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.

Renew East Ltd was born with the aim of having a positive effect on the environment and making sustainability accessible to all. It aims to simplify the process of installing an air source heat pump in the home while providing exceptional and innovative service to customers.

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.

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.

Richmonds Plumbing & Heating Merchants Ltd have extensive experience in the plumbing and heating trade to provide excellent customer service. Its many loyal and long-standing customers are a testament to its success in ensuring that it consistently adheres to be a guiding principal.

Rightio are a nationally recognized home maintenance company committed to doing things right. They have a trusted network of highly qualified engineers across the UK that complete over 10,000 repair and service jobs ever month.

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.

Rite manufactures and provides Low and High Pressure Steam Boilers, Hot Water Boilers, Blow down Tanks, Boiler Feed System, Water Softeners, Chemical Feed Systems, and more.

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.

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.

Robertshaw Climate is an industry pioneer in HVAC line voltage, low voltage mechanical, digital, and communicating thermostats for the residential and light commercial marketplaces.

Robertson Heating Supply Co. is an 81 year old family owned Midwest regional HVAC and plumbing distributor serving the Ohio, western Pennsylvania, West Virginia, northern Kentucky and Michigan markets with 31 current locations.

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.

ROBUR S.p.A offers single phase, gas-fired absorption heatpumps, chillers and chiller-heaters for residential and commercial comfort conditioning and industrial process cooling applications.

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.

Romaniuk Heating and Air Conditioning is a locally owned and family-operated business. After 30 successful years, it understands that delivering a high-quality product with superior customer service is the only way to reach goals and continue to grow within this highly competitive industry.

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

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.

RYCOR HVAC is a family-owned and operated business, exclusively specialized in single and multizone ductless heat pump installations.

Sales ​​Engineers Inc. is a manufacturers' representative selling to the heating, plumbing and specialty refrigeration markets. Their emphasis is on distributor oriented business with a contractor/dealer focus. They represent the following manufacturers: Purolator, Broan-Nutone, Gastite, Nortek Global HVAC, First Company, Lenox, Hilmor, Shurtape, and Thermaflex.

Mfrs. reps. covering six New England states and calling on hydronic, HVAC, burner supply and plumbing/heating wholesale distributors for residential and commercial applications.

Salina Supply is a full service HVAC supplier stocking Arcoaire equipment. They offer dealers two technical service meetings per year and design and layout services.

Salix Finance supports decarbonization and energy efficiency in the public sector by providing funding, support and expertise.

Samm's Heating and Air Conditioning was founded on the five fundamental principles of honesty, professionalism, punctuality, cleanliness, and superior customer service.

Sanders Supply Inc. is a distributor of HVACR Supplies in Arkansas since 1978 with plumbing and electrical at some locations. They also extend their customer base to the World Wide Web by opening ShopSanders.com.

Savage & Sons (Electrical) Ltd is a family owned company and was formed in 1980, the company has continually grown since then and specializes in many types of electrical installations. They offer a wide range of electrical installation services to a wide ranging client base. Over the years, the company has grown and updated to provide the very best in modern services to the industry.

SAWIN Service Automation, Inc. is a provider of turn-key business solutions designed specifically for the service and installation industry since 1984. They provide a wide range of HVAC solutions, including heating and cooling, refrigeration, plumbing, security alarms and building automation systems.