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.

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.

Resideo Technologies Inc. is dedicated to providing its customers with integrated, simple solutions, ensuring homeowners safety, productivity and comfort in their homes.

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 Data Managemen offers a range of over 500 hardware and software products for heating, ventilation, air conditioning, refrigeration, building and energy control applications

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.

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

Reviveaire LLC is a globally renowned manufacturer and provider of advanced air disinfection systems to safeguard indoor environments against airborne pathogens, focusing firmly on innovation and cutting-edge technology.

Revolutionized connect curious minds to the ideas and processes disrupting the world. It is for industry veterans and knowledgeable newcomers looking to discuss the evolution of these sectors. Their goal is to create an ever-evolving thought leadership hub filled with in-depth insights into the latest research and development to create a better tomorrow.

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.

RFTN is a refrigeration and air conditioning company that provides top-notch residential, commercial, and industrial HVAC solutions. With a passion for enhancing indoor comfort and ensuring energy efficiency and sustainability, they offer a comprehensive range of air conditioning services, from installation and maintenance to consulting.

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.

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.

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.

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.

Ridley is a globally renowned Digital Design and Construction Company. They create Digital Buildings and Digital Infrastructure. Their new technologies are sparking a revolution in the built environment. Ridley is a team of architects, engineers, software specialists and thinkers, who challenge the preconceptions of how the industry should work, looking to transform the way in which major projects are delivered.

Riello is a pioneer in products and services for heating, air-conditioning and energy efficiency. Riello is a part of Carrier, a global provider of innovative HVAC, refrigeration, fire, security and building automation technologies.

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.

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.

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.

Rio Heating and Cooling in Burnaby, British Columbia, offers expert AC installation, repair, and comprehensive heating services. As a trusted local business, they ensure comfort during summer and winter. Their tailored services include furnace installation and repair, backed by skilled technicians who diagnose and resolve HVAC issues efficiently. They are committed to delivering precise, reliable, and satisfying results for varied comfort needs.

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.

RIS GreenChill systems are renewable energy systems which bolt onto a van, truck or trailer to run the refrigeration unit via its electric motor on sustainable and renewable power.

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.

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.

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.