In 1950 Edward M. Smith designed a small non-corrosive centrifugal pump while employed at Barnes Manufacturing in Mansfield, Ohio. Ed believed this new pump fit a need in the appliance industry for dishwasher and washing machine drain pump applications.

Gorman’s Heating and Cooling has been providing fast and reliable HVAC services to residential and commercial customers in the Greater Kansas City Metro area.

Since 2008, GPS has worked to deliver the clean air benefits of ionization without the negative effects of ozone-producing technologies.

Grace will work with users to find the best HVAC solutions that fit their cooling and heating needs. They will provide users with a full consultation to explain all of the available options so that users can choose the system that’s right for their home or business.

Gradient’s mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it — without compromising the environment. The company's vision is a future where everyone has access to comfortable buildings that are fully decarbonized. Their launch product is a direct-to-consumer high-efficiency and low-carbon heat pump.

Graham Heating and Air Conditioning is a family-owned residential HVAC business servicing, the Tampa metro including Clearwater, Largo, Pinellas, and St Petersburg. They value providing all of Tampa with a comfortable life. They do this by using a proven process that provides a consistent, high level and long-term customer experience.

Grand Canyon Air Conditioning, Heating, & Plumbing in Surprise, AZ has been in operation since 1998. They offer all types of services including: Surprise AZ heating, air conditioning and indoor air quality products in order to make homes more comfortable.

Grand Forks Heating Inc., is a full-service HVAC company in Grand Forks, ND. With many years of experience, they focus on all the air conditioning and heating requirements. They strive hard to provide the best possible service to the residential and commercial customers.

Grand Traverse Refrigeration, Inc., has been providing heating, cooling, and refrigeration services to customers in the Traverse City and the surrounding areas. They are the HVACR company. They service, repair, install, maintain and design all makes and models of heating and air conditioning systems.

Grandy & Associates provides business training exclusively to the service and trades industry (HVAC, plumbing, electrical, chimney sweeps, pool and spa, landscaping, security, etc.) They have trained over 16,000 contractors across the United States and Canada on how to run profitable businesses.

Grant Heating and Air, LLC is a family owned and operated HVAC Company based in Farmington, MN. They focus on providing top quality services and products and solution to meet up with the clients' home convenience requirements.

Grass America is a quality-driven manufacturer of hinges, drawer slides, lifters, and drawer systems. The company's first-class movement systems keep America’s kitchens, baths, and office facilities operating at their best. Grass America's manufacturing facility in Kernersville, North Carolina, sells functional hardware and accessories throughout the US, Canada, and Mexico via 130 distributor locations.

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.

Graybeal’s All Service HVAC, was founded in 1993 by Dave and Debbie Graybeal. Combining Dave’s technical expertise and certifications, Debbie’s BA in business, and their desire to provide quality service, Graybeal’s All Service HVAC was born.

GrayWolf manufactures indoor air quality measurement instrumentation that helps optimize the balance between building energy savings and occupant performance, comfort and health. GrayWolf is dedicated to providing reliable, high quality products.

Great American Coil is a full service manufacturer of evaporator, condenser, hot and chilled water, low-pressure steam and chilled beam coils. They make coils in flat or bent configurations and can help with performance or design.

Great Dane Heating, Cooling, Electrical, & Plumbing is a trusted contractor in Farmington Hills, Michigan, specializing in heating, cooling, electrical, and plumbing services. They offer expert HVAC repairs, new equipment sales, installations, and maintenance for residential and commercial clients. Their skilled team also provides top-quality plumbing and electrical services, from repairs to full system installations.

Great Guys is one of the fastest growing Technician Owned HVAC & Electrical companies in the Denver Metro! Their trusted Heating, Cooling, Ventilation & Electrical technicians solve all HVAC problems, and make recommendations for improved solutions to ensure the home or business is always comfortable, efficient and safe. They offer comprehensive services and equipment that are uniquely selected to best meet varying needs.

Greater Northwest Reps is an independent manufacturers representative firm, dedicated to the efficient sales and marketing of Residential, Commercial, and Industrial Heating, Ventilating, and Air Conditioning products. Its service areas include Oregon, Washington, Idaho, Alaska, British Columbia, and Alberta.

Since their beginning in June of 2010, Green Air Concepts HVAC has worked hard to deliver expert service at reasonable prices to Ardmore, Pennsylvania, and the surrounding areas. Owner Duane Enoch and his team will treat the home with the respect it deserves, and provide a solution to all the heating and cooling needs.

Green Builder Media is a globally renowned media company in the North American residential building and HVAC industry, focused exclusively on green building and responsible growth. With a comprehensive suite of print media, online options, demonstration homes, case studies, training and education vehicles, and live events, Green Builder Media assists building professionals prepare themselves for the new green economy.

Green Clean Institute is a globally renowned green energy certification and standards organization for HVAC systems and services. They have been offering green training and certification for over twenty years now.

Green Energy & Air Tech is an HVAC repair company in NY with focus on heating and cooling repair services and tune-ups, AC/boiler installations, and Smart Home installation and services.

GREEN LINK is an innovative engineering company that develops and produces polymeric architectural products for the construction and HVAC industry. They work with contractors, architects, building owners and facility managers to engineer and produce the best possible solutions to meet the construction challenges.

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.

Green Street HVAC are Tennessee's major source in Heating, Ventilating & Air Conditioning. They service and repair HVAC units, heat pumps, air conditioners and heaters. Green Street HVAC offers excellent service with fair pricing. Green Street’s certified technicians are experienced and trained to service, maintain, install and repair all makes and models of commercial air conditioning & heating equipment.

Based in West Palm Beach, Greenfox Air Quality specializes in HVAC remediation and air quality services. Their team of seasoned air quality professionals is dedicated to conducting detailed inspections and remediation of residential or commercial HVAC systems. They address a comprehensive range of HVAC and air quality issues, ensuring the environment is not just clean, but truly healthy.

Greenheck is a pioneer in manufacturing and distributing air movement, conditioning and control equipment. Their products include fans and ventilators, centrifugal and vane axial units, make-up air units, energy recovery ventilators, packaged ventilation systems, indoor air handlers, dampers, louvers, lab and fume exhaust systems.

GreenTree Air Conditioning Inc. has been providing Pompano Beach & surrounding areas with exceptional HVAC services since 2015.