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.

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 Locking System (RLS) LLC designed, engineered, patented, and developed the first press-to-connect fittings for the HVAC and refrigeration industries. With many millions of RLS fittings installed worldwide and nearly 6 years of successful field use, RLS is the only line of press-to-connect fittings proven to stand the test of time in high-pressure HVAC/R applications.

RAW Heating & Plumbing offers superb service, clean and efficient solution to fix any plumbing and heating issue. They are a Viessmann approved installer, they also fit any brand of boiler one wishes ensuring it meets the latest safety standards.

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.

RE/MAX, LLC is a subsidiary of RE/MAX Holdings with more than 140,000 agents in almost 9,000 offices and a presence in more than 110 countries and territories. RE/MAX agents have lived, worked, and served in their local communities for decades, raising millions of dollars every year for Children’s Miracle Network Hospitals® and other charities.

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.

Over its long and prestigious history, RED-WHITE VALVE CORP. (RWV) has maintained a significant presence in the plumbing, commercial, industrial and HVAC markets.

Reece Group offers a wide variety of products to reputable brands supplying mechanical services, air conditioning, spare parts and heating and cooling. They also provide dedicated support and technical expertise for their products.

Reedy Industries is a rapidly growing commercial HVAC and building controls company that is transforming the industry. Founded in 1930, we’ve grown by providing exceptional service and unprecedented opportunities for HVAC company owners, their employees, and customers.

REFCOM is the UK's market F-GAS certification scheme, operating since 2009. They help companies make sure that they comply with F gas regulations since 2014.

Refra is a well-known manufacturer of refrigeration and air conditioning equipment in Europe. Distinguished by a highly complex and unique offer of refrigeration products, the company can design and manufacture non-standard products, fully customized and completed according to customer requirements. Refra has firmly established itself in the European refrigeration market.

Refresh Smart Home is a globally renowned Nest Pro Elite firm and a Top Rated Nest Pro Elite Installer that provides smart home, home automation, indoor air quality and green air solutions.

REEF is a non-profit community of corporate sustainability pioneers and industry partners using their collective expertise and buying power to accelerate action on super-polluting refrigerants, with a focus on HVAC applications.

Refrigerant Services provides refrigerant collection, reclamation and disposal of surplus refrigerants and maintains a large inventory of refrigerant recovery cylinders. The Company has since developed a number of patented and patent pending technologies for the reprocessing of refrigerants.

Refrigeration Design Technologies (RDT) designs and manufactures refrigeration systems for food service operations. RDT has equipment in many restaurants, hotels, casinos, universities, hospitals, prisons, corporate dining facilities, sporting stadiums and theme parks.

REFTECO offers a wide range of tailor made chillers suitable for industrial refrigeration, commercial refrigeration and process cooling (oil & gas industry, ice rinks, etc.). The product lines are available for indoor or outdoor installations and for ammonia or HFC refrigerants. All product ranges are designed to provide low energy consumption, reduced refrigerant charge and low maintenance cost.

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 Controls Corporation specializes in the design and manufacture of internet-connected building controls and green BACnet building automation systems. They provide simple, flexible, and sustainable controls which balance the comfort, efficiency, and greenhouse gas reductions of commercial buildings all around the world.

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.

Renroc Group was established in 1991 to revolutionize and optimize Australian Industry. The company began by supplying pumps and fluid handling systems to many industries. The company is now a diversified specialty equipment and services supplier including pumps and polymeric coatings. Serving, Oil & Gas, Power, Renewables, Water & Waste Water, Food & Beverage, Chemical, and HVAC markets.

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.

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 Data Managemen offers a range of over 500 hardware and software products for heating, ventilation, air conditioning, refrigeration, building and energy control applications

Revac Systems offers World Class Commercial Kitchen Exhausts that keep your Kitchen environment conducive to human comfort despite changes in internal heat loads from burners, ovens, and Electrical fryers. Their projects cover the supply of all kinds of Kitchen Ventilation equipment like Hoods, Ducting, Blowers, Electrostatic Precipitators, Makeup Air Units, Grease Filters, etc.

When its cold outside, Reznor brings the heat. For more than 90 years, they’ve delivered reliable, high-efficiency unit heaters to their customers. Their unit heaters feature attractive, high-gloss exteriors, components engineered for quality, and a complete range of options to fit any application. And, many of their high-efficiency unit heaters qualify for rebates or subsidies from local governments or utilities.

RFTN is a refrigeration and air conditioning company that provides top-notch residential, commercial, and industrial HVAC solutions. With a passion for enhancing indoor comfort and ensuring energy efficiency and sustainability, they offer a comprehensive range of air conditioning services, from installation and maintenance to consulting.

Over 30+ years of progressive experience in Mechanical Engineering, HVACR Project Management, Energy Management, Facilities Management, Project Management, Financial Management, HVACR Training and Development, Research, and Management Consulting Models.