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.

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.

Refrigeration Equipment Specialist is a manufacturer's representative warehousing and technical sales of refrigeration for low, medium temperature applications - Freon, Ammonia, CO2 -to refrigeration contractors.

Refrigeration Wholesale provides one stop shop for all HVAC and Commercial Refrigeration parts and Equipment. They carry a large variety of air filters including specialty filters like Air Bear.

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.

Reliable Heating and Air is a trusted HVAC contractor serving Los Angeles and Ventura counties. They specialize in installation, repair, and maintenance of heating and cooling systems, with a focus on energy efficiency, indoor air quality, and customer satisfaction. Their certified technicians provide reliable service backed by strong warranties, ensuring comfort and peace of mind year-round.

Since 1961, Reliable Louvers has been supplying architectural and mechanical louvers for the construction and hospitality industries. With a state-of-the-art paint and anodizing finish lines, in-house full-service sheet metal shop and a full-time engineering staff, they have the capabilities to meet any needs.

Rescue Air Heating and Cooling is focused on providing residential HVAC installation, repair, and maintenance throughout all of North Texas. They have upfront, no surprise pricing, so their customers know exactly what they’re paying for in advance. They're based in Richardson, Texas with a focus on Dallas, and are proud to serve all of the DFW Metroplex.

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.

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.

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.

RGF Environmental Group Inc. a manufacturer of air, water, and food purification systems. They offer a broad range of patented and patent pending air purification technologies and solutions to almost any airborne problem, condition or application.

Rhodes and Stafford is a company that serves as a representative of companies like Diversitech, Southwark Metals, Berry Global, J. P. Lamborn, Uni-Weld, Hardcast, Glasfloss Industries, Honeywell Genesis Cable, Truaire, Soler&Palau, Fujitsu, JB Ind., Builder's Best, Pro1, Trion.

RightTek excels in providing real-life Residential HVAC Training from entry-level classes to advanced specialized training for senior technicians. As an Army-approved Career Skills Program (CSP) provider, RightTek re-tools soldiers leaving active duty for a rewarding career in the Residential HVAC Industry.

Ripley PR is an award-winning, global public relations agency providing services across a spectrum of industries, including skilled trades (home service - HVAC, plumbing, electrical; construction; engineering), B2B technology, manufacturing, franchising, and B2B professional services. It was named to Forbes’ America’s Best PR Agencies of 2021 list and has been ranked by Entrepreneur in the Best Franchise PR Agencies list three years in a row.

Rite Way Heating, Cooling & Plumbing is a local plumber and HVAC company, serving home and business owners across Tucson, Arizona, USA. They offer a wide range of heating, cooling, and plumbing products, including air conditioners, furnaces, heat pumps, hot water tanks, and water conditioning systems.

RK Mechanical Air Services prides itself on being the trusted HVAC partner for residential and commercial clients across Placer, Sacramento, Yolo, Napa, Sonoma, and Marin counties. Since 2019, after partnering with FA & AO, their locally owned business has grown and now operates broadly in Northern California, delivering top-tier heating, cooling, air conditioning, ventilation, furnace repair, air quality solutions, and HVAC maintenance.

At RM Additions, they are passionate about transforming ordinary spaces into extraordinary living spaces that enrich lifestyles and adds value to homes. With their years of experience in the building industry, project management, and finishing, they are dedicated to bringing their renovation dreams to life.

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.

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.

Rogers’ Advanced Electronics Solutions (AES) business delivers advanced material solutions to solve design issues such as signal integrity, Radio Frequency (RF) signal management, power efficiency, power distribution and thermal management, to deliver improved device and system reliability. These solutions include high-frequency laminates, bondplys, prepregs, cooling solutions, ceramic substrates and busbars.

Rooter Hero Plumbing & Air of Sacramento is the top-most AC repair in West Sacramento. They offer a wide range of services, including plumbing, ac repair, and many more. They have a qualified team who have excellent skills.

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.

At Royal Air Conditioning & Heating, Inc, they aim to provide users with quality HVAC repairs, maintenance, and replacements. They are fully trained and certified with over 30 years of experience performing everything from regular inspections and cleanings to installing and replacing residential and light commercial HVAC systems.

RSC Heating & Air Conditioning is a full service contractor with decades of operational excellence. They provide services for both residential and commercial businesses including: custom design, installation and maintenance of HVAC systems, geothermal heat pumps, radiant floor heat, zoning and thermostats, ductless systems, water heaters, water treatment and indoor air quality.

RST Thermal is a Manufacturer's Representative, serving New England, for multiple manufacturers whose products offer a systems approach to comfortable heating and cooling. They provide technical and sales support to their wholesale distributor partners and contractors. For homeowners, they provide geographic lists of installing and servicing contractors to help them find the "best fit" for the project to be done.

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.