Quality Sheet Metal offers a variety of services involving both sheet metal and air conditioning. Quality Sheet Metal's goal is to provide homeowners with the help to utilize their heating and cooling systems in an efficient way.

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.

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

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.

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.

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.

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

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.

Redwood Services' mission is to support its local partners with shared resources, access to capital and best-in class operating systems and processes – all designed to drive long-term, profitable growth. Founded in 2020, with the backing of the Union Main Group, Redwood Services is actively investing in ‘mission critical’ home services companies, including HVAC, plumbing, and electrical.

Refresh Smart Home is a globally renowned Nest Pro Elite firm and a Top Rated Nest Pro Elite Installer that provides smart home, home automation, indoor air quality and green air solutions.

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.

Refrigeration Wholesale provides one stop shop for all HVAC and Commercial Refrigeration parts and Equipment. They carry a large variety of air filters including specialty filters like Air Bear.

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.

Since 1961, Reliable Louvers has been supplying architectural and mechanical louvers for the construction and hospitality industries. With a state-of-the-art paint and anodizing finish lines, in-house full-service sheet metal shop and a full-time engineering staff, they have the capabilities to meet any needs.

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.

Rensair is a specialist in air purification, protecting, and enhancing lives through clean air. Its patented technology combines H13 HEPA filtration with germicidal UVC light, was developed to meet the strict standards of Scandinavian hospitals, and is independently validated by scientific research laboratories. Rensair air purification units meet all the standards recommended by the US EPA and UK SAGE committee in their respective reports.

Rescue Air Heating and Cooling is focused on providing residential HVAC installation, repair, and maintenance throughout all of North Texas. They have upfront, no surprise pricing, so their customers know exactly what they’re paying for in advance. They're based in Richardson, Texas with a focus on Dallas, and are proud to serve all of the DFW Metroplex.

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.

Resource Innovations is a women-owned, community-focused environmental consultancy working to transform the model of resource efficiency and create sustainable impacts that benefit everyone. With deep roots in energy efficiency program design and implementation, Resource Innovations is a renowned player in the HVAC industry with innovative program solutions, working with community organizations toward a collaborative economy.

REYMSA Cooling Towers has been in the cooling tower business for 50 years and offers the best Non-Corrosive Cooling Tower on the market. All of our towers are CTI Thermal Performance certified.

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.

RGF Environmental Group Inc. a manufacturer of air, water, and food purification systems. They offer a broad range of patented and patent pending air purification technologies and solutions to almost any airborne problem, condition or application.

Rhodes and Stafford is a company that serves as a representative of companies like Diversitech, Southwark Metals, Berry Global, J. P. Lamborn, Uni-Weld, Hardcast, Glasfloss Industries, Honeywell Genesis Cable, Truaire, Soler&Palau, Fujitsu, JB Ind., Builder's Best, Pro1, Trion.

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.

Rio Heating and Cooling in Burnaby, British Columbia, offers expert AC installation, repair, and comprehensive heating services. As a trusted local business, they ensure comfort during summer and winter. Their tailored services include furnace installation and repair, backed by skilled technicians who diagnose and resolve HVAC issues efficiently. They are committed to delivering precise, reliable, and satisfying results for varied comfort needs.