Rhoss is a company specialized in the design and production of air conditioning and air handling products and systems. For more than 50 years, Rhoss has been a guarantee for innovation, quality and top level service.

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.

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.

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.

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 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.

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.

At River Valley Construction, excellence and integrity are at the core of everything they do. User satisfaction, comfort, and peace of mind are their top priorities.

RLS Logistics is a third-generation family-owned third-party logistics provider (3PL) specializing within the cold chain. The company is a frozen & refrigerated temperature-controlled logistics provider offering LTL and TL transportation, cold storage warehousing, and e-commerce fulfillment services.

RoadRunner Wraps offers professional commercial vehicle wraps that drive brand visibility. They also specialize in commercial wall wraps, commercial truck wraps, and fleet vehicle wraps to help enhance the brand's presence. They are very proud of their 20-year history of helping companies of all sizes in the Washington DC – Baltimore area and beyond.

Robert Madden Industries is a heating and air conditioning wholesale distributor offering Carrier, Bryant, Payne, and Day & Night equipment and parts, as well as a generous line of supplies.

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.

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.

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.

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.

Robuschi was founded in 1941 and has been growing ever since. They believe firmly in innovation and investing in modern machining systems and state-of-the-art production processes. They are proud to be recognized amongst the global leaders in the production of oil-free compressors at low pressure, lobe blowers, liquid ring vacuum pumps, and centrifugal pumps.

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

ROCKWOOL Limited are the local organization offering advanced building insulation. ROCKWOOL HVAC Systems Guide is their latest comprehensive handbook covering all of the HVAC solutions – putting the essential technical information one needs for specifying effective HVAC insulation all in one place.

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.

Rogers’ Advanced Electronics Solutions (AES) business delivers advanced material solutions to solve design issues such as signal integrity, Radio Frequency (RF) signal management, power efficiency, power distribution and thermal management, to deliver improved device and system reliability. These solutions include high-frequency laminates, bondplys, prepregs, cooling solutions, ceramic substrates and busbars.

Since 1989, Romaniuk Heating & Air Conditioning has been providing the Edmonton area in Alberta, Canada, with expert HVAC installation, repairs, and maintenance.

Rooter Hero Plumbing & Air of Sacramento is the top-most AC repair in West Sacramento. They offer a wide range of services, including plumbing, ac repair, and many more. They have a qualified team who have excellent skills.

Rotobrush International is a market pioneer in providing contractors, businesses and entrepreneurs with indoor air quality and energy efficiency solutions.

ROTRONIC is a manufacturer of humidity, temperature control instrumentation and CO2 for HVAC and semiconductor applications.

Royce Industrial Compressor provides Industrial hermetic, semi-hermetic, open drive compressors and compressor units from 1 to 150 h.p.

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.