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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.