Diehl Controls ranks among the specialists in the development and manufacture of electronic assemblies, system components, and drive inverters for the household appliance industry as well as for technology-related markets. They provide heat pumps and industrial ventilation systems, air conditioner to refrigerators and freezers.

Drews Marine GmbH supplies the maritime industry with highly individual or standardized solutions in the areas of refrigeration, air conditioning, ventilation, heating, pipeline construction and automation.

Founded in 1859, the Deutscher Verein des Gas- und Wasserfaches is the German association for gas and water with headquarters in Bonn. Its official English translation is the German Technical and Scientific Association for Gas and Water.

The Federal Association of the Chimney Sweep Crafts - Central Guild Association (ZIV) - represents the interests of chimney sweep companies in Germany. Members of the federal association are 16 regional guild associations and their affiliated guilds. The association represents the interests of the chimney sweep trade and supports the affiliated member associations, member guilds and individual companies in fulfilling their statutory tasks.

Kelvion is one of the global manufacturers of heat exchangers and have been providing solutions for almost every industrial application imaginable since the 1920s. Their products include Compact Fin Heat Exchangers, Plate Heat Exchangers, Single Tube Heat Exchangers, Transformer Cooling Systems, Cooling Towers and Shell & Tube Heat Exchangers.

For 50 years, Schornsteinwerk Schreyer GmbH have been producing and selling chimney and ventilation systems with complete accessories as well as prefabricated chimney heads at the Zeven location. Shaft and ventilation stones are used for ventilation and as an enveloping shaft for exhaust pipes.

SIG Group is the globally renowned packaging solutions provider that follows the company's mission of moving towards a more sustainable world.

Surplex is one of Europe’s industrial auction houses and trades worldwide in used machines and factory equipment. The 18-language auction platform is visited around 50 million times every year. It sells more than 55,000 industrial products per year in over 800 online auctions.

DG Haustechnik represents its members on a national and international level and offers them work and decision-making aids on fundamental issues relating to the market, competition, economic policy, business administration, finance and taxes, training and further education or advertising. The DG Haustechnik also promotes the cooperation of the building technology wholesalers with the companies of the next economic level.

THOMAS is a major manufacturer of systems, compressors, vacuum, and liquid pumps for Original Equipment Manufacturers (OEMs) in the medical, laboratory, environmental and industrial sector. With its experienced engineering, technical, and operations staff and capabilities, THOMAS designs and manufactures customized pressure and vacuum solutions that meet the precise needs of its customers.

VDMA is an association that represents the common economic, technical and scientific interests of the mechanical engineering industry, especially towards national and international authorities and business circles.

VTS International GmbH, ISO 9001: 2015 certified, is the German branch of an international group which concentrates its activities on the aftermarket for turbo-compressors. VTS's core competencies are the production of air coolers for Centac (Ingersoll Rand) and TurboAir centrifugal compressors, as well as the delivery of all other spare parts for these two brands.

A.B. Young Company Inc. represents Quality Manufacturers that deliver the best product solutions for most heat transfer equipment applications. They are customer-driven in all respects, providing innovative solutions employing all available technologies and capabilities to ensure customer satisfaction.

AAF International clean air products and systems offer the most comprehensive clean air solutions available in the world. Their products are the industry benchmarks for quality and performance, from simple roughing filters, to air pollution control, to gas containment removal, to the highest efficiency filters used in the most stringent clean environments.

AC Repair Burke offers fast and reliable air conditioning repair services in Burke, Virginia, USA. Their experienced technicians are dedicated to keeping homes cool and comfortable. The company handles both local commercial and local residential emergency heating repair and AC repair services.

Accenture is a global professional services company with leading capabilities in digital, cloud and security. Combining unmatched experience and specialized skills across more than 40 industries, they work as one team with a common goal—to create 360° Value everywhere by embracing change.

Acclimatise devise and install temporary temperature control and air handling solutions for a vast number of different organizations right across the private and sectors, including commercial, industrial, and governmental projects. They’re ISO accredited, and remain fully committed to providing only the most efficient, compact and ecologically friendly systems available in the UK and Europe.

Since 1980, Acovent is able to provide a wide range of fans and accessories to satisfy all requests related to the most different needs. Acovent is a steady growth and dynamic company, which is careful to observe its commitments.

Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK. They offer Refrigeration, Air Conditioning, Heat Pumps, Ventilation, Bespoke Design Services, Equipment Servicing, R22 Replacement, System Upgrades, F-Gas, REFCOM, Maintenance and TM44 Energy Assessment services.

ADI Global Distribution is the major global wholesale distributor of security, AV and low-voltage products for licensed contractors. They’re committed to offering the best products and technologies from top brands, the service and assistance for every project, and the resources and tools for business growth so that their customers can spend their time where it matters most.

Since the 1970s, Aerotecnica Saturno has been operating in the summer air conditioning, winter heating and controlled mechanical ventilation sectors. The original activity, which they continue to carry out even today, is the production and installation of aeraulic ducts for air conditioning and conditioning, heating, cooling, ventilation and suction.

Aertecno is a company specialized in HVAC system engineering (Oil&Gas, naval, industrial, civil and healthcare sectors) and in the construction of technologies related to the safety and livability in the Oil & Gas and industrial installations (on-shore, off-shore) such as: Temporary Refuge modules (barge, shelter, building) , Emergency Pressurization Systems and Breathing Air Systems.

AfinityMS deals with all kinds of Residential & Commercial Maintenance Services of Air-Conditioning, Plumbing, Electrical, Handyman, Miscellaneous, Water Tank Cleaning, CCTV, Home Cleaning, Carpet Cleaning, Mattress Cleaning, and other Technical Services. They are committed to ensuring the safety of clients and have a well-established technology-based solution to track their technician’s allocation and keep all records of their work with time.

Agronomic IQ sets the HVAC standard for commercial growers by taking advantage of an all-in-one system to deliver the most precise temperature and humidity control in the industry, with exceptional energy efficiency.

AREA is the European organization of air-conditioning, refrigeration, and heat pump (RACHP) contractors. Established in 1988, AREA voices the interests of 26 national members from 22 European countries, representing more than 9,000 companies across Europe (mainly small to medium-sized enterprises), employing some 125,000 people and with an annual turnover approaching € 20 billion.

The Air Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing manufacturers of HVACR and water heating equipment, within the global HVACR industry. AHRI’s 315 member companies manufacture quality, efficient, and innovative residential and commercial air conditioning, space heating, water heating, and commercial refrigeration equipment and components for sale in North America and around the world.

Air Control Srl provides solutions like Air Conditioning, Dust free active sanitation system, ventilation systems, etc and is based out of Italy.

Air Industrie Thermique España, S.L. (AITESA) is an engineering company, which operates in the field of heat recovery systems (HRS) normally for refineries, chemical and petrochemical industries. They can facilitate implementation process in all phases of the project from basic to turnkey engineering.

Air King America, LLC provides Total Home Ventilation with solutions to create excellent Indoor Air Quality (IAQ) at homes and commercial spaces. Air King offers one of the most complete lines of ENERGY STAR certified solutions in ventilation products on the market today. Products include Bathroom Exhaust Fans, Whole House Continuous Operation Exhaust Fans, Fresh Air Machines, Under Cabinet Range Hoods, Professional Range Hoods and more.