Carlisle HVAC Brands is a unified family of the best HVAC products and solutions. Dynair, Hardcast, and Gripnail are storied brands with a history of high-quality products and high-quality customer service.

CASPR (Continuous Air & Surface Pathogen Reduction) Group is a health-tech company on a mission to make the world indoors a better place. As the front-runner in smart environmental indoor technology, the solutions work to ensure the air we breathe is the healthiest it can be, living out the well-being and enhancing the performance in the process.

Founded in 1973, Century A/C is the distributor of Ruud and York equipment providing 'service beyond expectations' at its 24 Texas locations. They are a wholesale distributor of HVAC equipment and supplies whose mission is to be an employee-driven company providing customers with service beyond expectations.

Christmas Air has always been great to work with as they offer regular maintenance for HVAC equipment and valuable discounts on their services and new equipment. They offer free estimates for heating & air conditioning equipment replacement.

Classic Heating & Air is a full-service, family-owned, and operated heating and air conditioning contractor dedicated to serving HVAC needs. They have plenty of service trucks constantly buzzing the metroplex so their technicians are never far away.

Easily installed in new or existing heating and cooling systems, Clean Comfort whole-home solutions work invisibly, silently and automatically to treat and filter the air in homes. Whole home air cleaners by Clean Comfort help protect and maintain the efficiency of central heating and cooling system by eliminating the build-up of dirt, dust and other pollutants. Clean Comfort humidifiers and dehumidifiers can make the air feel warmer and cooler.

CLEAResult is the largest provider of energy efficiency, energy transition, and decarbonization solutions in North America. Since 2003, its mission has been to change the way people use energy. Now experts lead the transition to a sustainable, equitable, and carbon-neutral future for the communities and the planet.

Coastal HVAC Supply is a privately owned and operated Wholesale Heating, Air Conditioning and Air Quality products distributor serving the greater Houston area.

Cody & Sons is a family-owned and operated HVAC service company, specializing in residential plumbing, heating and air repair and remodels.

At Cold Shot Chillers, manufacturing of standard and specialized custom industrial chillers has been their mission since the early 1970’s. High-quality, reliable equipment and company-wide customer service and support separates Cold Shot Chillers from other manufacturers.

Comfort Systems USA is a national heating, ventilation and cooling (HVAC) company that offers a single company to provide complete HVAC service, anywhere, anytime.

Comfort Systems USA is a national heating, ventilation and cooling (HVAC) company that offers users a single company to provide complete HVAC service, anywhere, anytime. While Comfort Systems USA is young, our companies average nearly thirty years of experience each.

Compressors Unlimited has been supplying new and remanufactured commercial compressors since 1985. But their highly-trained and qualified professionals have over 135 years of combined experience in the technical and practical field of commercial compressor remanufacturing. Currently, they remanufacture different compressor makes and models for both small- and large-scale commercial air conditioning and refrigeration applications.

Founded in 2015 by a team of experienced engineers, Cool Techies is dedicated to providing Houston homeowners with exceptional HVAC system optimization. At Cool Techies, they understand the importance of a properly functioning HVAC system for total home comfort. Unlike other companies that may lack in-depth knowledge of HVAC systems, their team of HVAC experts takes a personalized approach.

CSW Industrials is a diversified industrial growth company with a portfolio of industry-leading businesses in Industrial Products and Specialty Chemicals. Their products include mechanical products for heating, ventilation and air conditioning (HVAC) and refrigeration applications; coatings and high-performance specialty lubricants.

D.T.M. Heating And Air Conditioning proudly serves Dallas - Fort Worth Metroplex, Texas area. As a trusted and reliable HVAC contractor, they specialize in a variety of HVAC installations. They offer comprehensive services including AC repairs, AC installations, thermostat services, heat pump repair, and gas furnace repair. Their expert technicians deliver exceptional service using top-quality parts and equipment.

Daikin is a leading innovator and worldwide provider of advanced, high-quality air conditioning and heating solutions for residential, commercial and industrial applications. In their nearly 90 years of operation, Daikin has sold millions of systems throughout 90 countries. It is their commitment to quality, service and innovation that has allowed them to become the largest manufacturer of HVAC systems and refrigerants in the world.

Dallas Plumbing Company is a family-owned commercial and residential HVAC and plumbing company based in Dallas, Texas since 1903. They have sold, installed, maintained and repaired thousands of air conditioning systems across the Dallas area.

David Services Inc. provides heating, cooling, heat pump, furnace & air conditioning installation, repair & maintenance in Lancaster and the surrounding areas.

Davis Air Conditioning and Heating provides heating and air conditioning repair, service and maintenance in Houston, Sugarland, Pearland, Pasadena, Stafford, Angleton, TX, and the surrounding area

DCM Manufacturing, Inc., a Dreison International Company, is a recognized pioneer in manufacturing, sales and service of OEM products for the mobile HVAC and industrial heat transfer markets. Dreison International began operations in 1976. Corporate offices are in Cleveland, OH, and Grand Prairie, TX.

Delta T Equipment provides quality warranty and start-up services for our HVAC and Plumbing Manufacturers offering the best response times. They are specialists in the Southeast Texas HVAC and Plumbing market.

Devard's Air Conditioning & Heating, Plumbing and Electrical offers affordable, reliable, energy-efficient, commercial and residential plumbing, air conditioning, heating and air conditioning units for the Dallas - Ft. Worth area with their '100% customer satisfaction policy', which is their company motto and what has led to their success.

DFW IT Partner is a Reliable IT Partner providing one-stop IT solutions in Dallas, Austin, Fortworth, Houston, and San Antonio, Texas, USA. They provide businesses with the expertise, resources, and support needed to drive innovation and stay ahead of the competition in today’s fast-paced digital landscape. By working with them, businesses can achieve their technology innovation goals more efficiently and effectively.

Since their company's beginning in 1946, they have been dedicated to providing exceptional service and superior heating, ventilation and air conditioning service and systems to East Texas residents at home and work. Customer satisfaction is their #1 priority.

Dring Air Conditioning & Heating is a family-owned business which makes them a rare breed in this era of big box stores and Internet commerce. They first opened their doors in 1953, and as their core of loyal HVAC heating and cooling customers has grown, their area of service has expanded.

DT Air Conditioning & Heating is Texas' renowned expert heating and cooling company. They offer furnace and air conditioning services in and around Plano, Texas, USA.

Dust Free manufactures a wide variety of air purification equipment designed to help allergy patients in both residential and business locations. They also provide Ultra-violet (UVC) residential and commercial fixtures, Electrostatic air filters, room air purifiers, ceiling mounted air purification systems, industrial fan powered air cleaners, ultra-violet light fixtures and many more.

Ecohillers have been Involved in a wide range of applications and markets. have the knowledge of what works and what questions to ask to ensure optimal operation and integration of system.

Elite Software is the premier software developer for HVAC, electrical, plumbing, and fire protection design software. Over 30 programs are offered for such applications as HVAC load calculations, building energy analysis, HVAC duct and pipe sizing, plumbing & lighting design, fault current calculations, voltage drops, fuse and breaker coordination, and much more.