The Home Ventilating Institute (HVI), is a nonprofit association of manufacturers of residential ventilation products. HVI provides creditable product performance ratings including airflow, sound and energy.

Hometown Comfort Pros HVAC Dealer and Installer is located in Lynchburg Virginia offers Heat Pump Repair, Heat Pump Installs and Maintenance. We serve heating and air conditioning in Forest Virginia, Bedford Virginia, Evington Virginia, Madison Heights Virginia, Amherst Virginia, Smith Mountain Lake Virginia.

Hometree exists to help homeowners keep their homes warm, safe & working by providing HVAC solutions.

Honeywell Home solutions include connected thermostats, whole-home professionally installed and monitored security systems, do-it-yourself home awareness and security systems, carbon monoxide and fire detection devices, furnace and boiler controls, water leak and freeze detection products, whole-home air purifiers and humidifiers.

HTS unites top brands -- Honeywell Combustion Safety, Honeywell Combustion Service, Eclipse, Exothermics, Hauck, Kromschröder, Maxon and Honeywell Combustion Controls -- delivering the best in thermal solutions.

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.

At Howell's Heating & Air believe in providing the greatest value possible by offering first class service as well as uncompromising quality at a reasonable price. Over 40 years and a generation later, Howell’s remains true to this original philosophy and attributes its success and reputation to their great owners, for their hard work every single day.

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’s Services is a heating, air conditioning, electrical and plumbing service company, which has established a reputation for quality work and dependability.

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.

Founded in 1967, Hurst Boiler & Welding Company, Inc. has been manufacturing, designing, engineering and servicing gas, oil, coal, solid waste, wood, biomass and hybrid fuel-fired steam and hot water boilers. The company also manufactures a complete line of boiler parts and boiler room peripherals and provides unparalleled turnkey after-market products and services to deliver complete installation and operation to its customers.

Hussmann manufactures and sells refrigerated display cases, refrigeration systems, self-contained display cases, specialty display cases and aftermarket parts. It also provides installation and service.

HVAC is an acronym that stands for Heating, Ventilation, and Air Conditioning. Sometimes you will also see the acronym HVACR, with the extra R representing Refrigeration. This industry is a popular one for many seeking a new career as there is a great demand and the pay can be quite good. If you are interested in entering the rewarding world of heating, cooling, ventilation, and refrigeration, you will need some education. One good place to start

HVAC Erie specialize in air duct cleaning, air conditioning repair, and furnace repair in Erie, Pennsylvania, USA. They offer a full range of heating and cooling services, including furnace repair, air conditioning repair, and air duct cleaning. Their experienced technicians are available 24/7 for emergency repairs.

HVAC Philly is a full service Heating & Air Conditioning company proudly serving residences and businesses in the Philadelphia, Bucks and Montgomery county area since 1994. HVAC Philly offers same day and 24-hour emergency service, as a greater Philadelphia licensed HVAC contractor, they install and service air conditioning and heating systems.

Hydro Pump Company specializes in geothermal heat pumps, water-source heat pumps, HVAC products, and water well products.

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

Hydro-Temp Corporation manufactures earth coupled heat pumps, water-to-water heat pumps, dehumidifiers. Make up air vents 100% O/A units.

Specialized in high quality industrial and commercial ventilation solutions across North America. Their product range includes Vane-Axial, TubAxial-Duct fan Centrifugal and Propeller Fans, blowers and ventilating system designed for optimal performance, energy efficiency and durability.

ISC is a premier Canadian wholesale supplier of Heating, Ventilation, Air Conditioning & Refrigeration products. They have an expanding support network in Pacific Canada, the Prairies and Ontario to service their growing customer base.

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

Manufacturers of Fin Tube Coils, Evaporator, Condenser, Heater in Aluminum and Copper Tubes of 5&7mm, 5/16", 3/8" dia with warehouse in Virginia, USA

Manufacturer of residential and industrial chimney, gas vents, pressure stacks, pipe and fittings; RSF and Renaissance brands are high efficiency and decorative wood-burning fireplaces.

Industrial Maid is the premier manufacturer of air purification systems to fit virtually any industrial application or budget. They are an air filtration manufacturer with unmatched customer services, disruptive technology, and a philosophy of continuous improvement. Their unique equipment offerings incorporate environmentally sound components and keep purchase, installation, and operation simple.

Inland Empire Comfort Air Conditioning and Heating believe in supporting their local Riverside community members. They make relationships with their clients, making sure they are getting all of their needs taken care of. Their clients can vouch for the personal one-on-one service they receive, which is both comforting and helpful during a home repair.

Inner-Cool is an innovative pioneer in manufacturing hydronic fan coil systems since 2017. They are a Canadian OEM company based in Mississauga. They are able to customize any of our systems to suit the needs of the clients for multiple types of locations, i.e. high-rise condos, hotels, hospitals, etc.

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

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.

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.