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.

ESCO Group provides over seventy industry certifications, curriculum, customized training, educator credentialing, professional development, publications, software, accreditation, and modular training programs for HVACR and building science industries.

The European Heat Pump Association (EHPA) represents the majority of the European heat pump industry. Its members comprise of heat pump and component manufacturers, research institutes, universities, testing labs and energy agencies.

Founded in 1993, Eurovent Certita Certification is recognized as a world class organization in the field of third party product performance certification for Heat Ventilation Air Conditioning and Refrigeration products. They include HVAC-R consultants, Energy Engineering offices, Architects and product end-users, the most comprehensive data base of certified products, covering up to 40 product families.

Eurovent Market Intelligence is the European Statistics Office for the HVACR market that provides key market data since 1994. They are the leading office for the HVAC&R market in Europe, Russia, Turkey, Middle East and Africa. They perform statistics collections, economic analyses, prospective study and market research.

The skilled trades of plumbing, heating, cooling and electrical keep our country running. Jobs in these industries are in high demand and come with great pay, career opportunities, and job security. Explore The Trades helps to discover that these careers aren’t just a choice – they’re the best choice.

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.

The Federal Association of the German Heating Industry represents a good 90% of the heating industry turnover in Germany. The product range includes heating systems with outputs from 4 kW to 36 MW, burners, components for combustion technology, radiators, surface heating, surface cooling, ventilation systems, controls and exhaust systems.

Fraunhofer ISE creates the technological foundations for supplying energy efficiently and on an environmentally sound basis in industrialized, threshold and developing countries. With its research focusing on energy conversion, energy efficiency, energy distribution and energy storage, it contributes to the broad application of new technology.

Fujitsu General Australia is one of the pioneering suppliers of air conditioning products in Australia. The company's origins date back to the 1960s through a sales distribution company known as General Colour Pty Ltd, selling color televisions. In 1980 became a full subsidiary of the General Corporation in Japan and General Corporation Japan (Aust.) Pty Ltd was formed.

The Central Association of Sanitary, Heating, Air Conditioning (ZVSHK) is the professional organization, trade association and interest group for the HVAC trades in Germany. The ZVSHK is the founder and sponsor of the world's leading trade fair ISH .

Global Optimism is a purpose driven enterprise focused on social and environmental change. Global Optimism exists to precipitate a transformation from pessimism to optimism as a method of creating social and environmental change.

Halpern - Jacobs represents the premier manufacturers of Heating, Ventilating, Air Conditioning, and Refrigeration Equipment and After Market Parts.

HARDI is an association dedicated to advancing the science of wholesale distribution in the HVACR industry. HARDI members market and distribute heating, refrigeration, air conditioning equipment and supplies, sheet metal, controls, filters and related items.

Harry Eklof & Associates Inc. is a manufacturer representative. They offer training services and also connect the user to the following products: Plumbing, HVAC, Bath Fixtures, Sump Sewage, Tools.

HBB Pro Sales Group Inc. is a representative of high quality HVAC/R products lines in Ohio, Kentucky, Indiana, Michigan, Western Pennsylvania, and West Virginia.

Health and Safety Executive (HSE) is the national independent watchdog for work-related health, safety and illness. Their mission is to prevent death, injury and ill health in Britain's workplaces. They are an independent regulator and act in the public interest to reduce work-related death and serious injury across Great Britain’s workplaces.

The Heat Exchange Institute (HEI) is a non-profit trade association committed to the technical advancement, promotion, and understanding of a broad range of utility and industrial-scale heat exchange and vacuum apparatus. The primary purpose of HEI is to develop and publish standards which advance the technology, increase the efficiency, and promote the use of heat exchange and vacuum apparatus.

Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signaling, operation, service & maintenance, digital technology and turnkey solutions.

Hugh M. Cunningham Companies offers premier sales representation to all distribution sectors of the HVAC and Refrigeration markets in the US States of Texas, Louisiana, New Mexico, Oklahoma and Arkansas.

IAQmatters is a joint initiative of heating, ventilation and air conditioning (HVAC) manufacturers in Europe and the Middle East, which provides solutions to ensure a healthy indoor climate.

IFC Certification Ltd is a UKAS accredited and internationally recognized provider of high quality customer focused independent third party certification. IFC Certification Ltd is also a Notified Certification Body for certificating products for CE Marking under the Construction Products Directive.

The Independent Contractors Exchange (ICE) is a select group of independent HVAC contractors specializing in the service and installation of applied HVAC systems.

Manufacturers of commercial kitchen equipment and domestic heating and cooking appliances are organized in HKI industrial association of House, Heating and Kitchen Technology. Both manufacturer groups are organized in separate associations which are subdivided into device-specific departments.

Informa Markets creates platforms for industries and specialist markets to trade, innovate and grow. Through more than 450 international B2B brands, it provides opportunities to engage, experience, and do business via live and virtual experiences, specialist digital content, and actionable data solutions.

The Institute of Refrigeration provides a central resource for people from all over the world to improve the application of refrigeration and allied fields for the general good of society with particular emphasis on environment, efficiency, safety, and innovation.

International Accreditation Forum (IAF) is the world association of Conformity Assessment Accreditation Bodies. Its primary function is to develop a single worldwide programme of conformity assessment, which reduces risk for business and its customers by assuring them that accredited certificates may be relied upon.

The International Environment Agency (IEA) is the global energy authority, providing data, analysis, and solutions on all fuels and all technologies. They help governments, industry, and citizens make good energy choices.

The International Institute for Sustainable Laboratories (I2SL) is devoted to the principles of sustainable laboratories and related high-technology facilities, from design to engineering to operation. Through worldwide partnerships and the exchange of technical expertise, I2SL will encourage the development of high-tech facilities that address the rapid pace of science, medicine, research, and development in a dynamic environment.

Koch Air, LLC has been a privately owned, full service distributor of Carrier, Bryant, and Payne residential and commercial HVAC equipment, parts, supplies and tools. Other lines include Totaline, Honeyell, Aprilaire, NuCalgon, Modine, Takagi, Slant/Fin, and many more.