Haley Mechanical, headquartered in Dexter, Michigan, is one of the pre-eminent residential HVAC companies in Michigan, servicing the Ann Arbor area. Services provided include Heating, Cooling, Geothermal Heating, HVAC, Plumbing, Electrical, Generators, Air Quality, Repair and Installation, and Drain Cleaning.

Hamel’s Air Conditioning and Heating is a small, family-owned business where customers are part of our family, not a number. We strive to provide the same level of service we would expect in our own home for each customer we serve. We can provide this level of service because we are not the biggest HVAC business in town and never will be. Instead, our focus is on an unrivaled customer experience.

Hamilton Heating and Cooling is an expert, full-service heating and cooling company that has been around since 2000. Based in Hamilton, Ontario, this company specializes in the sales, installation, and repair of home heating, air conditioning, and air treatment systems. The company is made up of a team of heating and cooling experts that offer high-quality HVAC solutions for residential clients in Hamilton and nearby areas.

HAMPDEN ENGINEERING CORPORATION has built a reputation for manufacturing Cutting Edge, Engineering and Technology Training Equipment of the highest quality since 1954.

Harry Alter Co. is a renowned US-based wholesale distribution of heating and air conditioning equipment, parts and supplies. They provide furnaces, air conditioners, hydronic heating solutions and refrigeration supplies.

Harshaw Trane creates and sustains high performing, efficient and secure facility environments. They partner with many of the top-ranked private and public institutions on innovative technology and systems that optimize performance while minimizing energy use and reducing costs over the entire lifecycle of a building.

Haskel is the major manufacturer of highly engineered pumps, gas compressors, valves and equipment designed to generate and control high pressures and deliver high-pressure gases in a wide variety of applications. As an Ingersoll Rand business, Haskel leverages a global network to offer local support and product specific expertise.

Head’s Heating & Air Conditioning is an HVAC company that offers complete heating and air conditioning services in the Mobile and Baldwin county area. Their company was established in the year 1979.

At Heartland Heating & Cooling, they're more than just a repair company – they're home comfort specialists. Their team has extensive experience servicing and repairing all makes and models of residential heating and cooling equipment. Their mission is to provide prompt, professional, quality heating & cooling services to their customers in the Central Ohio area, and to build a reputation as being honest and committed to customer satisfaction.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

Heat Merchants supplies a comprehensive portfolio of heating, plumbing and renewable energy solutions for both domestic and commercial projects. They also provide a range of support services to customers include heating system design and specification, commissioning, ancillary certification, after-sale service and installer training.

Heatco manufactures gas-fired stainless steel duct heaters. Their mission is to design, build, and deploy America’s highest quality gas heaters while providing industry-leading customer satisfaction.

HeatFix Scotland Ltd is the market leader in Scotland for service & repair on all renewable and carbon-fueled heating appliances. They are the number one choice in Scotland for professional boiler repairs, servicing, and boiler cover.

As a leading provider of home heating repairs in New Jersey, Hudson Heating is a family owned and operated business, licensed, bonded and insured that offers both residential and commercial HVAC repairs, service and installation.

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.

HEATMOR® Outdoor Furnaces have been manufactured for over 30 years. Throughout those 30+ years, HEATMOR® has managed to stay in front of the competition with their passion to build the longest lasting unit on the market. HEATMOR® stainless steel outdoor furnaces are easy to load, maintain, operate, and are available in a wide selection of colors. Each furnace is designed and proven to outlast mild steel brands up to three times.

Heil Heating & Cooling Products cater to residential needs by manufacturing light commercial heating and air conditioning products, air purifiers, condensing units, gas furnaces, heat pumps, accessories, 2-25 ton rooftop units.

HELEC has over 17 years of experience in designing & supplying space heating and hot water systems, utilizing a variety of technologies from traditional fossil fuel equipment through to advanced low carbon renewables.

For over 125 years, Redlands and Henry Bush Plumbing, Heating, and Air have been proudly serving the Inland Empire community with top-notch HVAC service and expertise. When it comes to any plumbing and HVAC needs, they're the leaders who customers can rely on for honest service. Their experienced team is dedicated to exceptional service.

Herrera Heating and Air Conditioning Inc are more than just an HVAC company in Westminster – they’re partners in creating comfortable and efficient living and working environments. And as a trusted family-owned HVAC contracting company with over 30 years of experience, they pride themselves on delivering comprehensive services for both residential and commercial properties in Westminster and the entire Metro Denver area.

Hertel is a pioneering international, multi-disciplinary, industrial services company. It supports its customers with Access Solutions, Insulation, Corrosion Protection, Mechanical, offshore Living Quarters, and Specialist Services. Hertel is working for customers in the Oil and Gas, Process, Energy, and Offshore industries.

Holliday Heating + Cooling + Electric has been a trusted name in the Spokane and Coeur d’Alene areas since 1987. When it comes to home comfort and electrical needs, Doc and Chris are the go-to company. Serving the Inland Northwest with 24/7 emergency service, choose Holliday Heating + Cooling + Electric for furnace, air conditioning, electrical, or air quality, or other home comfort repairs and new installations.

For nearly 20 years, Holtzople Heating and Air Conditioning has been a leading HVAC company serving central Maryland and southern Pennsylvania, featuring star brands such as Trane, Lennox, Carrier, Bryant, ClimateMaster and more. Holtzople provides complete installation, repair and preventive maintenance agreements for residential heat pumps and air conditioners, as well as oil and gas furnaces and boilers.

Home Comfort Alliance has provided award-winning customer service for over 40 years. Call us today for all your heating, air conditioning, plumbing and electrical needs.

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.

Hometown Comfort Pros Heating and Air provide heating and air conditioning services in Forest Virginia, Bedford Virginia, Evington Virginia, Madison Heights Virginia, Amherst Virginia, and Smith Mountain Lake Virginia regions.

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.

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.

HTPG designs and manufactures heat transfer components and equipment for refrigeration applications in the food service, food retail and other non-consumable markets. Its products are sold primarily in the USA and Canada to original equipment manufacturers (OEMs), Air Conditioning and Refrigeration Wholesale (ARW) distributors, and direct to end-user customers.

Hurley & David provides residential HVAC Services and residential plumbing services. Since 1960, the business has been servicing Eastern MA and northern CT. They provide a wide range of plumbing services from air conditioning, furnace, boiler, or HVAC system installation, maintenance, and repair.