Oil Furnaces (375 found)
Fulton Heating Solutions is a global manufacturer and innovator of high efficiency condensing boiler technologies. Its newest boiler line - the Endura+ commercial condensing boiler.
G.L. Jorgensen Heating & Cooling was established in 1989 by Gary Jorgensen Sr., in 1990 Gary Jr. joined the team and since then they have been a family-owned and operated business. They are here to provide exceptional heating, A/C and water heating services to the community! Call them when they are in need of service, repair or installation.
Gainesville Mechanical Inc. are distributors of air conditioners, ductless HVAC, indoor air quality products, heating and more. They also provide repair, service and installation for the same.
Since 1997, Gale Force Heating & A/C, Inc. has grown to become a well-respected name providing heating, air conditioning and air quality services in the Denver Metro area. From air conditioners to heat pumps, furnaces and more, they are proud to represent products that they’ve found to have long-lasting reliability.
Gem Heating & Air Conditioning is owned and operated by James Barrett. James and his team bring over 20+ years of experience in the HVAC repair, service and installation industry in southern Idaho, USA. Gem Heating & Air Conditioning are proud to run their business with strong values and work ethic, so that every customer feels they are getting the best service for their HVAC needs.
The George F. Wheelock Co. is a distributor of heating and air conditioning equipment. They were founded as a sheet metal fabricator and roofing and furnace supplier.
The Central Association of Sanitary, Heating, Air Conditioning (ZVSHK) is the professional organization, trade association and interest group for the HVAC trades in Germany. The ZVSHK is the founder and sponsor of the world's leading trade fair ISH .
Glamsbjerg- Haarby Varmeværk is a renowned Danish district heating company. Glamsbjerg-Haarby Varmeværk produces and supplies hot water to all households connected to the district heating network in Glamsbjerg and Haarby, in Denmark.
GLOB Energy is an oil drilling mud business that provides great products for drilling, completions, and cementing. They know that finding the right drilling product to use is a choice not to be taken lightly. That’s why they offer highly efficient products to help customers get the job done efficiently.
Global International Heating and Cooling Co company is proud to have obtained the following Licenses and Certifications: Orraca Brazing License, Lead Paint Renovation License, Contractors License #234255, Epa 608 universal type 1,2 and 3, Epa 609 MVAC, Indoor air quality Certified, Green Energy Certified, R410-A Certified, HFO certified and Nate Certificate.
GNPW Group develop special businesses and projects in the area of energy, fossil and alternative fuel logistics. The GNPW Group was founded in 1993 and is formed by companies with outstanding performance in business development and special projects in the areas of Energy, Logistics and Fossil Fuels.
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.
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.
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.
GreenTree Air Conditioning Inc. has been providing Pompano Beach & surrounding areas with exceptional HVAC services since 2015.
Gutierrez Brothers HVAC was founded by Nevali, who brings 15 years of industry expertise and a passion for quality service. Based in Middletown, they specialize in a comprehensive range of HVAC solutions, including installation, repair, and maintenance of heating and cooling systems. Their team is dedicated to ensuring optimal comfort in homes throughout Orange County, utilizing the latest technology and techniques.
H. A. Phillips & Co. is a single source manufacturer and supplier of modulating control solutions for industrial refrigeration systems. They provide ammonia refrigeration valves, control systems, custom ASME pressure vessels, air purgers, Anhydrators, packaged refrigeration controls, regulating and solenoid valves, Level Eye sightglasses, refrigeration flanges.
Hartman Brothers Heating & Air Conditioning Inc is a full service HVAC company based in New Haven, IN. They offer a wide variety of products and services including installation; engineering; sheet metal fabrication; custom designed heating, cooling, and ventilation systems.
Haskel is the major manufacturer of highly engineered pumps, gas compressors, valves and equipment designed to generate and control high pressures and deliver high-pressure gases in a wide variety of applications. As an Ingersoll Rand business, Haskel leverages a global network to offer local support and product specific expertise.
Hearth Stopper provides customizable, decorative fireplace covers across the USA. Eliminate cold drafts and boost comfort with their premium fireplace opening covers, designed to fit any decor and significantly boost the home's energy efficiency. Learn how to cover fireplace opening with Hearth Stopper fireplace insulated covers.
At Heartland Heating & Cooling, they're more than just a repair company – they're home comfort specialists. Their team has extensive experience servicing and repairing all makes and models of residential heating and cooling equipment. Their mission is to provide prompt, professional, quality heating & cooling services to their customers in the Central Ohio area, and to build a reputation as being honest and committed to customer satisfaction.
Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.
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 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.
Heatco manufactures gas-fired stainless steel duct heaters. Their mission is to design, build, and deploy America’s highest quality gas heaters while providing industry-leading customer satisfaction.
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.
As a leading provider of home heating repairs in New Jersey, Hudson Heating is a family owned and operated business, licensed, bonded and insured that offers both residential and commercial HVAC repairs, service and installation.
HEATMOR® Outdoor Furnaces have been manufactured for over 30 years. Throughout those 30+ years, HEATMOR® has managed to stay in front of the competition with their passion to build the longest lasting unit on the market. HEATMOR® stainless steel outdoor furnaces are easy to load, maintain, operate, and are available in a wide selection of colors. Each furnace is designed and proven to outlast mild steel brands up to three times.
Heil Heating & Cooling Products cater to residential needs by manufacturing light commercial heating and air conditioning products, air purifiers, condensing units, gas furnaces, heat pumps, accessories, 2-25 ton rooftop units.
HELEC has over 17 years of experience in designing & supplying space heating and hot water systems, utilizing a variety of technologies from traditional fossil fuel equipment through to advanced low carbon renewables.
Browse HVAC companies
Related white papers
Leveraging Radiant And Hydronics To Help Achieve Decarbonization Goals
Debunking Myths To Promote A Bright Future For Heat Pumps
Optimizing Comfort: The Ultimate HVAC Component Guide
Featured events

InstallerSHOW
- 24 - 26 Jun, 2025
- Birmingham, United Kingdom (UK)

InstallerSHOW 2025
- 24 - 26 Jun, 2025
- Birmingham, United Kingdom (UK)

17th Real Estate Development Summit Saudi Arabia
- 25 - 26 Jun, 2025
- Lisboa, Portugal

East Africa Infrastructure & Water Expo 2025
- 26 - 28 Jun, 2025
- Addis Ababa, Ethiopia

Big 5 Construct Ethiopia 2025
- 26 - 28 Jun, 2025
- Addis Ababa, Ethiopia

Cold Chain Exhibition 2025
- 2 - 4 Jul, 2025
- Bangkok, Thailand

Build4Asia 2025
- 15 - 17 Jul, 2025
- Wanchai, Hong Kong

12th International Conference of Fluid Flow, Heat and Mass Transfer (FFHMT 2025)
- 15 - 17 Jul, 2025
- London, United Kingdom (UK)

Houston Build Expo 2025
- 11 - 12 Jun, 2025
- Austin, United States of America (USA)

ATMO America Summit 2025
- 11 - 12 Jun, 2025
- Atlanta, United States of America (USA)

Big 5 Construct Egypt
- 17 - 19 Jun, 2025
- Egypt, Egypt

Ivory Coast HVAC Expo 2025
- 17 - 19 Jun, 2025
- Abidjan, South Africa

Mega Clima Kenya 2025
- 18 - 20 Jun, 2025
- Nairobi, Kenya

ASHRAE Annual Conference 2025
- 21 - 25 Jun, 2025
- Phoenix, United States of America (USA)

International District Cooling Conference (IDCC)
- 23 - 24 Jun, 2025
- Jeddah, Saudi Arabia

InstallerSHOW
- 24 - 26 Jun, 2025
- Birmingham, United Kingdom (UK)

InstallerSHOW 2025
- 24 - 26 Jun, 2025
- Birmingham, United Kingdom (UK)

17th Real Estate Development Summit Saudi Arabia
- 25 - 26 Jun, 2025
- Lisboa, Portugal

East Africa Infrastructure & Water Expo 2025
- 26 - 28 Jun, 2025
- Addis Ababa, Ethiopia

Big 5 Construct Ethiopia 2025
- 26 - 28 Jun, 2025
- Addis Ababa, Ethiopia

Cold Chain Exhibition 2025
- 2 - 4 Jul, 2025
- Bangkok, Thailand

Build4Asia 2025
- 15 - 17 Jul, 2025
- Wanchai, Hong Kong

12th International Conference of Fluid Flow, Heat and Mass Transfer (FFHMT 2025)
- 15 - 17 Jul, 2025
- London, United Kingdom (UK)

Houston Build Expo 2025
- 11 - 12 Jun, 2025
- Austin, United States of America (USA)

ATMO America Summit 2025
- 11 - 12 Jun, 2025
- Atlanta, United States of America (USA)

Big 5 Construct Egypt
- 17 - 19 Jun, 2025
- Egypt, Egypt

Ivory Coast HVAC Expo 2025
- 17 - 19 Jun, 2025
- Abidjan, South Africa

Mega Clima Kenya 2025
- 18 - 20 Jun, 2025
- Nairobi, Kenya

ASHRAE Annual Conference 2025
- 21 - 25 Jun, 2025
- Phoenix, United States of America (USA)

International District Cooling Conference (IDCC)
- 23 - 24 Jun, 2025
- Jeddah, Saudi Arabia

InstallerSHOW
- 24 - 26 Jun, 2025
- Birmingham, United Kingdom (UK)
From A To L: Your A2L Transition Guide
DownloadLeveraging Radiant And Hydronics To Help Achieve Decarbonization Goals
DownloadSealed Connectors In Harsh Environments
DownloadPowering And Cooling Next Generation Data Centers
DownloadDebunking Myths To Promote A Bright Future For Heat Pumps
Download