QuietCool - QC Manufacturing, Inc is a manufacturer of the patented QuietCool whole house ventilation system - a quiet and energy efficient companion appliance - or alternative to - expensive air conditioning usage.

Quigley Heating and Air Conditioning is a 3rd generation family-owned HVAC company, offering air conditioning repair and heating repair in the Dallas, Texas area since 1944.

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

Quincy Compressor recently acquired the Midstate Air Compressor location in Berlin. They are a dedicated air compressor supplier that works with multiple industries, including aerospace, food and beverage, manufacturing and energy. Their quality systems can meet the demands of any operation.

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.

Qvantum offers heat pumps for the next-generation heating and cooling technologies that enable the decarbonization of the cities.

R & Y A/C Compressor is the leader in A/C Auto Parts, providing quality car air conditioning parts & services. They manufacture & distribute variety of replacement mobile climate control products like compressors, driers/accumulators, evaporators, condensers and more.

RLines is a Manufacturers Representative corporation serving the HVACR marketplace. They represent numerous manufacturers providing; Air Distribution, Ventilation, Indoor Air Quality, Equipment and Controls, Parts and Supplies.

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.

The R.E. Michel Company was founded in Baltimore, Maryland in 1935 as a supplier to the home heating oil burner industry. Still family owned and operated, they have grown to be one of the nation's leading wholesale distributors of HVACR equipment, parts and supplies.

RAC Sales Inc. are representing manufacturers of HVAC/R equipment and supplies to wholesalers in multiple states.

Rack Engineering Division specializes in manufacturing storage and material handling products specifically designed for high weight capacities and heavy use. Rack Engineering understands that professional storage solutions are an integral element for efficiency and organization in the workplace, and they're proud to provide the highest quality products to the distributors and customers.

Radialight provides HVAC solutions like heating and air conditioning and is based out of Italy.

The RPA is an international trade association comprised of individuals and companies dedicated to increasing the use of radiant heating and cooling technologies through education and the development of codes and standards language reflecting best practices. RPA manufacturing members produce the tubing, valves, heat sources, emitters and controls used in radiant floors. RPA engineers and architects design high efficiency radiant hydronic systems.

Rahn Industries manufactures a full range of fin and tube heat exchangers including chilled and hot water coils, glycol coils, booster / reheat coils, evaporator coils, condenser, steam and other exact fit OE, custom and severe duty coils that are guaranteed to fit and perform. Rahn Industries is AHRI certified; UL listed and have ETL certification for fan coils.

RAKtherm, the piping solutions provider with global distribution networks is under the flourishing arm of renowned group Hashim Industry since 1963. Manufacturing the world’s most versatile and comprehensive piping solutions for diversified applications conformed by the international certifying bodies of CSTB, DVGW, SKZ, HY, CARSO, and TUV.

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.

Established in February 2020, Rapid Energy is a dynamic business operating in the UK temporary HVAC sector. It designs and builds high-end, efficient temporary heating equipment for hire in the commercial, industrial, and public sectors.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

Rapid Locking System (RLS) LLC designed, engineered, patented, and developed the first press-to-connect fittings for the HVAC and refrigeration industries. With many millions of RLS fittings installed worldwide and nearly 6 years of successful field use, RLS is the only line of press-to-connect fittings proven to stand the test of time in high-pressure HVAC/R applications.

Rapid Recovery provides refrigerant recovery services for the HVAC, refrigeration, demolition, and marine industries. Projects range in size from single residential split systems to chilling systems operating on tens of thousands of pounds, to projects with thousands of units.

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.

Rathe Associates offers services like applications, provide technical backup, and field support int he HVAC industry and deals with Commercial Boilers & Water Heaters, Hydronic Heating Accessories & Controls, Radiant Heating & Snow Melting, Commercial Radiation, Pumps & Circulators and Steam Specialties & Controls.

RAW Heating & Plumbing offers superb service, clean and efficient solution to fix any plumbing and heating issue. They are a Viessmann approved installer, they also fit any brand of boiler one wishes ensuring it meets the latest safety standards.

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.

Rawal Devices Inc. is the manufacturer of highly efficient and cost-effective solutions that solve temperature and humidity control problems in industrial, institutional, and commercial building applications.

Raypak Inc. is a company that offers heating and hot water supply boilers, hydronic heating systems, swimming pool and spa heaters.

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.