Hastings HVAC, Inc. is a pioneer in commercial and industrial heating, ventilating and air-conditioning systems. They offer a company-staffed field solution to ensure Hastings' items are properly built, properly set up and correctly serviced.

Hatch Company was established in 1985 with over 30 years’ experience as a manufacturer’s rep firm serving Western Canada, and the northern Territories. They provide solutions for the HVAC/R marketplace, focused on institutional, commercial, multi-family residential, and industrial construction projects. They cater their services to both the new construction and the retrofit markets.

Hatcher Heating & Air Inc is a locally owned and operated HVAC company in Pensacola, FL. They pride themselves on providing the best possible service to all their customers.

HaVACo Technologies Inc. is focused on revolutionizing the HVAC air distribution industry with product design, functionality and performance offering time saving technology and simpler maintenance.

HAVEN develops air monitoring technologies and connected (IoT) products, focused on detection of common particles and chemicals that affect human health. HAVEN has designed a proprietary laser-based particle detecting technology that is miniature, accurate and reliable; costing a small fraction of other sensors on the market with similar capabilities. Their software platform processes a large amount of environmental data.

Havtech represents innovative HVAC equipment and building automation system manufacturers serving both the commercial and industrial markets. Havtech has expertise in energy efficient HVAC system design and green building methods thereby allowing them to offer cost-effective solutions that provide a low environmental impact at the highest return on investment to our customers.

Hawkins HVAC Distributors is a new company with a strong history in North Carolina set on delivering Charlotte and the surrounding areas the service it deserves. They provide parts of all residential and commercial HVAC systems.

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

Hayes Pump offers a variety of engineered pump systems to meet your process system needs for all markets and applications. Custom packaged skids, fuel oil sets, seal water systems, chemical feed systems, mobile pump packages, booster systems.

Haynes Mechanical Systems has provided technical facilities services for the commercial real estate market since 1968. They focus on working together with the customers to provide solutions to their heating, ventilation, and air conditioning (HVAC) needs.

Hays fluid controls makes the world's most effective automatic flow control valves and related vital components for the hvac industry.

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.

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

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.

Health and Safety Executive (HSE) is the national independent watchdog for work-related health, safety and illness. Their mission is to prevent death, injury and ill health in Britain's workplaces. They are an independent regulator and act in the public interest to reduce work-related death and serious injury across Great Britain’s workplaces.

Heat Exchangers WA was established in 2003 with a vision to become the very best plate heat exchanger service center in Australia, having accomplished this we are now expanding our supply and service range to include a wider variety of heat transfer equipment.

Heat Geek is renewing the heating industry. Home heating accounts for 17% of the UK's carbon emissions and to tackle this, they have developed a digital-first experience that enables people to upgrade their homes with carbon-free heating. Heat Geeks are part of one of the largest independent renewables installer communities in the country, with access to incredible training and community support to deliver customer energy upgrades.

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.

Heat Orkney has an experienced team who can assess, install and commission any size of heat pump or air conditioning equipment. We pride ourselves on a professional service where the customer satisfaction comes first. They offer a free quote to supply, or supply and install, any sized systems throughout the whole of Orkney- including outlying islands, Shetland and northern Scotland.

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.

The Heat Pump Association (HPA) is the UK’s based authority on the use and benefits of heat pump technology and includes many of the country’s manufacturers of heat pumps, components, and associated equipment.

Heat Pump Federation lobbies government for long term policy supporting the electrification of heating and cooling, works to raise awareness, understanding and confidence in heat pump technology across both domestic and commercial sectors, and collaborates with government, industry and consumers to make this a reality.

Heat Pumps UK, a trusted company with years of industry experience providing an end-to-end service for customers has been looking to upgrade its heating system and taking advantage of the available funding schemes.

With 16 locations in Canada and the United States, HTS has grown significantly as a full-service, custom HVAC equipment provider since its establishment in 1992. Their products inventory includes chillers, heat pumps, air handling units, valves, building automation systems, heat exchangers, fan coil units, humidifiers and dehumidifiers.

Heatable offers fixed price boiler replacements to customers UK wide. They have partnered with Alpha, Viessmann & Worcester-Bosch boilers to provide products at super competitive rates. They are here to simplify the boiler buying process, provide transparency of pricing and pass huge savings on to the customers.

Heatcraft Refrigeration Products is a globally renowned company in commercial refrigeration, providing climate-control solutions to customers in more than 70 countries. They manufacture and service unit coolers, air-cooled condensers, condensing units, low-temperature, hot gas and electric defrost equipment, refrigeration systems, heat transfer systems, custom refrigeration rack systems, and refrigeration system controls.

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

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.