CoolSys is the parent company of an operating businesses that provide a full spectrum of best-in-class service experiences and solutions to the retail, commercial, and industrial refrigeration and HVAC industries. The CoolSys corporate brand was developed to unite a growing family of refrigeration & HVAC operating brands into one family, while providing strategic guidance and leadership, along with best-in-class experience.

COOLVAN LIMITED converts nearly 500 Vans every year for the temperature-controlled van sector. The best quality conversions anywhere with high levels of accuracy from the CAD/CAM processes and a highly-skilled, experienced team in a factory in Lancashire.

Serving Northern California in USA, since1972, Cooper Oates Air Conditioning, Inc. is focused on helping building owners, property managers and commercial tenants manage the full life-cycle cost of their air conditioning systems through efficient design, dependable service and quality craftsmanship delivered by skilled professionals.

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.

CREA Spa is an Italian company present since 1983 the refrigeration market. In 2004, Crea started to produce, install and provide assistance on refrigeration systems with natural CO2 refrigerant.

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.

Cummins Inc. empowers people to grow their careers through meaningful work, building inclusive and equitable teams, coaching, development and opportunities to make a difference. Their wide range of services include Cummins Engine Business, Cummins Power Generation, Cummins Distribution Business, Cummins Turbo Technologies, Cummins Emission Solutions, Cummins Fuel Systems, Cummins Filtration, and Cummins Electrified Power.

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.

Darke & Taylor Ltd. provides a high quality turn-key approach to their clients, who include architects, building services designers, main contractors and project managers constructing and refurbishing buildings, and the landlords, owners and occupants of these buildings.

Dectron Inc. is a pioneer of DRY-O-TRON energy recycling dehumidifiers. They provide dehumidification systems for industrial, commercial and residential applications-indoor swimming pools, sports facilities, ice rinks, 100% make-up air dehumidifiers; precision environmental control systems.

Degree Day is an ISO 9001:2015 certified Indore-based Air Conditioning firm, which provides one-stop HVAC system solutions and consider themselves to be one of the major organizations for Design and Project Execution of Ventilation, Refrigeration and Air Conditioning applications.

DeltaTrak, Inc., is a globally renowned innovator of cold chain management and temperature monitoring solutions. Their product line includes a wide range of temperature and humidity data loggers and wireless systems. They also have portable environmental test and measurement systems, including thermometers-digital and infra-red, temperature/humidity monitoring and recording devices and wireless systems in their inventory.

Deltrian (Deltrian International) is specialized in the filtration field for over 50 years. Thanks to its experience, the company is an expert in the air-quality management in various fields such as food-processing, automotive, microelectronic and pharmaceutical industries, and also in hospitals.

Dennis’ Heating and Air Conditioning, Inc provides HVAC Installation, Retrofits, Service and Maintenance, as well as a full service sheet Metal Fabrication Shop. They are capable of fabricating almost anything, if customers can draw it, they can build it. The company is known for their knowledge, reliability, and incredible customer service.

With more than 30 years experience in humidification, Devatec offers a complete range of humidifiers. Recognized for their reliability and high technology, Devatec's products are the perfect solution for your humidity's problems.

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.

Founded in 1988 with offices in Kansas City, Austin and Denver, Dialectic is a non-traditional mechanical, electrical and plumbing engineering firm that brings buildings to life. With deep expertise in a range of verticals – including distribution, cannabis, multifamily, senior living and retail/restaurants – they know that true success comes with partnering as an extension of the team.

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.

Dixon Group Ltd comprises three specialist building services companies, providing complete project management on developments for commercial clients. The teams offer everything from design and installation to ongoing maintenance and servicing for large industrial sites, retail developments, offices, local authorities, the NHS, building contractors, and numerous engineering consultancies.

DNV GL is a global quality assurance, software solutions and risk management company. They provide classification, technical assurance, software and independent expert advisory services to the maritime, oil & gas, power and renewables industries. They also provide certification, supply chain and data management services to customers across a wide range of industries.

Domus Ventilation is an innovator when it comes to supplying the Merchant and Electrical Wholesale industry with value-added products, such as unique 'house packs'​ with pre-determined duct kits, extract fans, and a choice of terminals. Our dedicated design team also offers free-of-charge CAD and Revit designs to illustrate custom ventilation systems that meet the latest building regulations and ensure optimum performance.

For over 30 years, Duct Doctor USA has been providing quality air duct cleaning for both residential and commercial customers. Duct Doctor was founded by a board-certified allergist in 1985 with a mission to improve the air quality of homes and workplaces.

Durakerb is part of Econpro, a specialist group of companies that transform waste and by-products into sustainable products and solutions. Durakerb manufactures lightweight and recycled products and systems that provide for a safer, greener, faster, and easier solution to kerbing and kerb-side drainage. They provide with the opportunity to design and construct with responsibility.

Established in 1995, Dusty Ducts, Inc. is certified as a minority-woman-owned-small business. As a Michigan corporation we provide HVAC Restoration, Indoor Air Quality and Energy Conservation for clients throughout Michigan and across the Midwest United States.

Dycon Power Solutions Ltd is an innovative British technology company producing advanced, low-voltage power supply products. Since 2004, it has been the market pioneer in designing and manufacturing a full range of inventive, energy-efficient, “green” switched-mode power supply units for applications across a large number of differing sectors including security, access control, and CCTV.

E Flow Technologies is a global company which produces the energy efficient fan-packs for a vast variety of AC & EC motor solutions and a quick return on investment for HVAC, refrigeration, ventilation and engine cooling industries.

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.

Eagle Mechanical, Inc. is a HVAC, plumbing, process and piping mechanical contractor with 30+ years’ experience. They help customers to purchase, install, maintain or replace any heating, air conditioning, refrigeration and plumbing systems. They specialize in industrial and commercial facilities, like hospitals, office buildings, schools, and government facilities.

With over 20 years’ experience, EasyAir has an in-depth knowledge of saving their clients' energy by designing and installing heat recover systems. They also provide unique, site specific commercial kitchen heat & smoke extract, fume extract, dust extract, paint & varnish fume extract as well as bespoke turnkey air conditioning systems.