Since 1997, Powered Aire has specialized in manufacturing stainless steel air curtains. Their product line has evolved since the early years but the foundation has remained unchanged. American-made quality, innovation, leadership, service, and community are the company's core values.

Powers is the largest privately held Building HVAC, Controls, and Service company in the state. With almost 300 highly trained employees, including more than 200 installation and service technicians, Powers offers a full range of Building HVAC Systems technologies. “Powers-HVAC” sums up the role in helping customers.

PSR Mechanical, established in Seattle in 1945 serves clients throughout the Puget Sound Region. PSR is a division of Service Logic, the largest privately held Energy and HVAC Mechanical Services Companies in the United States.

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.

QE QUALITY is a fully integrated design, manufacturing, and distribution company in the HVAC/R industry. They also offer copper tubing, cold controls, copper fittings, contactors, fan blades, hard start kits, motors, thermostats, timer defrost controls, transformers, vibration eliminators.

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

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.

REFCO Manufacturing Ltd. manufactures HVAC/R service products and mini split condensate pumps.

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.

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.

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.

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.

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.

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.

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.

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.

Rushing is an MEP (mechanical, electrical & plumbing) engineering and sustainability consulting firm offering a full spectrum of integrated services which includes energy analysis, lighting design, and commissioning. They provide Mechanical engineering, electrical engineering, plumbing engineering, sustainability consulting and much more.

Ruskin is a manufacturer of innovative air control products, including manual, fire, smoke, combination fire/smoke, and industrial dampers, louvers, air measuring stations, sound attenuators, diffusers, and Energy Recovery Ventilators.

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,

Sauer is the full service Mechanical Contracting Company providing HVAC, Industrial Piping, Plumbing, Instrumentation, and Maintenance Services. Sauer Group is a division of Sauer Holdings Inc., headquartered in Pittsburgh, Pennsylvania.

SCI USA provides HVAC solutions for all manner of systems controlled by thermostats including Fan Coil systems, Building Automation, remote Telephone Controlled Thermostats, Fan Cycler Thermostats and Flush mounted designer thermostats.

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.

Sensata Technologies is a pioneer suppliers of sensing, electrical protection, control and power management solutions. Sensata's products improve safety, efficiency and comfort for millions of people every day in automotive, heating, air-conditioning and ventilation, data, telecommunications, recreational vehicle and marine applications.

Sensibo designs cooling products that connect existing and new air conditioners to the Internet of Things (IoT), learns and adapts to the user and the environment, maximizing comfort and energy efficiency.

Service Plus is a customer-service focused heating, cooling and plumbing company with a client base dating back to 2003.

The Shafer Services Plus family (Shafer) has been a pioneer in building and servicing San Antonio’s public and private heating, cooling and plumbing infrastructure for more than a century.

Sherwood Products, Inc. is the manufacturer of the Stat-Gard, a locking thermostat cover in three different sizes. The guard is made of polycarbonate, a space age high impact plastic, the same material NFL football helmets are made of. In addition, the unit is tamper resistant and self-locking.

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.