The RPA is an international trade association comprised of individuals and companies dedicated to increasing the use of radiant heating and cooling technologies through education and the development of codes and standards language reflecting best practices. RPA manufacturing members produce the tubing, valves, heat sources, emitters and controls used in radiant floors. RPA engineers and architects design high efficiency radiant hydronic systems.

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!

Rawal Devices Inc. is the manufacturer of highly efficient and cost-effective solutions that solve temperature and humidity control problems in industrial, institutional, and commercial building applications.

Red-White Valve Corp. is a manufacturing company that deals with plumbing, commercial and industrial ball, gate, globe, check, butterfly, radiator, regulator and balancing valves in bronze, brass, iron, and stainless steel.

Redi Controls, Inc. is a provider of innovative quality solutions in thermal energy dynamic processes for industrial & commercial applications. Redi Controls also provides consultation for unique system application situations, and have the capability of designing solutions for specialty build customer requirements.

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.

Regin HVAC Products Inc. are manufacturers of leak detectors, draft gauges, damper hardware, humidistats, expansion joints, air leakage testers, relay testers, leak test tools, hygrometers, and voltmeters.

REHAU is a manufacturer of radiant heating/cooling and geothermal systems that distribute energy uniformly and efficiently. All their systems are supported by REHAU's reliable RAUPEX® crosslinked polyethylene (PEXa) pipes.

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.

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.

Ritchie Engineering Inc. offers a complete line of HVAC&R service and installation tools including recovery, vacuum pumps, hoses, test and charging manifolds, gauges, leak detection and electronic testing equipment, and service tools.

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.

Robertshaw has been creating and implementing innovative solutions throughout its history. Robertshaw continues to develop ground-breaking solutions that make products more effective, more efficient, and more attainable. They specialize in air conditioning, cooking. dishwashing, refrigeration, heating products.

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.

Rockwell Automation helps manufacturers to succeed and grow with industrial automation control and information solutions designed to give the customers a competitive advantage.

RVT Group is not an average hire company, work with to understand the full scope of activities on site before recommending a fully compliant health hazard control solution. Specialist solutions include dust control, noise control, fume control, ventilation, heating and cooling, environmental monitoring, water treatment solutions, and confined space equipment.

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.

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.

Sanhua is a manufacturer of HVAC&R controls and components, with a global presence and over 30 years of experience. Working together with the largest companies in the automotive, appliance, and HVAC&R sectors,

Scot Pump is a O.E.M manufacturer that specializes in End Suction Centrifugal pumps. While many of Scot's competitors have a broader product line that encompasses many different types of pumps, Scot has directed its focus on End Suction Single Stage Centrifugals, and boasts to have the best delivery, customer service, and quality in the industry.

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.

Selco Products Co. is a renowned manufacturer of disc thermostats, bulb and capillary thermostats, NTC thermistors, and electronic temperature controls. They also provide custom manufactured assemblies, such as brackets, epoxy over molding, specialty connectors and more.

Semper Fi Heating & Cooling, LLC offers residential air conditioning repair, installation, and maintenance services to customers in the U.S. They want to give all the customers, including the local military veterans, the best deal, the best products, and the best warranty in the cooling and heating business.

Shore Distributors, Inc. are wholesale distributors of HVAC and plumbing supplies across Del-Mar-Va. They have training programs and product seminars too.

Sid Harvey's is a multi-disciplinary distributor company with a network of 76 branches. They handle multiple renowned brands. This company remanufactures HVAC products as well.

Siemens provides quality standard products ranging from valves and actuators to sensors and thermostats. Energy efficiency, easy handling and long lifecycles are among the essential features of every single one of their products. And open communication standards like KNX and BACnet enhance compatibility and easily allow for seamless integration into building automation and control systems.

SIG Group is the globally renowned packaging solutions provider that follows the company's mission of moving towards a more sustainable world.