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.

IFEMA MADRID is where growth is promoted, business is inspired and opportunities are transformed through intelligence, ingenuity, and creativity. More than 4 million people experience it each year.

ISKID is an air conditioning and refrigeration association, which has emerged in the 1950s in Turkey. İSKİD was established in 1992 with the contributions of prominent companies in the sector, to conduct work towards achieving sustainable and regulated HVAC&R Industry development in compliance with the world.

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

IAQA is dedicated to bringing practitioners together to prevent and solve indoor environmental problems for the benefit of consumers and the public.

Industrial and Commercial Heating Equipment Association (ICOM) is the UK's trade association representing the industrial and commercial heating equipment industry sector. Together with the members, ICOM represents the industry's interests at UK Government and European levels. ICOM is a division of the Energy and Utilities Alliance (EUA).

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.

Industrial Combustion is a manufacturer of burners designed for commercial, industrial, and institutional applications. Their burners are developed to deliver an impressive return on investment.

Industrial Refrigeration Consortium provides training, research and technical expertise on industrial (ammonia) refrigeration systems. The IRC is a collaborative effort between the University of Wisconsin-Madison and industry.

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.

Institute of Domestic Heating & Environmental Engineers is the pre-eminent professional body for the approved heating engineer. The prime objective of the IDHEE is to raise the standards of domestic heating installations through education, to which end IDHEE Education has developed the Domestic Heating Design Course, and continues to develop further courses to enhance the knowledge of installers in general and its members in particular.

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 Code Council is a member-focused association. It is dedicated to developing model codes and standards used in the design, build and compliance process to construct safe, sustainable, affordable and resilient structures. The I-Codes are a complete set of comprehensive, coordinated building safety and fire prevention codes.

The ICRA is an association dedicated to promoting good standards of quality remanufacturing, ethical business practice and in providing education and training to its members for their benefit and to the air-conditioning and refrigeration service industry at large.

A nonprofit association founded in 1909 comprising over 2,100 district energy and CHP system managers, engineers, consultants and equipment suppliers from 25 countries.

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.

International Facility Management Association (IFMA) is the world's largest and most widely recognized international association for facility management professionals, supporting over 23,000 members in more than 10​0 countries.

International Ground Source Heat Pump Association is an association of companies, professionals and users dedicated to promoting the science, utility and use of geothermal (ground source) heating and cooling technology.

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.

IIAR is the world's renowned advocate for the safe, reliable and efficient use of ammonia and other natural refrigerants. IIAR members share their collective knowledge and experience to produce consensus documents that address various aspects of the natural and industrial refrigeration industry. IAR sets the standard for providing advocacy, education and the most up-to-date technical information to the ammonia and natural refrigeration community.

The International Institute of Refrigeration is the only independent intergovernmental science and technology based organization which promotes knowledge of refrigeration and associated technologies and applications on a global scale that improve quality of life in a cost effective and environmentally sustainable manner.

iPHA is a global network of Passive House stakeholders including architects, planners, scientists, suppliers, manufacturers, policymakers, contractors, property developers, and more! Its membership network encourages the exchange of Passive House knowledge, providing members with a range of benefits and advocating for Passive House in policy, the media, and amongst the general public, and the entire range of construction professionals.

ITI supports apprenticeship and advanced career training for union workers in the sheet metal industry throughout the United States and Canada. Located in Fairfax, Virginia, the ITI produces a standardized curriculum supported by a wide variety of training materials free of charge to apprentices and journey-level workers who work in the following specialized disciplines: Architectural Sheet Metal, Building Information Modeling,& HVAC Service.

The International WELL Building Institute (IWBI) is the movement to promote health and wellness in buildings and communities everywhere. IWBI delivers the WELL Building StandardTM, and a professional suite of tools to empower the global community. They believe that buildings should be developed with people's health and wellness at the center of the design.

Ipswich Heat Network includes over 40 buildings, including public sector buildings, commercial offices, retail and leisure facilities, and educational establishments. All of the proposed connections have shown an interest in the scheme; however, a final design cannot be announced until formal agreements are in place.

JayKay Sales Company is an HVAC manufacturer's representative agency dedicated to providing professional, competent, and courteous sales and service support to customers of the high-quality manufacturers we represent.

KNF Neuberger, Inc. is a pioneer in gas and liquid diaphragm pumps for OEM, process, and laboratory customers. KNF combines technical expertise and manufacturing leadership to address application-specific challenges for an ever-growing list of markets that includes medical device and diagnostics, environmental/industrial hygiene, laboratory equipment, reprographics, security and defense, semiconductor, energy, various process industries, and more

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.

Lazco Corp. buys and sells surplus HVAC equipment, compressors, chillers, cooling towers, rooftops, boilers, generators and Liebert A/C units.