Hardcast provides high-performance solutions for the Heating Ventilation and Air Conditioning (HVAC) industry, manufacturing rolled duct sealants, mastics, adhesives, coatings and hardware as well as other accessories.

Harlen Johnson Heating & Air Conditioning is an HVAC company that provides reliable heating and air conditioning services for residential and commercial customers. They specialize in providing the most effective solution for the home or company.

Harris Air Services is a known resource for heating and air conditioning services in McKinney and the surrounding areas. They are a locally owned and operated company that specializes in residential HVAC installation, repair, and maintenance.

Harvey-Cleary Builders are a leading, full-service general contractor headquartered in Houston, Texas. They provide general contracting, preconstruction, design-build and construction management services for a variety of commercial projects nationwide.

Nailor Industries, Inc. is known for their industry leading customer focused approach to providing innovative commercial and industrial HVAC products. Nailor manufS. Nailor, COOactures a unique and comprehensive line of products essential for a well designed HVAC system.

HM Tech Air Conditioning & Heating is a company that provides viable solutions to homeowners and businesses alike. Based in Mesquite, TX, they offer a variety of HVAC services, Their HVAC company is ready to provide users with professional installation, repair, and maintenance services for their system! HM.

Hoffman Controls is a manufacturer of Electronic Special Purpose products for the HVAC&R (Heating, Ventilation, Air Conditioning & Refrigeration) industry. They deal with EC Motor Controls, Induction Motor Controls, Condenser Fan Controls, Refrigeration Controls, SCR Heating Controls, Variable Air Volume (VAV) Products, Sequencer Controls, Thermostats and Transducers, Motor Protection, Ventilation/Exhaust Controls.

Hort Americas is a commercial horticulture supplier of lights, fertilizers and hydroponic substrates, as well as knowledge source. Hort Americas distributes growing accessories and supplies to the greenhouse vegetable production industry as well as niche crop growers which includes cut-flower growers, young plant growers, tropical plant growers, herbs and orchids.

Since 1962, Houk has been keeping Texans cool by providing award-winning service and the most modern, up-to-date technology in HVAC equipment. When it comes to maximum comfort, Houk is a pioneer that backs all work with a customer satisfaction guarantee.

Founded on January 1, 2000, House Pro was started with a simple concept - offer unparalleled service and customized heating and cooling solutions to each and every homeowner. They offer emergency AC repair services, available 24/7, to keep residents cool when the heat is on. Trust their experienced technicians for Houston AC repair – they’ve serviced over 35,000 homes in the region.

As a family-owned and operated Greater Houston HVAC Company, Go Admiral serves Spring, The Woodlands, Houston, Katy, and beyond with residential and light commercial heating, AC repair, venting, duct design, and air purification.

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.

Hunt Consolidated, Inc. is a diversified holding company for a privately owned group of entities based in Dallas, Texas. The areas of activity of the different Hunt companies include oil and gas exploration and production, refining, LNG, power, energy, real estate, investments, ranching and infrastructure.

Huntsman Corporation is a globally renowned spray polyurethane foam company that serves a broad and diverse range of consumer and industrial end markets, including, transportation, home life, construction, energy and fuels, and clothing and footwear. They develop products that address customers’ needs and help provide solutions to some of the world’s greatest challenges.

HVAC Manufacturing and Technology is a Woman Owned Company located on 15 acres in East Texas. A diversified Building technology company specializing in the design and manufacturing of patented intelligent HVAC products, Self-commissioning air terminals, air handling systems, modular prefabrication, hydronics, air purification systems, air distribution, Intelligent Air Control, Total Room Automation, UL Control panels and cutting edge software.

Hydro Balance manufactures products like Coil cleaners, lubricants, coatings I.A.Q., Leak Detectors, Insulators, System Flushing Tools, etc

IDEAL (VS) is a manufacturer of aluminum foil and grey duct tapes, adhesives, gaskets, flexible ducts, fiberglass/rubber insulation. They provide advanced coating solutions for the industrial, commercial and residential construction and maintenance markets, with substantiated proven performance.

IMI Hydronic Engineering is a provider of a range of products and services that enables one to take control, increase efficiency and drive down initial and ongoing costs with innovative and reliable HVAC solutions. They provide a superb range of high-quality products and support services for every type of installation and customer.

Infinitum Electric makes electric motors which are used in HVAC products to make them more efficient, durable, light weight and less expensive.

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.

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.

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.

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.

Interplay Learning is a software company with a mission to deliver scalable and effective trades training. Interplay Learning creates modules and training for multiple industries including HVAC.

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.

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.

At Jade Air, their priority is serving air conditioning and heating (HVAC) needs including a/c repair, troubleshooting and maintenance. Since 1991, they have been providing quality and reliable HVAC service to the Dallas area, in Texas, USA.

JB & Associates Extended Warranties is a nationally renowned provider of Extended Warranties to the HVAC and Plumbing Industries. Their online system provides contractors with the most comprehensive and easy to use extended service agreement solution.

Jetson is an engineering-driven manufacturer of air- and water-cooled chillers, air- and water-cooled condensing units, and compressor units. With years of experience in all phases of the HVACR industry, we are committed to developing and manufacturing products that are highly efficient, reliable, serviceable, and cost-effective.

Johnson Supply is a HVACR wholesale distributors in Texas and Louisiana. They have 24 locations as of date and deals with distribution of products like Condensing Units, Curb Adapters, Packaged - Cool Only & Electric Heat, Packaged - Gas Heat, Evaporator Coils, and Air Handling Units.