In 1890, two brothers, William H. Gray and Malcolm Gray formed Rochester Can Company. Marketed under the trade name "Iron Horse", Rochester Can manufactured a speciality line of metal products sold to wholesale and hardware companies. Items manufactured under the "Iron Horse" name were buckets, assorted pails, coal hods, grain troughs and metal cooking utensils.

Gray Metal South present and continued objectives are to supply our distributors with a product line that is always consistent in exceptional quality, delivered on time, at a fair market price.

At Green Refrigeration LLC, they will take care of all commercial refrigeration, HVAC services, custom wine cellars, glycol chillers, walk-in coolers & freezers, food equipment, Ice machines (cubers & flakers), Ice machine rental, cold storage solutions, gelato machines, and commercial hot water heaters needs from start to finish. They provide high-quality services for commercial & residential customers in Palm Beach, FL.

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

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.

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.

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.

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.

Hill & Associates Ltd. is a globally renowned consultancy and services firm that help enterprises identify and mitigate risks to their business in a cost effective and suitable manner, thus enabling them to continue to operate securely and ethically.

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.

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.

Huguenot Laboratories specializes in treating all aspects of fire sprinkler systems. The company represents over 50 years of experience in the water treatment and fire sprinkler industry. Huguenot is the only UL-certified product in the market. Huguenot Laboratories is a growth-oriented company whose mission is to provide a value-added service to the fire sprinkler industry.

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 Institute focuses on training and preparing an individual in practical skills that they can apply in the air conditioning, ventilation, and heating workplace.

HYTECH Analytics Watch Center (HAWC) Engineers and data analysts monitor system performance 24/7 to deliver true predictive maintenance and IAQ peace of mind with HYLTH-E Solutions.

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.

At ICC, use engineering, insight, and an instinctual love of fire to build products that delight and inspire.

IDC Fluid Control designs and manufactures valves and related products that promote the comfort, safety of people and the quality, conservation and control of water used in commercial, residential ,industrial and municipal applications.

IMS Evolve delivers simplicity and consistency through one single view of the cold chain, with a pragmatic approach to reducing waste, assuring high quality produce for customers and continuing to deliver new benefits year after year.

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.

Manufacturers of commercial kitchen equipment and domestic heating and cooking appliances are organized in HKI industrial association of House, Heating and Kitchen Technology. Both manufacturer groups are organized in separate associations which are subdivided into device-specific departments.

International WELL Building Institute (IWBI) is the global authority for transforming health and well-being in buildings, organizations, and communities around the world. IWBI's mission is to lead the global movement for putting people first in business decision-making and culture.

Interplay Learning is a software company with a mission to deliver scalable and effective trades training. Interplay Learning creates modules and training for multiple industries including HVAC.