Innovative Dehumidifier Systems are the pioneers of the multifamily housing dehumidifier system, providing the solution to preventing mold growth in homes and multi-resident facilities.

Innovative Energy (I.E.) has been a leader in delivering high-performance reflective insulation products to a growing market of energy-conserving industries.

Innovative Sensor Technology IST AG is one of the manufacturers of physical, chemical and biological sensors. IST AG specializes in the development and manufacturing of thin- and thick-film platinum and nickel RTD temperature sensors, thermal mass flow sensors, capacitive humidity sensors, conductivity sensors and biosensors.

Insight Partners provides commercial HVAC equipment and solutions for customers across a variety of markets and industries. With a combined 80+ years of HVAC experience, Insight Partners brings together a network of the best resources, people, and cultivated industry knowledge to give its partners a unique advantage over the complex challenges.

Inspected is a Remote Virtual Inspection software platform designed specifically for inspectors to connect with onsite personnel to help achieve a safe alternative to in-person inspections. Inspected keeps inspections moving forward efficiently creating a dedicated compliance solution in a centralized hub to help promote a safe workplace and focus on the health and safety of workers.

IME provides innovative enterprise software for the home improvement industry. This comprehensive software platform enables retailers to offer a wide range of home improvement products and services to their customers on a nationwide basis, with minimal investment or operational responsibility.

Instant Pierce makes a straight-line puncturing tool for the fast recovery of Refrigerant.

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.

ISA is a manufacturer of vacuum formed ceramic fiber components, and is dedicated to the production of quality product at optimal value. ISA continually improves the quality of its product and processes through the implementation and maintenance of the Quality Management System.

Founded in 1988 and headquartered in Woburn, Massachusetts, Intac International LLC. is the publisher of Wintac, the #1 all-in-one business management software for HVAC contractors. Wintac is an all-in-one business management software for HVAC/R and plumbing companies.

Founded in 1991 in San Diego, California, INTEC Controls is a premier, worldwide provider of gas detection solutions and other peripherals to the commercial HVAC Controls, Energy Management and Building Automation markets. Their inventory includes gas sensors and detection systems, valves, damper actuators, sensors (IAQ, temperature, humidity, pressure, current), stats and interface devices for HVAC controls.

Integrated HVAC is proud to offer comprehensive heating and cooling services to the residents of Edmond, OK. They offer a wide range of services including commercial and refrigeration. At Integrated HVAC, they understand the importance of having reliable heating and cooling systems at the property in Edmond. The technicians are highly trained and ready to handle any repair, maintenance, or installation job.

Launched by globally renowned innovators, scientists and engineers, Integrated Viral Protection (IVP) offers novel biodefense technology solutions that have a potential to change the world by eliminating the risk of airborne transmission of the actual SARS-CoV-2 virus and other virus particles.

Integrity Heating & Air Conditioning LLC – one stop shop for complete HVAC needs. With their office located in Greenville WI., they provide heating and cooling systems and maintenance to Appleton, Greenville, Kimberly, Kaukauna, Combined Locks, Little Chute, Menasha, Neenah, Sherwood, and all of the Fox Cities area of Wisconsin.

Intel’s mission is to shape the future of technology to help create a better future for the entire world. By pushing forward in fields like AI, analytics and cloud-to-edge technology, Intel’s work is at the heart of countless innovations. They provide semiconductor design and manufacturing, HVAC solutions, artificial intelligence, autonomous driving, and non-volatile memory solutions.

With a mission to use trust to make high-quality healthcare as accessible as a good cup of coffee, IntelliCentrics created the SEC³URE Ethos technology platform. Using trust as a technology, the SEC³URE Ethos is relied on by more than 11,000 locations of care worldwide to ensure trust across the entire continuum of care, including locations, patients, physicians and nurses, and vendor representatives.

Intelligent Mobile Support (IMS) created Sales Builder Pro to serve residential HVAC contractors and other in-home service providers like plumbing, electrical, and home warranty. Sales Builder Pro - market leading software that helps contractors boost average tickets and win rates.

Intellihot is an energy company dedicated to advancing energy efficient technology and solutions. Intellihot designs, manufactures and assembles tankless water heaters for residential, commercial and industrial applications. Their products include the most advanced tankless water heater for commercial applications.

Intellihot offers high-tech solutions to these water issues and is leading the charge toward a cleaner, cheaper, safer, and more reliable future. By combining AI with edge technology, Intellihot is prepared to revolutionize the HVAC industry with hot water-as-a-service and change the way water service is delivered.

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.

ICP is a part of Carrier, a provider of innovative HVAC, refrigeration, fire, security and building automation technologies. They provide Rrsidential and light commercial heating and air conditioning products, condensing units, furnaces, heat pumps, accessories, 2-25 ton rooftop units.

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 Environmental Corporation (IEC) are manufacturers of hydronic fan coil systems for hospitality, multi-family, healthcare, and education. They also offer replacement and retrofit solutions for fan coils in applications where limiting downtime is crucial to a business’ success.

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.