American Gas Association, founded in 1918, represents more than 200 local energy companies that deliver clean natural gas throughout the United States of America (USA).

Amtech is a renowned provider of ceiling mounted temperature and humidity control systems. They also stock packaged and split commercial ACs, condensing units, heat pumps, and MUA Units.

Anton’s is a full-service HVAC and plumbing company serving St. Louis and the surrounding areas. With over 40 years in business, this family-owned company is dedicated to serving their community with high-quality services at affordable prices. Moreover, their Proud Independent Trane Dealer status and NATE-certified technicians ensure that customers get not just reliable, but also quality service with each and every visit.

Apex Controls was opened in 1990 with a goal to distribute commercial HVAC and industrial control products with the distinction of offering exceptional service to every customer. For the past 30 years, quality service and competitive pricing have made Apex Controls an industry pioneer in HVAC distribution.

Aprilaire designs, manufactures and brings to market a range of whole-home indoor air quality (IAQ) solutions. Their product line includes humidifiers, air cleaners, fresh air exchangers, zone control systems, electronic thermostats, air filters and related equipment, dehumidifiers, HVAC automation equipment including communicating thermostats, communication panels, software.

Arabian Air Conditioning Manufacturing Company (AMCO) is one of Almalki Group Holding company in Qatar. AMCO is partnering with ACS Klima as joint venture under the brand of CLIMACS. AMCO is established to supply the needs of Qatar, Bahrain, Kuwait, UAE, Jordan, Egypt and other middle east countries in air conditioning sector.

ARC Thermal (ARC Thermal Products) specialize n energy efficient infrared, electric underfloor and pipeline heating for a wide range of commercial and domestic applications. They are the sole UK distributor for ETHERMA products, which are manufactured and certified in Austria and Germany to the highest European standards.

Armstrong International provides intelligent system solutions that improve utility performance, lower energy consumption, and reduce environmental emissions while providing a comfortable experience. They are innovators and globally leaders in intelligent system solutions for steam, air, and hot water.

Arrow Heating & Cooling has been offering the best air conditioning and heating services to the Columbus,Ohio area for over 30 years.

ASHRAE Spain Chapter is the official chapter of the American association ASHRAE in Spain and has been integrated into Region XIV of Europe since 2017. The chapter was founded in 2007 with the aim of promoting and disseminating ASHRAE technical resources in Spain.

ASPEQ Heating Group is the strategic accumulation of high quality electric heater manufacturers for the Industrial, Commercial and Military/Marine industries. ASPEQ provides tailored solutions for industrial and commercial electric heating markets primarily in North America. They continually strive to enhance the growth of their customers and the value they add to their customers.

B&B Air Conditioning provides facilities such as service, repair and install all of the best brands of heating, cooling, indoor air, and comfort systems in the market. They also provide HVAC services such as AC services, heating services, indoor air purification, comfort systems, water heaters, thermostats, commercial HVAC and much more.

Baker Brothers Plumbing, Air, & Electric is a full-service licensed and insured contractor that has been serving the greater DFW area since 1945.

Bangor HVAC is a trusted heating and cooling contractor serving Bangor, ME and nearby areas. They provide furnace cleaning, oil burner service, heat pump maintenance, and complete HVAC repair. From emergency service calls to seasonal tune-ups and system installations, our team delivers reliable, energy-efficient solutions. Count on Bangor HVAC for honest service, fair pricing, and year-round comfort.

Be Cool Air Conditioning & Refrigeration has over 20 years of experience in air conditioning and commercial refrigeration. Their accredited team provides reliable installation, repair, and maintenance services. They prioritize efficiency and customer satisfaction, ensuring that systems operate smoothly and effectively.

Bennett Heating and Air offers many different AC and Heating services for both businesses and also homeowners in Purvis. They provide the best heating air conditioning repair, perform a thorough evaluation of your home or business and also recommend system sizing and efficiency that meets your needs and offer the best service agreement programs in the business.

Biochemica Water is the largest independently owned water treatment company, providing water and wastewater treatment services for a wide range of industries. A well-trusted water treatment expert, Biochemica Water has a superior technical understanding of the important role safe, clean and protected water plays in processes across all industries.

From integrating an energy efficient, wall or concealed ceiling air-conditioning system for a small office to a fully environmental zone controlled cooling, heating and ventilation system for a commercial premises - Blueflame have the relevant technical expertise, engineering experience and solutions for customers.

Bob’s Heating & Air Conditioning distributes furnaces and air conditioners to indoor air quality systems and peripheral smart accessories etc. They are also a Bryant Factory Authorized Dealer,

Breezy KC believes that an HVAC unit is a single working system, that should work in harmony with each other, and should not be pieced together. But to be Repaired or replaced as a whole, to keep the whole HVAC system running smoothly and together. When doing HVAC Repair we look at all connecting systems, to make sure there are no other issues that could cause more problems for you in the near future.

With over 110 years of experience, Briggs & Stratton is trusted by millions of people around the globe and backed by the largest service network in the industry. World's largest small engine producer, the pioneering marketer for pressure washers, and a pioneering manufacturer of power generation, lawn and garden turf care, and job site products.

Made in America products are made in the USA and our coating is applied by our highly-skilled Craftspeople in Northeast Florida. Bronz-Glow for your coatings take great pride in providing every customer a customized coating quote.

BSA LifeStructures is an interdisciplinary design firm creating inspired solutions that improve lives through architecture, engineering, interior design, and planning services. With national expertise and regional leadership, BSA designs LifeStructures – innovative and inviting spaces that not only house the activities of healing, learning and discovery but actually contribute to them

BWR Heating & Cooling is a family-owned HVAC repair business with over 20 years of experience in air conditioning, heating, and HVAC systems. We sell, repair, install, and maintain trusted brands of air conditioning, heating, and HVAC equipment. All BWR technicians are professionally trained, certified, licensed, bonded, and insured. Call us for same-day emergency service in Riverside County. All estimates for new installation are free.

Cal Air Supply Co. is a renowned California-based distributor of HVAC equipment and solutions. Their inventory includes Air Conditioners, Air Handling and Ventilation equipment, Humidifiers, Dehumidifiers, Central Heating solutions, Refrigeration and Insulation solutions.

The California Air Resources Board (CARB) is a part of the California Environmental Protection Agency. The mission of the California Air Resources Board is to promote and protect public health, welfare and ecological resources through the effective and efficient reduction of air pollutants while recognizing and considering the effects on the economy of the state.

Cambridge Heating and Cooling provides affordable HVAC repair and maintenac services and more.

Capital Coil & Air manufactures commercial and industrial OEM replacement and custom HVAC coils, heat exchangers, fan coils & belt drive air handlers. Capital Coil & Air has over a decade of experience in the commercial OEM HVAC replacement & custom design/build industry. Capital Coil & Air has extensive experience working with varied commercial clients that include: engineers, mechanical contractors, government facilities and organizations.

CAREL is a globally renowned control solutions provider for air-conditioning, refrigeration and heating, and cooling systems. Their products are designed to bring energy savings and reduce the environmental impact of machinery and systems. Their solutions are used in commercial, industrial and residential applications.

Heating and air conditioning in general and the interest in detailed technology of furnaces, heat pumps and alternative energy were the foundation for Horace and Scott Kelly, when they started the heating and air conditioning contractor and service company Carolina Heating Service, Inc. in 1981 in Greenville SC.