The IEA is the global energy authority, providing data, analysis and solutions on all fuels and all technologies. IEA provides heating, cooling, Building envelopes, heat pumps, energy storage and much more.

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.

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.

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.

Intertek is a quality solutions provider to industries worldwide. From auditing and inspection to testing, training, advisory, quality assurance, and certification, the company adds value to its customers by helping improve the quality and safety of its products, assets, and processes. Intertek caters to various industries including chemicals, retail, transportation, life safety and security, energy and commodities, energy, and more.

Since 1919, Intertherm has been an integral part of improving the comfort of manufactured homes. They are the only heating and cooling manufacturer to be certified in Demand Flow Technology.

INTOHEAT Ltd is a Mechanical & Electrical building services company based in Bristol and Exeter, operating nationally. Their efficient, personal and friendly service ensures every project is managed to the highest standards in terms of estimating, planning, design, installation and ongoing maintenance.

Established to serve wholesale distribution, iO HVAC Controls offers unique products from multiple sources for a variety of applications. From wireless relays to fresh air ventilation controls, the company's solutions are designed to be easy to install, cost-effective and profitable.

IonicBlue® is a joint venture between Johnson Controls, the global pioneer in delivering energy and infrastructure solutions, and Apollo Global Management a leading, global alternative asset manager. They deliver a total solutions approach through the expertise of Johnson Controls and the unmatched ability of Apollo to provide alternative capital solutions.

Irr Supply Centers, Inc. is a renowned distributor of Plumbing, Heating, Cooling, Electrical, and Refrigeration products serving a wide range of customers throughout Western/Central New York and Northern Pennsylvania.

ISC Sales Inc. provides superior industrial products to a wide variety of end-users and original equipment manufacturers (OEM). They offer a broad range of climate control products for electrical enclosures, such as air conditioners, vortex coolers, air to air heat exchangers, purge & pressurization units, filtered fans, and thermoelectric coolers.

ISS Mechanical is a 'Service First' Mechanical Contractor. They specialize in the service, maintenance, repair and replacement of air conditioning, chillers, controls and refrigeration equipment for existing Commercial, Healthcare and Industrial Facilities. Their service area is Central Florida, with offices in Orlando and Tampa, Florida. They are able to provide mission critical and emergency service to facilities throughout Central Florida.

Founded in 1952, ISVAL is a leading manufacturer of hot forged and machined brass and aluminium products. Equipped for medium and large size production, ISVAL can meet even the most custom-made requests, thanks to more than sixty-year experience and to a proactive approach to customers.

ItuGraf is the most efficient radiant ceiling system on the market. It is ideal for the management of heating systems in buildings of all sizes, for both new buildings and renovation projects. ItuGraf heating and cooling panels effectively create a comfortable room temperature without dust, drafts or noise, and significantly improve indoor climate.

IV Produkt offers a high-quality and innovative products that make it possible to recover energy and create a good indoor climate. This has been their philosophy for many years, and has created great success for us with an average growth of 12% over the last ten years.

One of Ukraine's leaders in the complete spectrum of climate control solutions.

J Williams Plumbing & Heating offer Plumbing, Heating and Energy Efficiency services and installations in both commercial and residential locations. From boiler repairs to gas safe installations, their services are both versatile and proven

J. F. Ahern Co is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and service projects.

J.L. Brady Company LLC offers dependable, quality service to homeowners in the Quad Cities community for over 100 years. Their experienced technicians are well-trained and knowledgeable on all HVAC products, so the customers can be confident knowing that they can trust the company.

J.R.V Heating & Cooling LLC. believe that nothing is more important than comfort. Their technicians are here to attend to client's needs 24 hours a day. They offer a variety of maintenance service designed to address unique needs with their rates are among the most competitive in the industry.

J's HVAC Unlimited is a full-service HVAC company with years of industry experience on our side. It offer traditional heating and cooling services to go along with extensive indoor air quality and general home comfort services too.

J&W Heating and Air is a full service residential and commercial HVAC company within Jacksonville and the surrounding areas. They offer a wide variety of indoor comfort solutions including heating and AC installation, heating and AC repair, maintenance plans, and complete indoor air quality service.

Jackson Comfort Services offer 24/7/365 emergency service. Heating, Cooling, and Plumbing Specialists serving Northeast Ohio for 100 years. Its commercial and residential heating and air conditioning services include repairs, maintenance, and new installations. It also provides plumbing services for residents.

Jackson Heating And Cooling is a professional HVAC service that specializes in providing clients with the ideal repairs and installations that they need for their units. No matter how small the job is, it is crucial to have a professional get the job done right. This way, users can rest assured that they will not encounter any problems or complications in the future.

Jackson Systems is an HVAC controls distributor for the residential and light commercial markets. The company specializes in zoning, thermostats, and home automation products.

With more than 75 years of experience in organizing transport plans for the flows of major players in French transport, Jacky Perrenot has diversified into different areas of activity, such as Bulk, Containers, Logistics and Home delivery. The company continues to grow through new projects and acquisitions.

Established in 1960, began as a family business primarily focusing on delivering top-notch air purification products and well-received related quality products. Through a legacy of generations of excellence, today JAF has become a provider of extensive Air Filtration and Air Pollution Control Products and solutions across the world.

At JAX HVAC, they recognize that their clients, big and small, have unique system needs. Therefore, they provide individualized solutions to most directly and cost-effectively build and maintain mechanical systems. They do not provide 'cut and paste' solutions. At JAX HVAC, every system is a custom system.

At JAX Refrigeration, Inc., they recognize that their clients, big and small, have unique industrial cooling system needs. Therefore they provide individualized solutions to most directly and cost-effectively build and maintain industrial refrigeration systems.