Haakon Industries is a globally renowned company in custom designed and manufactured air handling units for all type of building environments. They strive to provide the highest quality equipment and the most flexibility in equipment design to provide optimal solutions for their clients.

Provides recurring maintenance, repair, and installation services for HVAC equipment.

Hagler Heating & Cooling is a full-service HVAC company in Ozark, AL. They are dedicated to supplying the best possible solution for home or business. They have earned a reputation among our customers for performing appropriately the very first time.

Haier has built a $30B business by offering solutions that fit customer's needs. Haier is a pioneer manufacturer of HVAC products from mini splits, multi splits, VRF to chillers. With its global R&D Centers, Haier is known for world-class quality and design, built and manufactured completely in-house.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

Hajoca has a robust history of helping to shape advances in plumbing. Hajoca provides Plumbing Wholesaler, Industrial Supplies, Swimming pool supplies, pipes, valves, fittings, Kitchen and Bath, and HVAC Materials and Supplies.

Haldeman Inc. is a stocking Manufacturer's Representative and Distributor of HVAC products since 1933. They service the Mechanical Contractor and Mechanical Engineering community in Southern California. They represent renowned HVAC products and equipment companies, including Big Ass Fans, Krueger, Ruskin, Loren Cook Company and System Air to name a few.

Hale Industries, Inc. offers a variety of high efficient, economical solutions for industrial and residential heating and cooling with Advanced Radiant Systems Infrared Heating, COOL-SPACE Evaporative Cooling, and PremAire air turnover systems.

Haley Comfort Systems are distributors of AC units, furnaces, heat pumps, thermostats, CO2 alarms, dehumidifiers, humidifiers, purifiers, filters, UV lamps, fireplaces and more.

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.

Halfmoon Education is a nonprofit continuing education provider located in Altoona, WI. Its goal is to provide affordable quality continuing education activities that keep users current and competitive.

Halpern - Jacobs represents the premier manufacturers of Heating, Ventilating, Air Conditioning, and Refrigeration Equipment and After Market Parts.

A/C , refrigeration and industrial wholesalers. Parts and supplies, motors, compressors, refrigerant,belts, bearings, copper, pvc pipe and fittings etc.

Halton Group is a family-owned, global technology pioneer in indoor air solutions for demanding spaces. They enable safe, comfortable, and productive indoor environments that are energy-efficient and comply with sustainable principles.

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.

Plenty has changed since Hamilton was founded in 1981, but plenty more continues to remain the same. Using they own patented technology, we engineer hot water systems and hydronic boilers that are more efficient and provide higher performance than most other products on the market today. Take the EVO line, for example. With operating efficiencies up to 99.8%, EVO stands alone among high-efficiency condensing water heaters, boilers and systems.

Hamlin offers full-service ductwork manufacturing and architectural sheet metal fabrication services, producing custom sheet metal products for roofing HVAC.

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

At Handyside Plumbing, HVAC & Electrical, they are a family owned and operated plumbing, heating, air conditioning and electrical business in Etters, PA. Giving their customers the friendly personal service of yesterday with the technical know-how of a constantly changing profession is just a sample of what makes them special.

Signs, tapes, labels, pipe markers, valve tags, nameplates and label/tag making equipment.

At Hanson Heating & Air provide the service, repair, and install products such as air conditioning, boilers, ventilation, generators, heat pumps, zone systems, air purifiers, and high-efficiency equipment for residential and commercial locations.

HANTEMP Controls offers an innovative line of stainless steel valves, flanges, and other controls built to withstand the harsh conditions of today's industrial refrigeration systems.

Harbor Air Conditioning is a pioneer air conditioning company. Most of the energy used in the home goes out in cooling and heating, act smart to have the Air conditioning fixed which can have a big effect on their utility bills.

Hardcast encompasses Hardcast Duct Sealants and Adhesives, DynAir Airflow Hardware and Accessories, and the Nexus 4-Bolt Flange Closure System. As an industry leader, Hardcast supplies superior products and engineered solutions to ensure the sustainability of your HVAC system.

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.

Harder Mechanical is a large nationally recognized contractor with an outstanding reputation for working safely, meeting tough schedules, delivering a quality project and coming in on budget. They provide HVAC, Plumbing, Process Piping, Steel Erection, Concrete Installation, Complex Equipment Installation, Design Assist/Build Service and much more.

HARDI is an association dedicated to advancing the science of wholesale distribution in the HVACR industry. HARDI members market and distribute heating, refrigeration, air conditioning equipment and supplies, sheet metal, controls, filters and related items.

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.

Harmon Heating and Cooling Inc is an HVAC Company that provides remarkable HVAC services to both residential and commercial customers in Omaha and the surrounding counties.

Harris Air Heating and Air Conditioning is an HVAC company in Benton, AR. They specialize in repairing and installing all makes and models of heating and air conditioning units at affordable rates.