Hayes Mechanical is a one stop, full service mechanical contractor specializing in both Commercial, Industrial, and Power-Generation related work.

Since 1914, HB McClure has served homes and businesses in Central Pennsylvania by providing premier residential, commercial, and design/build mechanical services, including heating, cooling, plumbing, electrical, and fuel oil and propane delivery. Our expert technicians evaluate each job, recommend the best solutions, and allow the client to choose the right option for their needs.

HBB Pro Sales Group Inc. is a representative of high quality HVAC/R products lines in Ohio, Kentucky, Indiana, Michigan, Western Pennsylvania, and West Virginia.

HD Supply, a wholly owned subsidiary of The Home Depot, is a leading wholesale distribution company serving customers and their communities across the Multifamily, Institutional, Hospitality, Trades, Government Housing, Healthcare, Building Services, and Education industries through an expansive network of over 100 distribution centers across the U.S. & Canada.

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.

Heald Mechanical is the name you can trust for commercial and residential HVAC repair in Sacramento. All of your air conditioning and water heater needs are handled by us. Our company is a family-owned company operating in California since 1910. With years of experience, we provide high-quality service at a reasonable price. Our job is not finished until you are not completely satisfied with us.

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

HEAT PIPE TECHNOLOGY, INC. (HPT) is a provider of energy recovery and dehumidification systems for commercial applications around the globe. Employing the very latest in passive heat transfer technology, HPT designs and supplies the core systems to the commercial air handling equipment manufacturers.

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.

Heatex is a cleantech company that optimizes and develops energy-saving thermodynamic products and solutions that contribute to a sustainable future.

Heieck Supply is a plumbing wholesaler in the Sacramento, CA area. Whether it be a bathroom remodel, building a high rise, or swapping out water heaters Heieck Supply is the one-stop-shop for all the plumbing needs.

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.

HH Technologies® is widely recognized as a supplier of high-performance, automated door systems, portable evaporative cooling systems and contract manufacturing services to other OEM companies. Since 1978, their on-site engineering and manufacturing operations in Bremen, Alabama has produced the most respected brands within the markets that they serve.

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 & Hoffman, Inc. is a company that provides expertise in the selection and application of commercial and industrial heating, ventilation, air conditioning, filtration and direct digital control (DDC) systems. They represent manufacturers of the highest quality HVAC equipment and controls available on the market today.

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.

Hole Pro provides unique hole cutting tools for use by professional trades people, including electricians, HVAC and refrigeration contractors, audio and CCTV security systems installers, carpenters, MRO engineers, plumbers, and remodelers. Their tools save them time and enable them to safely complete jobs faster.

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.

H&V offers a variety of highly engineered media that meet or exceed different global standards and offer lower pressure drop, energy savings, and longer media life.

As Georgia’s #1 American Standard dealer, Holtkamp provides award-winning air conditioning repairs, AC replacement, and AC maintenance to Gwinnett County and surrounding areas from their Suwanee headquarters.

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.

Homans Associates is the premier distributor of HVAC Equipment, Supplies and Mechanical Insulation products in the Northeast. We've been serving the contractor community since 1952 with locations across all of New England plus New York and New Jersey. Our logistics network includes over 80 trucks and almost 1 million square feet of distribution space.

Home Connectivity Alliance (HCA) is an appliance, HVAC, and TV manufacturers alliance that is focused on IoT and connectivity in the new digital landscape.

hOme Technologies, LLC is a home appliance company based in USA, that design and manufacture things like dehumidifiers, air conditioners, etc.

HomeServe USA Corp. is a renowned provider of HVAC systems, equipment and home comfort solutions. The services offered by the company include Plumbing, Sewer Line, Heating & Cooling Solutions, Electrical Wiring, Water Service Line, Gas Line, Septic Line, Heating Tune-Ups, Cooling Tune-Ups, and Hot Water Heater Repairs.

Hometown Heating and Air Conditioning are a licensed and bonded HVAC (heating, ventilation and air conditioning) Contractor with a C20 License in the state of California and all cities that they service. Brian Waskow founded the company in June of 2012 with his family.

Honey-Do-Men is an experienced and full-service home improvement contractor. They provide comprehensive remodeling, repair, and maintenance solutions for home owners. For anyone who requires their assistance in gutter repair or replacement, roof repair, or handyman services, they can help.

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.

Honeywell is a provider of custom-engineered sensors, switches and controls, and productivity solutions built around its high performance data collection hardware including rugged mobile computers, voice-enabled software, bar code scanners, radio frequency identification (RFID) and workflow printing solutions. They also provide pressure sensors for HVAC and refrigeration equipment.