Rack Engineering Division specializes in manufacturing storage and material handling products specifically designed for high weight capacities and heavy use. Rack Engineering understands that professional storage solutions are an integral element for efficiency and organization in the workplace, and they're proud to provide the highest quality products to the distributors and customers.

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.

Randazzo Heating, Cooling, and Electrical is a Michigan-based company, keeping Michigan residents comfortable since 1988. They are committed to bringing their customers the best heating and cooling options. They are a company on a mission, focusing on offering their customers an optimum level of service!

RDM Products specializes in sheet metal and wire fabrication, welding, and design services. They also deal with condensing unit enclosures, noise reduction panels, shelving, theft-deterrent cages.

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.

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.

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

Refricenter International is a wholesaler/exporter of heating, ventilation and air conditioning parts, supplies and equipment.

Refrigeration Research Inc. are manufacturers of high-quality commercial/industrial refrigeration and air conditioning components. Refrigeration Research uses hydrogen brazing to assemble tanks, which ensures a clean, contaminant-free process – helping to avoid problems. They also provide personal, accessible service.

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

With over 75 years of experience and 18 branches spanning across Western Canada, Refrigerative Supply Limited is now one of the country’s leading distributors of residential and commercial HVAC and refrigeration equipment, parts and tools. RSL continues to invest in providing its customers with fast, personable, and reliable service both in-store and online.

The Retrofit Academy is the driving force in retrofit knowledge and skills: building the supply chain with government, industry & education providers.

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.

RIDGID provides high quality HVAC products for drain cleaning, pipe fabrication, pressing, threading and much more. RIDGID® Wet/Dry Vacs are designed and engineered for best-in-class power, performance and durability. RIDGID shop vacuums are also backed by the best warranty in the industry.

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.

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.

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

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.

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.

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.

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.

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.

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

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.

Scott Comfort Systems in Raleigh, NC is a premier HVAC contractor for all your heating and cooling needs. They provide high-quality installation and service of air conditioning and heating systems for residential and commercial customers in the Triangle region.

The Scottish and Northern Ireland Plumbing Employers Federation (SNIPEF) is the principal trade association for plumbing and heating businesses based in Scotland and Northern Ireland. Since 1923, SNIPEF has represented the best interests of the plumbing and heating industry, from sole traders to large-scale businesses. SNIPEF also manages the training of plumbing apprentices, ensuring a skilled workforce in the future.