Pro Temp Air DFW is a locally-owned and operated HVAC company servicing Dallas-Fort Worth Metroplex and the surrounding areas. The company was built on the following mission statement: To be recognized in DFW as the most professional HVAC services company and to ensure their indoor air quality comfort experience all year round.

PART provides IAQ specialty cleaning services to commercial and industrial clients throughout the Midwest and has conducted numerous large projects in the Eastern United States. PART’s management team and project supervisors are certified members of the National Air Duct Cleaners Association (NADCA).

Propous is one of the largest independent suppliers of gas and oil burner’s spare parts, valves, air heaters, and HVAC products. The success of the company can be attributed to its efficiency, reliability, technical knowledge and an understanding of the customer’s requirements.

ProtoCool has evolved to offer air conditioning and ventilation to homes and businesses across the south, specializing in keeping families comfortable all year round.

PROVENT is a developer and a manufacturer of innovative solutions that improve the productivity and profitability of commercial kitchens.

PTubes, Inc. is the US subsidiary of Feinroren S.p.A. - Italy. They are a renowned manufacturer of copper refrigeration coils, pipe and pre-insulated copper coils for the HVAC industry.

Pueblo has grown to one of the largest, most multifaceted mechanical contractors in Arizona. It performs a broad offering of HVAC, Plumbing, and Controls installation, maintenance, and repair services for governmental, industrial, commercial, and healthcare facilities throughout Arizona.

Established in 1969, Purafil is a globally-renowned provider of molecular air filtration and indoor air quality (IAQ) solutions. They also provide a wide range of air filtration, air conditioning, odor control, corrosion control, toxic gas filtration, monitoring and chemical filtration solutions.

PureAC is the first automated disinfecting device for window & wall-mounted air conditioning and heating systems that instantly kills and inhibits mold, mildew, bacteria, and germs. It's the perfect solution for in-between professional servicing.

Puretec is a globally renowned manufacturer of the highest standard of water filters. Their dedication to delivering a wide range of leading-edge products with seamless backup ensures a complete guide to water filtration. Puretec products come with class-leading warranties, are of impeccable quality and are true to their tag line “perfecting water”.

With headquarters in Phoenix, Arizona, PuriFi Labs is committed to bringing safety and security back to the world by purifying indoor air and surfaces for homes and businesses. PuriFi Lab’s patented technology was rigorously researched and tested in varied applications for more than two years before being made available to consumers.

Qolsys Inc is a pioneer residential and commercial security and smart-home manufacturer. They provide smart thermostat, video monitoring, energy management and home automation.

Quality Comfort Home Services (formerly Quality Comfort Heating & Cooling) based in Cincinnati, OH offers a diverse range of HVAC services to residential and light commercial clients. Their expert HVAC services include air conditioner and furnace repair, heating and cooling maintenance, new furnace, heat pump or AC installations, ductless mini split ACs and more.

Qualityair Engenharia started offering maintenance services in building installations, covering the areas of Air Conditioning, Electrical, Hydraulics and Civil. They provide Building Maintenance, Engineering, HVAC Maintenance, Technical Assistance in Air Conditioning, Air Conditioning Installation, Maintenance in VRF System.

Quantech has a proven track record of delivering high-performance chillers with speed, efficiency, and reliability in mind. They are led by the customers and work tirelessly to provide optimized HVAC solutions that address the facility needs. They provide smaller, lighter, quieter chillers resulting in lower installation costs.

QEL is a pioneer in manufacturing toxic and combustible gas detection equipment. With a diverse product offering, they are able to satisfy both commercial and industrial toxic and combustible gas detection applications.

Quest Controls Inc. is a leading designer and manufacturer of intelligent automation systems (hardware and software) for small, medium and large buildings intended to deliver major energy savings. Quest provides telecommunications with remote monitoring for power and battery capacity, control of main door access, intelligent lead/lag, control and monitoring of HVAC systems, gas monitoring, telephony equipment monitoring, environmental monitoring,

Quilt offers AI-driven efficiency and room-by-room control, all while leaving fossil fuels behind.

R. Williamson & Associates has been providing industry with clean, comfortable air. They provide an interactive experience, having engineers and technical sales representatives on staff with more than 135 years of air systems design experience.

Ranger Pumps is a privately held corporation that was founded in 1989 in Memphis, Tennessee. Ranger has become a domestic and international pump supplier. They pride themselves on manufacturing pumps in the USA from parts made in the USA.

Rapid Water Technologies' patent-pending nanobubble generator removes and prevents the buildup of biofilm in commercial and industrial water use.

RATH has specialized in base materials and finished products for the refractory sector. Individual design and the highest quality of the products - that's what their customers appreciate.

Ronald Chambless has owned RC's A/C & Heating since 1994 when he began his company from his home functioning from the back of the little Mazda pickup.

REFCOLD India is an initiative of ISHRAE & NurenbergMesse India, which has been actively working towards growth Refrigeration & Cold Chain industry with an objective to bring forward the best technology solutions and increase the overall growth of this sector.

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

Refrigeration Design Technologies (RDT) designs and manufactures refrigeration systems for food service operations. RDT has equipment in many restaurants, hotels, casinos, universities, hospitals, prisons, corporate dining facilities, sporting stadiums and theme parks.

Refrigeration Equipment Specialist is a manufacturer's representative warehousing and technical sales of refrigeration for low, medium temperature applications - Freon, Ammonia, CO2 -to refrigeration contractors.

REFTECO offers a wide range of tailor made chillers suitable for industrial refrigeration, commercial refrigeration and process cooling (oil & gas industry, ice rinks, etc.). The product lines are available for indoor or outdoor installations and for ammonia or HFC refrigerants. All product ranges are designed to provide low energy consumption, reduced refrigerant charge and low maintenance cost.

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.