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.

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.

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.

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.

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

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-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.

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.

RefPlus is a world-renowned manufacturer of refrigeration products. At the forefront of the latest technological innovations, their equipment combines performance and reliability.

Refrigeration Technologies is the manufacturer of specialty chemicals, product research, development and marketing in the HVAC market.

RegaVent offer a range of MVHR units, ducts and accessories to suit a range of projects and construction types. Rega offer a free no obligation design service, just send plans of the project and they will produce a layout and quotation specific to their requirements.

Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing, and electrical services, indoor air quality, duct cleaning, insulation, and home and building performance for both residential and commercial customers.

Rensair is a specialist in air purification, protecting, and enhancing lives through clean air. Its patented technology combines H13 HEPA filtration with germicidal UVC light, was developed to meet the strict standards of Scandinavian hospitals, and is independently validated by scientific research laboratories. Rensair air purification units meet all the standards recommended by the US EPA and UK SAGE committee in their respective reports.

REYMSA Cooling Towers has been in the cooling tower business for 50 years and offers the best Non-Corrosive Cooling Tower on the market. All of our towers are CTI Thermal Performance certified.

Rinnai is a manufacture of heating and cooling equipment. Some of their products are water controllers, temperature controllers, LS 800 Gas Fire, inverter cassette and more.

Rittal, headquartered in Herborn, Hesse, Germany, is a globally renowned provider of solutions for industrial enclosures, power distribution, climate control and IT infrastructure, as well as software and services. Its broad product range includes infrastructure solutions for modular and energy-efficient data centers with innovative concepts for the security of physical data and systems.

Robert Madden Industries is a heating and air conditioning wholesale distributor offering Carrier, Bryant, Payne, and Day & Night equipment and parts, as well as a generous line of supplies.

Rockwell Automation helps manufacturers to succeed and grow with industrial automation control and information solutions designed to give the customers a competitive advantage.

ROCKWOOL Limited are the local organization offering advanced building insulation. ROCKWOOL HVAC Systems Guide is their latest comprehensive handbook covering all of the HVAC solutions – putting the essential technical information one needs for specifying effective HVAC insulation all in one place.

Roen Est is a renowned solutions provider for the design and production of heat exchangers. Established in 1983, as a manufacturer of finned pack heat exchangers, the company is considered a reference point for its technology and broad array of solutions for air conditioning, refrigeration, heating, and cogeneration.

Royce Industrial Compressor provides Industrial hermetic, semi-hermetic, open drive compressors and compressor units from 1 to 150 h.p.

RPC's mission is to provide HVAC industry customers with quality replacement compressors, and parts in a timely manner at a reasonable cost. They also provide integral finned, prime, and star insert tubes for heat exchangers, chillers and condensers; also retubing and tube cleaning tools and equipment.

INNORAPID LIMITED with brand RPWORLD, founded in 2003, is committed to high-mix, low-volume manufacturing services. Over more than 19 years, RPWORLD has been providing customized one-stop manufacturing solutions for 20,000+ projects from 40 countries around the globe, becoming one of the fastest and most comprehensive manufacturing suppliers in the world.

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.

RUSAL is a pioneering company in the aluminum industry, producing metal with a low carbon footprint. 90% of the Company's aluminum is produced from renewable electricity, and by implementing innovative and energy-saving technologies RUSAL can reduce greenhouse gas emissions at all production stages. This has enabled RUSAL to become one of the first in the world to master the production of 'green' metal under the ALLOW brand.

Russell is a manufacturer of a complete line of energy-efficient unit coolers, condensing units, condensers, air handlers, coils and packaged systems.

Salus is a supplier of energy control solutions focused primarily on the European market channel. From standalone wired thermostats to connected smart solutions, they have a complete range of thermostats to fit any application or installation.

Sanhua International Inc. is a HVAC&R manufacturer of controls and components with a global footprint and 30 years of experience. They cooperate with companies in the Automotive, Appliance and HVAC&R industries.