The United States is such a huge country, and because of that, people experience unmistakable extreme weather conditions, depending on where they live. Some people might experience the sweltering heat. But the others might experience the oppressive cold. Because of all this, people in the U.S. want to find a solution to combat these extreme weather conditions. And one solution is to have a boiler, which is a device that is not just perfectly applicable to central and water heating but to power generation, cooking, and sanitation as well.

It is your obligation as an HVAC professional to help people who are in dire need of a boiler. And in order to do that, you need to have a reliable manufacturer and supplier who can provide you with high-quality boilers. There are a lot of these manufacturers and suppliers in the U.S., so you won’t really have a hard time finding one. But if you don’t know where to start, you can choose to go through the 25 companies on this list.

Top Boiler Wholesale Suppliers/Manufacturers in the U.S.

Unilux Advanced Manufacturing



Unilux Advanced Manufacturing, LLC has been a dedicated supplier of high-end boilers since 1979. The company claims that they have designed, refined, and perfected their water-tube and fire-tube boilers by building for customers who think not in terms of projects, but in terms of decades.

Since the company’s establishment, they have created a wide variety of boilers, such as high-pressure steam boilers, low-pressure steam boilers, hot water boilers, and compact “VZ” boilers. In particular, they have claimed that their high-pressure boilers can handle conditions as demanding as 900 PSI, thus making them ideal for central heating, process, autoclave, injection process, main plant distribution systems,  and other applications.

In manufacturing their products, Unilux makes sure that they only utilize ASME compliant materials. Additionally, their products are extensively tested to ensure maximum performance and customer satisfaction.

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Founded in 1949, Fulton is a global supplier of reliable and long-lasting heat transfer systems. The company was built on a tradition of creating the highest quality boilers while striving for ultimate customer satisfaction. Aside from that, they also offer several energy effective solutions that are ideal for optimizing renewable energy. Some of their popular products include steam boilers, hydronic boilers, thermal fluid heaters, Invictus heat pump systems, temperature control units, ancillary equipment, and many more.

Fulton makes use of the most cutting-edge technology to create innovated and precision-made boilers. They also manufacture versatile high-pressure boilers that can produce results up to 6 million BTU/hr. Because of the superior quality that the products are made of, they have a ton of fantastic features, such as dual-fuel capabilities, and linkage-less modulation.

Hurst Boiler and Welding Company


Hurst Boiler and Welding Company, Inc. has been designing, engineering, and servicing a complete line of solid fuel, solid waste, biomass, gas, coal, and oil-fired steam and hot water boilers since 1967. In addition to all these products, Hurst also manufactures a complete line of boiler room peripherals, such as blowdown separator surge tanks and pressurized feedwater tanks.

The Hurst product line includes packaged boilers — 6 to 2,000 hp, and pressures up to 450 PSI— fire-tube, water-tube, and feedwater equipment for all heating and process applications, such as school, dry cleaning, hospitals, universities, military, and all commercial/industrial operations. Additionally, the company is also a custom manufacturer of engineered packaged boilers and boiler systems, biomass boiler systems, and integrated PLC-based boiler controls and accessories.

Thermal Solutions Products


Headquartered in Lancaster, Pennsylvania, Thermal Solutions Products, LLC is a company that specializes in designing the Evolution of high-efficiency copper-finned boilers and water heaters. To elaborate further, the Evolution takes the very best of existing copper-finned boiled and water heater technology to the next level by incorporating a list of design features that are not found in all products. Additionally, the Evolution has real-life serviceability, exceptional heat exchanger, advanced combustion design made simple, unique time-saving controls, and efficiencies of up to 97%. It truly is a cut above.

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Sussman Electric Boilers


Sussman Electric Boilers is an industry-approved boiler manufacturer of electric steam boilers, electric hot water boilers, laboratory steam boilers, high-pressure boilers, electric humidification boilers, and stainless-steel boilers for industrial, commercial, and specialized industries. All of their products are factory-tested and built to adhere to ASME Boiler Codes for Carbon and Stainless-Steel Construction. For their miniature steam generators, the capabilities range from 3KW–9PPH to outputs of 5000PPH steam and 9200MBH hot water.

AERCO International


AERCO International, Inc. is a leading manufacturer of cost-effective and commercial condensing boilers and water heaters for a variety of industries. Some of the industries that the company serves include education, healthcare, hospitality, government and military, industrial, multifamily housing, office buildings, and more. AERCO has a system-design approach that enables them to provide customer-specific solutions that deliver superior building performance at a lower operating cost while assuring uptime reliability.

AERCO was founded by Henry Angelery in 1949 as Angelery Engineering Research Company. Angelery’s primary goal was to deliver on-demand temperature-controlled water heating without storage. That goal became a reality when AERCO introduced an innovative design for an indirect-fired water heater, which eventually revolutionized the water heating industry. Since then, the company has continued to innovate and grow, and right now, they have become one of the leading companies for water heating design.

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Power Mechanical


Founded in 1985, Power Mechanical is a boiler supplier and rental company, with over 100 portable boilers available for shipment 24/7. The company originally started out as a mechanical contractor serving the Tidewater region of Virginia. But it became so much more when the founders, Rick and Sonja Reuter, built upon their previous experience in the boiler industry and shifted the company toward specializing in steam and hot water boilers. Since then, the company has grown to become one of the leading suppliers of boiler equipment in the United States.

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Burnham Commercial 


Burnham Corporation, which is doing business under the name Burnham Commercial, has produced steam and hot water boilers for commercial and industrial applications since 1873. Some of the company’s well-known boilers and boiler systems include compact-packaged or firetube boilers, versatile boilers, gas or oil-fired units or a combination of both, solid-fuel fired, and energy-efficient low NOx boilers. In addition to these boilers, Burnham also provides shockproof boiler packages and steam accessories.

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A.B. Young Company


A.B. Young Company is a leading — as well as Indiana’s largest — supplier of boilers for a wide range of industries. The company aims to provide rugged and reliable boilers for a wide variety of applications, and they also distribute a wide selection of equipment, accessories, and parts for any boiler plant or HVAC requirement. In addition to offering these products and spare parts, A.B. Young also delivers the best product solutions for most heat transfer equipment applications.

For that reason, whether the customer is assembling bid packages, planning new construction, or repairing an existing system, A.B. Young is a great company to stand with them and help them with every problem they face.

Bryan Steam


Founded in 1916 by a locomotive engineer and steam power enthusiast named George Bryan, Bryan Steam, LLC started out as Bryan Harvester Company, which was a small manufacturing firm that produced cars and steam-powered tractors. Eventually, Bryan was forced to abandon these concepts in 1922 during the rise in popularity of gasoline engines, but these concepts were not forgotten.

Eventually, Bryan Harvester became the Bryan Steam, LLC, and the company began refining and marketing the original boiler for a wide variety of uses. As of right now, Bryan boilers continue to incorporate many features to improve their overall performance.

California Boiler


California Boiler is a 100% employee-owned company that specializes in complete boiler service, sales, parts, and rentals. For over three decades, the company has built a reputation for superior performance and professionalism. Their primary products include industrial boilers, low NOx burners, steam boilers, hot water boilers, and mobile boilers. Additionally, they also represent some of the largest boilers, burners, and control companies in the United States.

It is California Boiler’s goal to exceed customer expectations every time by combining quality service with innovative solutions. That is why they have a team of experienced and dedicated employees that provides a wealth of knowledge and expertise to address the unique needs of clients across a variety of industry segments, such as agriculture, food processing, hospitals, hotels, manufacturing, military, petrochemical, and many others.

Wabash Power Equipment Company


Founded in 1949, Wabash Power Equipment Company is a worldwide leader in industrial rental boilers. Ever since the company’s establishment, they have supplied thousands of boilers for rent and installation around the world with unique solutions from order to startup. In addition to that, they also supply power generation equipment, including gas turbines, steam turbines, diesel generators, pulverizing mills, and other auxiliary equipment.

Wabash Power’s high-pressure industrial boilers are custom-built by leading manufacturers that employ professionally licensed engineers and trained, certified craftsmen to meet fabrication and code standards. As a result, their units are dependable and efficient, incorporating the latest proven designs, innovations, and emissions technologies.

801 Boiler


801 Boiler is the brainchild of Powerhouse Boiler Equipment that was formed in 2018 with only one mission — to become the most innovative, reliable provider of their customers’ boiler room needs. In other words, the company was formed to offer any and all aftermarket boiler solutions, custom-designed for the needs of their customers. The products and services that 801 Boiler currently offers include OEM and spare boiler parts sold through Boiler Geek, a complete boiler room automation system sold through BoilerLink, and six-boiler room subscription services sold through 801 Boiler. All these are part of Powerhouse’s Boiler Plus package.

Boilerroom Equipment


Boilerroom Equipment, Inc. is a company that engineers and manufactures ASME pressure vessels for many different industries. In particular, the company is best known as the innovators behind the HeatSponge brand of boiler economizers, which is the most modern steam boiler economizer that is available to the global industry today. Additionally, Boilerroom Equipment, Inc. also engineers and fabricate wet and dry steam accumulators.

Alpha Boilers


Alpha Boilers, Inc. is an international boiler design and manufacturing company that is known for their quality boilers. The company has over 30 years of experience, and so, they are able to ship their boilers throughout North, South, and Central America, the Caribbean, Africa, and Asia. In particular, their high-quality industrial boilers and high-pressure boilers are widely used in the sugar industry.

Moreover, Alpha Boilers is a certified ASME manufacturer, currently holding both the “R” and “S” stamps. In addition to that, their customers have been able to experience their quality control procedures, which have maintained manufacturing errors at less than 1%.

Miura America


Founded in 1927, Miura America Co., Ltd. has grown to become one of the largest manufacturers of industrial boilers in the whole world. The company is a wholly owned subsidiary of the Miura Group, and they specifically manufacture industry-leading and modular steam boilers that offer compact footprints, fast response, low emissions, and unparalleled safety for the workplace.

The company’s plant is located in Rockmart, and it has maintained the ASME S, H, U, and R stamps as well as built UL certified products, which have met all applicable ASME and NB codes.

BYIS Manufacturing


BYIS Manufacturing, LLC is a company that supplies parts and component equipment used in all phases of exploration, production, and the refining of oil for both onshore and offshore projects. The company can assist their customers in numerous areas, such as instrumentation and control systems, structural, electrical, control systems, general repair and troubleshooting, emission control systems, steam distribution piping systems, steam quality testing, and much more.

Additionally, BYIS also manufactures heat transfer equipment, including steam boilers, steam generators, waste heat boilers, and heat recovery steam generators. In particular, the company’s steam generators are well-received all over the world. Major equipment has been supplied to Bakersfield, California, Venezuela, Colombia, Indonesia, Russia, and Kuwait.

Superior Boiler


Based out of Hutchinson, Kansas, Superior Boiler has been one of the world’s leading manufacturers of scotch marine fire-tubes and high-efficiency condensing boilers as well as boiler room equipment for process steam, hot water, and waste recovery since 1917. The company is leading the way as a facilitator of green energy solutions with boilers powered by alternative fuels.

In 2014 and 2016 respectively, Superior Boiler purchased Triad Boiler Systems and English Boiler. The former has been manufacturing hot water heaters and eventually boilers for commercial heating applications for almost 90 years now. Meanwhile, English Boiler is one of the largest and most respected manufacturers of packaged water tube boilers in the United States.



Cleaver-Brooks is a complete boiler room solutions provider that aims to help businesses run better every day. In particular, the company develops hot water and steam generation products aimed at integrating and optimizing the total boiler/burner/controls system to maximize energy efficiency and reliability while minimizing emissions.

The company was founded in 1929 by John C. Cleaver, who started manufacturing small and portable boilers. Eventually, Cleaver and Raymond Brooks formed Cleaver-Brooks in 1931 and began mass-producing boilers. Through a commitment to research and development and a sound acquisition strategy, the company is currently the sole provider of integrated boiler/burner/control solutions. Additionally, Cleaver-Brooks is a leading manufacturer of boiler room equipment across commercial, institutional, and industrial markets.

Power Mechanical


Founded in 1985 by Rick and Sonja Reuter, Power Mechanical, Inc. originally started as a mechanical contractor serving the Tidewater region of Virginia. Building upon their previous experience in the boiler industry, Rick and Sonja eventually shifted the company toward specializing in steam and hot water boilers. Years later, Power Mechanical has soon evolved into one of the leading suppliers of boiler equipment in the United States.

Biomass Combustion Systems


Biomass Combustion Systems, Inc. is an enterprise that designs and manufactures high-quality wood-fired energy systems. Two of the company’s well-known products are wood-fired boilers and shop heaters and furnaces. All of their systems include new wood boilers from 100 HP to 1200 HP. Moreover, in addition to their years of experience, the company offers turnkey installations and retrofitting existing wood boilers to make them more efficient.

Boiler Equipment Company


Boiler Equipment Company, LLC is a full-service company that is geared to meet everyone’s boiler room needs. From their professional service staff to their fully stocked warehouse, Boiler Equipment Company can provide a wide variety of services that include annual maintenance, burner conversions, control upgrades, efficiency analysis and tuning, feed pump repair and replacement, refractory repair, troubleshooting, and many more.

AFS Energy Systems


Located in Pennsylvania, AFS Energy Systems is a design-build engineering firm that provides turnkey biomass energy boiler systems for businesses all over North America. The company has unparalleled experience and a long list of satisfied clients, which is the result of over twenty years of success, combined with a passion for quality and service.

All systems manufactured by AFS are fabricated at the company’s facilities in Lemoyne, Pennsylvania and are installed by their field installation teams. The AFS Energy Systems team is large enough to handle any job, yet small enough to genuinely care and react quickly to specific requirements made by their customers. Long story short, AFS provides field-driven innovations and leading-edge technology that will make any project cost-effective and successful.

Babcock Power


Babcock Power, Inc. is a global leader in providing innovative and high-quality steam generation and energy-related products and services to the power generation and processing industries. Some of the well-known industries that Babcock has served include utility, coal, nuclear, solar, industrial, oil and gas, petrochemical, chemical, pulp and paper, renewable, biomass, waste-to-energy, and more.

Babcock is an organization that is comprised of complementary, strategically assembled business units, such as Babcock Power Environmental, Babcock Power Services, Boiler Tube Company of America, Riley Power, Struthers Wells, and so on. With these business units, Babcock has served their customers for over 100 years now, and still, the company continues to provide the best products and services to all of their customers.

Cain Industries


Cain Industries is a leading designer and producer of combustion exhaust transfer products. Founded in 1978, the company is the only manufacturer that produces a complete spectrum of exhaust heat transfer and steam production equipment for the gas and diesel engine cogeneration (CHP), boiler exhaust economizer, industrial combustion heat recovery, and spiral-finned tubing markets. Additionally, Cain Industries is also the single-source for boiler economizers, condensing economizers, condensing heat exchangers, waste-heat recovery systems, waste-heat boilers, industrial heat recovery units, heat recovery silencers, feedwater heaters, heat recovery steam generators, and exhaust steam boilers.

Takeaway: Looking for a Boiler Manufacturer/Wholesale Supplier in the U.S.?

It isn’t fun to be in a place that is experiencing extreme cold weather conditions. It can be very distracting at best and very debilitating at worst. Thus, people are actively searching for a solution that would help them fight against this terrible beast. And one amazing solution is to have a boiler.

As an HVAC professional, you’ll be the first person that these people are going to turn to. So, you better make sure that you’re prepared to offer them with a boiler. But before you can do that, you need to have a reliable manufacturer or wholesale supplier of boilers by your side. This manufacturer or supplier will be the one to provide you with quality boilers that you can offer to your customers.

As your luck would have it, the U.S. has so many of these manufacturers or suppliers. The 25 companies mentioned above are only some of them. These 25 are a good place to start if you’re just in the first stages of your search for a manufacturer or supplier. After all, these companies have already proven their worth by garnering a loyal fan-base and establishing their names in the industry. So, if you choose any of them, you’re most definitely going to be in safe hands.




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