REHVA is The Federation of European Heating, Ventilation and Air Conditioning associations founded in 1963. REHVA's mission is to develop and disseminate economical, energy efficient, safe and healthy technology for mechanical services of building; to serve its members and the field of building engineering (heating, ventilation and air conditioning) by facilitating knowledge exchange.

Reliance Home Comfort provides a full-menu of HVAC services in Maple Ridge, B.C. for homeowners and businesses alike. Whether one needs a furnace repair in Vancouver or a new water heater in Maple Ridge, Reliance Home Comfort has an installation or repair service for home. They also offer 24/7 emergency plumbing and have new UV air purification systems available.

Renewable Equipment Solutions (RES) specializes in the design and supply of bespoke renewable equipment for domestic and commercial premises across the United Kingdom (UK). They offer industry-renowned equipment, comprehensive system designs, and expert technical support. They are a MCS accredited, HEIS consumer code member, TrustMark registered and NICEIC approved company.

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.

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.

Rheem is a manufacturer of heating, cooling, water heating, pool/spa heating, and commercial refrigeration products. The company has an international presence in 14 countries. Their premium brands include Rheem, Raypak, Ruud, Eemax, Richmond, and Splendid, as well as commercial refrigeration brands Russell, Witt, ColdZone, and Kramer, which are part of the company’s Heat Transfer Products Group (HTPG) division.

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.

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.

Riley Sales is a distributor and service provider of HVAC needs. They cater to the industry by offering services for air ventilation and filtering to thermostats and sheet metal.

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.

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.

Ripple Energy makes clean energy ownership accessible and affordable for everyone, everywhere. Ripple will enable energy consumers around the world to part own large scale wind farms and solar parks and have the clean, low cost electricity they produce supplied to their homes. Their utility partners supply the electricity from the wind farms and solar parks to their owners’ homes via the grid.

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.

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 Heath Heating provides domestic heating service, maintenance, and installation for private clients and social landlords. Competitive service for both residential and commercial gas services.

Roberts-Gordon LLC is the leading manufacturer of energy efficient, gas-fired, low-intensity infrared heating systems and controls for commercial, industrial, and residential applications.

Robinson Supply Co. is a distributor of heating and cooling equipment, duct, registers and grills, tools and test equipment, air quality products in the HVAC industry.

Robson Thermal Mfg. Ltd. is a Canadian manufacturer of fire rated canvas and regular canvas, lagging, coatings, and adhesives for mechanical insulation, HVAC, and other trades.

RMIS is a representative of Heating, Ventilation and Air Conditioning products in the Intermountain West. They also offer product training at our location including HVAC Training, plumbing certifications catered to both mechanical contractors and wholesaler personnel.

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.

Roger’s Refrigeration & Electrical Services, Inc. opened its doors in 2004 to serve the needs of Andalusia and surrounding communities. Over the past decade, they have grown to become a trusted heating and air contractor company that offers a wide variety of Bryant products and highly skilled services for heating, cooling, refrigeration, comfort, and electrical.

Royal Aire, Lic provides solutions like Air conditioning, Heating, Solar, Insulation, Water Heating, etc and is based out of USA.

As a globally recognized professional body, everything that Royal Institution of Chartered Surveyors do is designed to effect positive change in the built and natural environments. Through their respected global standards, pioneering professional progression, and their trusted data and insight, RICS promotes and enforce the highest professional standards in the development and management of land, real estate, construction, and infrastructure.

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.

Rubber World Industry LLC was established in 1993 to manufacture a comprehensive and versatile range of technically advanced Rubber NBR Insulation products. Part of the Shaikhani Group of Companies, RWI is a pioneer UAE national enterprise that has become an industry leader in the entire Gulf and South-East Asia region.

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.

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.

Ryf Heating & Air Conditioning, Inc. provides reliable and affordable HVAC services to hundreds of customers each month, with the goal of making them satisfied customers for life. They supply cooling, indoor air quality and heating solutions.