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.

PT Prima Solusi Jayantara, a company that engaged in importation, general trading and service engineering products, spare parts and supporting material also contracting. They supply air conditioning systems, chiller plant control, water heater, HVAC plumbing, lightening protection, building automation system and much more.

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.

QleanAir knows the difference that air quality can make to the overall health and effectiveness of people, products, and processes. They also understand the sense of security that comes when an individual knows they are breathing clean air. They deliver a hassle-free solution with guaranteed functionality over time. They tailor the solution after analyzing your specific needs.

Introducing the industry’s highest efficiency, highest power factor, money-saving electric fan motor for refrigeration and HVAC applications. Q-Sync circuitry operates the motor at the same frequency as the AC power line and eliminates the AC to DC power conversions from its circuit (no AC-to-DC rectifier, no DC link, and no DC-to-AC inverter)

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 Compressor has been providing remanufactured compressors and parts to the HVAC/R industry since 1984. They offer knowledgeable and courteous customer service and technical support both before and well after the sale.

Quality Heating & Air is an expert in HVAC services. They offer retro install estimate, air conditioning repair, heating and cooling services, or emergency heating and cooling repair. With over 15 years of knowledge and experience in the heating & cooling industry, they have all HVAC service needs covered. They are family-owned and operated HVAC contractor dedicated to providing comprehensive heating and cooling solutions.

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.

Quantum Group is a decarbonization specialist and renewable training provider. Its decarbonization division offers bespoke energy-saving and low-carbon system designs and installations for the built environment. In parallel, its renewable training business provides a range of training products and services dedicated to accelerating the transition to a Net Zero workforce.

QuoteSoft is now part of Construct Connect, a fast-paced market leader of preconstruction project data, contractor network, and software in North America. They provide the largest network, the most robust project data, and industry-leading tools for mechanical estimating. QuoteSoft joined Construct Connect in 2018 after nearly 30 years of supplying powerful, purpose-built tools for the mechanical, piping, plumbing, HVAC, and ductwork industry.

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!

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.

The Rawal APR Control provides continuous capacity modulation for all sizes and configurations of air conditioning systems. By matching system capacity to continuously changing load conditions, the APR Control-enhanced system is able to maintain better comfort conditions, as well as provide a number of unique solutions that standard air conditioning systems (usually below 100 tons) are unable to achieve.

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.

Over its long and prestigious history, RED-WHITE VALVE CORP. (RWV) has maintained a significant presence in the plumbing, commercial, industrial and HVAC markets.

Reece Group offers a wide variety of products to reputable brands supplying mechanical services, air conditioning, spare parts and heating and cooling. They also provide dedicated support and technical expertise for their products.

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

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.

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.

RefriPRO offers system sales and maintenance services that guarantee optimal air conditioning in the environments, providing fresh and clean air, thus increasing the quality of life and improving the work environment.

RegaVent offer a range of MVHR units, ducts and accessories to suit a range of projects and construction types. Rega offer a free no obligation design service, just send plans of the project and they will produce a layout and quotation specific to their requirements.

REHVA is The Federation of European Heating, Ventilation and Air Conditioning associations founded in 1963. REHVA's mission is to develop and disseminate economical, energy efficient, safe and healthy technology for mechanical services of building; to serve its members and the field of building engineering (heating, ventilation and air conditioning) by facilitating knowledge exchange.

Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing, and electrical services, indoor air quality, duct cleaning, insulation, and home and building performance for both residential and commercial customers.

RWC and its family of brands develop safe, sustainable, and efficient solutions to help shape a better world. We engineer and innovate products to integrate seamlessly within the modern built environment. RWC and its family of brands transform performance and efficiency for plumbing and heating, smart homes, and specialist industries around the world.

Renewable Equipment Solutions (RES) specializes in the design and supply of bespoke renewable equipment for domestic and commercial premises across the United Kingdom (UK). They offer industry-renowned equipment, comprehensive system designs, and expert technical support. They are a MCS accredited, HEIS consumer code member, TrustMark registered and NICEIC approved company.