Cora Duct Cleaning offers a wide array of air duct cleaning services for homes, commercial and industrial across Southern Ontario. Established in 2010, Cora has provided duct cleaning services to thousands of clients across the GTA and Ontario. Apart from duct cleaning, specialized air filters, furnace cleaning, dryer vent cleaning, a/c cleaning, central vacuum cleaning and other services are provided by the company.

Servicing the South West, Cosgrove & Drew provide best in class mechanical engineering services, such as domestic installations, full industrial and commercial projects, and servicing and maintenance. They are a UK-based plumbing, heating, mechanical services and building maintenance company that undertakes the smallest maintenance work right through to complete refurbishment.

County Wide Mechanical is proud to service the heating, cooling, and plumbing needs of homes and businesses in Connecticut.

Cunningham AC, Heat & Propane is a family-owned HVAC and comfort services company based in Daytona Beach / Holly Hill, Florida. The business focuses on providing comprehensive heating, ventilation, and air conditioning services — including AC installation, repair, maintenance, and HVAC system solutions — along with propane (LP gas) services and related products.

CWP is a pioneering renewable energy developer with expertise across the full project lifecycle, developing, managing, and owning projects with demonstrated success. Using a proven approach to follow each project from inception to full operation, ensure genuine engagement with all stakeholders at each stage of development. Mission is to improve the environment for current and future generations by pioneering the transition to renewable energy.

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 Comfort is a global indoor comfort solutions provider. From heating and cooling replacements to indoor air quality improvements. The people at Daikin strive to enhance HVAC reliability, efficiency, and sustainability every day.

Dan Cain is a lifelong Cincinnatian, born and raised on the west side of the city. With over 30 years of experience in the heating and cooling industry, Dan Cain Heating & Cooling has built a reputation as one of Cincinnati’s most reliable and meticulous HVAC services provider. Dan is an authorized Bryant dealer who installs new heating and air conditioning systems, as well as services existing equipment.

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

Day & Night Air Conditioning provides residential and light commercial heating and air conditioning products, condensing units, furnaces, heat pumps, accessories, 2-25 ton rooftop units.

Delta Thermal Solutions, Inc. is located in Jackson, Mississippi, United States of America and is part of the Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers Industry.

DenPro HVAC believes in exceptional customer service and setting the bar high in the industry. They are a locally owned and operated HVAC company serving south central Pennsylvania. From standard preventative maintenance to full replacements, both residential and commercial, they cover all HVAC needs.

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.

Dexen supplies heating components to OEMs in HVAC and Hearth industries. They are also renowned providers of gas control systems and remote monitoring systems for the HVAC industry. Their products include gas valves (millivolt, 3V, 6V, 24V), electronic ignition control modules, pilots and supplemental components. Our services are in quality management, warehousing, logistics, engineering consulting and custom applications.

Dial Plumbing has become the leading gas piping and plumbing service business in Brevard County. Owners, Steve Packard and Allen Deibert. It has the best installation and service personnel on the central east coast of Florida to exceed the needs of the customers.

Dimplex offers a variety of both indoor and outdoor electric heating solutions that are attractive in design, as well as powerful in performance. The heaters range from fan-forced to infrared and are suited to different spaces requirements. Dimplex electric fireplaces lead the industry with flame effect technology and realistic media bed accessories.

Discount Air Conditioning & Heating, Inc. offers affordable A/C and heating system repairs, maintenance, and replacement in the Las Vegas Valley. They will diagnose all issues and provide economical solutions. All repairs and installations come with a guarantee to ensure the best repair possible every time.

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.

Ducane is all about providing outstanding value in home heating and cooling. They provide residential heating and cooling products, packaged units, and split systems under 5-tons.

Since 1928, Dunkirk has delivered innovative, efficient, and dependable home heating products to professionals, building owners, and homeowners. Their products inventory includes condensing boilers, water boilers, water heaters, storage tanks, thermostats and multiple boiler control units.

Dunphy Combustion designs and manufactures advanced industrial and commercial combustion systems, including burners, boilers, and control solutions for high efficiency and low emissions. A recipient of the King's Award for Enterprise: Innovation 2025, Dunphy is recognised for pioneering energy-efficient technologies that support cleaner, more sustainable industrial heating.

Dupont provides technology-driven solutions to its customers. From renewable energy sources like photovoltaics, wind, biofuels, and fuel cells to the application of advanced materials making the exploration, production, and transportation of oil and gas more efficient, Dupont’s products and services help provide better performance, reliability, lower cost, improved safety, and a reduced environmental footprint.

Dura Products, Inc is a state-of-the art Indiana based manufacturer of metering, pumping and dispensing systems for the DEF, AG, and turf Chemical industries. Founded by owners with decades of knowledge in farming and the chemical sales industry, Dura Products Inc goes beyond excellent design to incorporate innovative, versatile and durable transfer pump solutions with the end consumer always in mind.

DuraVent is the recognized technological leader in the venting industry. Consistently first to market with new innovations, DuraVent is committed to providing safe and technologically advanced venting.

The E.ON Group is one of Europe's largest operators of energy networks and energy infrastructure and a provider of innovative customer solutions for 50 million customers. Thus, they are decisively driving forward the energy transition in Europe and are committed to sustainability, climate protection, and the future of the planet.

Easyflex is the leader of all things flexible. We’re a global leading manufacturer and distributor of flexible, corrugated stainless steel products. Through technological innovation, attention-to-detail, and stringent quality control, we manufacture and deliver superior products to customers worldwide.

For over 20 years, Eaton’s Furnace Heating & Air Conditioning HVAC has been proudly serving Coquitlam and the Lower Mainland, providing top-tier HVAC solutions to homes across the region. As a locally-owned company, they are deeply rooted in their community, committed to delivering reliable, energy-efficient heating and cooling services.

ECM has been serving the Kingston area since 2016 and has a passion for providing sustainable and reliable HVAC services. As certified heat pump installers, ECM offers energy-efficient solutions that enhance the home’s comfort, while supporting a cleaner, more sustainable future. They take environmental responsibility seriously — recycling all shipping materials, metal components, and even mercury from old thermostats.

EcoMechanical specializes in top-quality HVAC services in Houston, including installations, repairs, and maintenance. They offer energy-efficient solutions like Carrier mini-split systems, R-32 refrigerants, air scrubbers, UV lights, and surge protectors. With expert technicians and a commitment to comfort and sustainability, they deliver reliable, innovative climate solutions tailored to their needs.

Elektrotermex was founded in 1988. From the beginning of its existence to the present day, it has been 100% a company with Polish capital. The market activity was focused on heating services. They were the first in the country to start the production of compact heat distribution centers. They were very well received, as evidenced by medals and diplomas at trade fairs and exhibitions.