Inc. is a privately-owned family business with state-of-the-art manufacturing facilities in Pryor, Oklahoma. It is the only manufacturer to offer such a broad and diversified line of hand tools and chemical products for professional and home maintenance and improvement more than 400 different products in all. It manufactures caulks, sealants, and tools.

Red-White Valve Corp. is a manufacturing company that deals with plumbing, commercial and industrial ball, gate, globe, check, butterfly, radiator, regulator and balancing valves in bronze, brass, iron, and stainless steel.