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

Hansen Super Techs evolved from a strong foundation in Heating & Air Conditioning service to expanding into Electrical & Plumbing over the years. They have established a reputation as the best quality & pricing in town for all commercial & residential service needs!

Hart-Hammer, Inc. is a US-based provider of sales and engineering support in Iowa, Nebraska, the Quad Cities, and Western Illinois. They represent 27 HVAC manufacturers including AAON, Nailor, Ruskin, CamFil, Strobic, and many others. The company focuses on heating and air conditioning services for commercial/institutional and temperature control/measurement for hospitals and laboratories.

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.

HDR | Hurley Palmer Flatt Group is the UK’s leading independent multidisciplinary engineering consultancy, providing solutions for the built environment. HDR | Hurley Palmer Flatt Group is Headquartered in London, and comprises of: - HDR | Hurley Palmer Flatt - HDR | Andrew Reid - HDR | Bradbrook Consulting - HDR | Concentre Consulting

The Heat Exchange Institute (HEI) is a non-profit trade association committed to the technical advancement, promotion, and understanding of a broad range of utility and industrial-scale heat exchange and vacuum apparatus. The primary purpose of HEI is to develop and publish standards which advance the technology, increase the efficiency, and promote the use of heat exchange and vacuum apparatus.

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

Heating Force has experience on both sides of the heating industry, and that’s enabled them to build one of the biggest free resources in the UK – helping over 60,000-150,000 visitors with boiler problems every-single-month. They also connect homeowners with cheap boiler installers, such as HEATABLE or WarmZilla.

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.

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.

The Heating and Air Conditioning Contractors at Hoffmann Brothers have provided the greater St. Louis area with reliable and professional services for more than 40 years. They incorporate modern HVAC and plumbing technology. The Hoffmann Brothers’ Heating team install or repair heating systems of any brand. Some appliance repairs offered include: Refrigerator Repairs, Microwaves, Dishwasher Repairs, Freezer Repairs, etc.

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.

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.

HVAC IT Services specialize in providing expert IT support, cyber security, telephone systems, and internet services tailored specifically for the HVAC industry. As the renowned IT support company for HVAC businesses, they are dedicated to helping customers grow through digital transformation to increase productivity, efficiency, and business performance.

HVAC Ontario offers best HVAC deals in Greater Toronto Area. They are experts in sales, services and installation of furnaces, air conditioners & tankless water heaters.

HVAC Technical Solutions Ltd are a well established, Yorkshire based HVAC contractor serving the UK. They specialize in heating, air conditioning, ventilation and BMS systems. Their primary services include design, installation, maintenance and repair of mechanical and electrical building services. They also design, supply, install and maintain a wide range of Air Conditioning equipment to suit client specifications.

IAQmatters is a joint initiative of heating, ventilation and air conditioning (HVAC) manufacturers in Europe and the Middle East, which provides solutions to ensure a healthy indoor climate.

Since 1979, Indoor Comfort Team has performed heating and air conditioning services for residential customers across greater St. Louis, including Metro East suburbs in St. Clair County, Illinois. They provide quality services with a full guarantee. They're a family-owned & operated HVAC company, offering superior residential HVAC services to St. Louis & surrounding areas.

IonicBlue® is a joint venture between Johnson Controls, the global pioneer in delivering energy and infrastructure solutions, and Apollo Global Management a leading, global alternative asset manager. They deliver a total solutions approach through the expertise of Johnson Controls and the unmatched ability of Apollo to provide alternative capital solutions.

Island Heating & Air Conditioning provide services for all AC maintenance and furnace repair needs. They also deal with AC Installation, AC Repair Service, Complete AC Replacement, Furnace Maintenance, Heat Pump Maintenance, and Heat Pump Installation.

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.

Joule Consultants was formed in 2001 and incorporated in 2002. They are a privately owned Professional Building Services Design and Energy Management Consultancy based in Blackpool and Liverpool. They deliver HVAC inspection and commissioning services that can be used to commission HVAC systems, benchmark existing systems, and identify/ correct poorly performing systems.

Kimastål is a leading ventilation wholesaler located in Viken county, known for offering first-class ventilation systems in Norway. Klimastål use an advanced spiro machine to make ventilation pipes in all dimensions from Ø100 to Ø1250.With spiro pipes, we have an extensive range of ventilation parts and ventilation systems, including aggregates both with and without cooling coil. We also sell fans, filter and all ventilation accessories.

Klondike Air | Heating & Cooling ExOrange County’s most trusted residential air conditioning and heating/heater repair service, installation, and maintenance specialists since 1989.

Klondike Air Conditioning and Heating, a family-owned and operated business, has been catering to the heating, air conditioning, indoor comfort, and air quality requirements of Orange County since 1989. Their objective is to deliver superior workmanship in HVAC service, repairs, and installations. From system installations and maintenance to repairs and efficiency upgrades, trust Klondike Air for all HVAC needs.

KYODO PRODUCTION-TRADING-CONSTRUCTION CO., LTD provides construction and installation of clean rooms for production, related systems such as HVAC, fire protection, insulated panels, cold storage, etc.

Lafert North America Inc. is keeping up to date with all COVID-19 developments surrounding the pandemic, and following all applicable Canadian Government, Canadian Public Health, CDC (Centers for Disease Control) & WHO (World Health Organization) guidelines and regulations, while doing our part to contain the spread.

In 2010, a few marketing guys came together to start something new. Frustrated with the standard in the marketing world to put profit over value, founders wanted to do things differently.

Legacy Heating and Cooling offers the most comprehensive and cost-effective HVAC products and services in Edmonton and Calgary surrounding areas. With many decades of experience in the field, they pride on putting quality and customers first! Furnaces, Air Conditioning, Hot Water Heaters, Garage Heaters, Heat Pumps, Humidifiers, Thermostats, Filters and more! Plus, Legacy offers both Lifetime Protection Plans and Annual Maintenance Plans.