Leading Oil Boiler Manufacturers

An oil boiler is a device that uses oil to heat water, which is then circulated through radiators or underfloor pipes to provide heat. They are a popular choice for heating buildings and providing hot water due to their reliability, versatility, and long lifespan. Read More…

Oil Boilers Oil boilers are tanks or vessels that use oil to generate thermal energy that is circulated to provide residential, commercial and industrial heating.

We strive for the best at Unilux Advanced Manufacturing LLC. Our boilers are designed with superior materials. We are proud to say that we produced the world's first UL/FE boiler and our units provide the highest levels of safety and accountability.

Unilux Advanced Manufacturing, LLC $$$

As the inventor of the vertical tubeless boiler, Fulton has a reputation for success dating back to 1949. We`re a global manufacturer of steam, hot water and hydronic boilers, thermal fluid heaters, and custom engineered systems.

Fulton $$$

Miura Boiler Co., Ltd. has been manufacturing, designing, engineering and servicing gas, oil, coal, wood, solid waste, biomass & hybrid fuel-fired steam & gas and condensing since our inception. With installations across all industries worldwide, We are recognized for the highest code standards, innovative engineering and design, Energy Star rating, fully Integrated controls, and renewable,...

Miura Boiler Co., Ltd. $$$

Indeck has the largest inventory of steam generating systems, a custom boiler design team and our own boiler manufacturing plant . Indeck is the complete steam power solution provider with emergency rental of 25,000 pph trailer-mounted rental boilers to the design of large custom million pound boilers. Our expertise includes watertube, mobile, packaged, waste heat, solid fuel, biomass and fire...


Bryan Steam has been an industry leading producer of commercial boilers, including their “flexible water tube” model for more than one hundred years. Bryan Steam produces a wide range of gas, oil, dual fuel and electric water and steam options including the ultra-high efficiency Free-Flex models 1000 MBH to 6000 MBH and the BFIT model 1000 MBH to 4000 MBH. Contact the company today for...

Bryan Steam, LLC $$$

At Mid-South Steam Boiler & Engineering Co., we are dedicated to providing top-notch boiler solutions and engineering services tailored to meet the needs of our diverse clientele. With a rich history spanning several decades, we have established ourselves as a trusted authority in the boiler industry, renowned for our commitment to quality, reliability, and customer satisfaction. Our product...

Mid-South Steam Boiler & Engineering Co. $$$

Nationwide Boiler is a leading supplier of new and reconditioned boilers for industrial facilities worldwide. We’re a manufacturer’s representative and stocking distributor for B&W package watertube boilers and Superior package firetube boilers, and we have fully reconditioned boilers in a variety of types and sizes. With sales, service and equipment depots throughout the U.S., we strive to...

Nationwide Boiler Inc. $$$
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Components of Oil Boilers

Oil boilers are composed of several components that work together to create heat. These components include the burner, combustion chamber, heat exchanger, fuel supply system, controls, circulation pump, and vent pipe. The fuel supply system is responsible for delivering oil to the burner, which is then ignited in the combustion chamber. The heat exchanger transfers the heat generated in the combustion chamber to the water circulating through it. The circulation pump moves the heated water to the desired location, and the vent pipe allows exhaust gasses to escape.

Variations of Oil Boilers

There are two main design variations of oil boilers, including standard efficiency and high-efficiency models. The main difference between standard efficiency and high-efficiency models of oil burners is their level of energy efficiency. Standard efficiency oil burners typically have an efficiency rating of 80% to 85%, meaning that 15% to 20% of the fuel they consume is lost as waste heat. In contrast, high-efficiency oil burners have an efficiency rating of 90% to 95%, meaning that they waste less fuel and are more energy-efficient overall.

The primary reason for this difference in efficiency is the way in which the burners are designed. High-efficiency oil burners are designed to extract more heat from the fuel, using advanced technologies such as sealed combustion chambers and condensing heat exchangers to minimize waste. They also typically have more advanced controls and sensors to optimize performance and minimize fuel consumption. However, high-efficiency oil burners are more expensive to construct and install. Overall, the choice between standard efficiency and high-efficiency oil burners will depend on factors such as budget, energy needs, and long-term goals for energy efficiency and sustainability.

Considerations Regarding Oil Boilers

One of the most significant considerations of oil boilers is their impact on the environment. Burning oil releases carbon dioxide and other greenhouse gasses, contributing to climate change. Additionally, the price of oil can fluctuate, making it difficult to predict and manage fuel costs. Finally, oil boilers require regular maintenance and repair, which can be costly and time-consuming.

Benefits of Oil Boilers

Despite these considerations, there are many benefits to using oil boilers for heating. One of the most significant advantages is their energy efficiency. They can be up to 90% efficient, meaning that almost all the fuel used is converted into heat. This efficiency can offset the cost of fuel, making oil boilers very cost-effective in the long run. Additionally, they are reliable, versatile, and have a long lifespan, often lasting up to 20 years with proper maintenance.

Oil boilers also have several benefits over other types of boilers. Compared to gas boilers, for instance, oil boilers have a more consistent fuel supply because the supply of oil is more stable and predictable than that of natural gas, making them a more reliable choice. Additionally, electric boilers can be more expensive to operate, especially in areas where electricity is expensive. Finally, solid fuel boilers require more manual labor, and the fuel can be messy and difficult to store.

Applications of Oil Boilers

Oil boilers can be used for a wide range of applications, including:

Heating Homes

Oil boilers are a popular choice for heating homes of all sizes. They work by heating water, which is then circulated through radiators or underfloor heating systems to warm the space.

Water Heating

In addition to space heating, oil burners can also be used to heat water for domestic use, such as showers, baths, and washing dishes. Hot water is generated by heating water in a tank or cylinder, which is then distributed through pipes to the various fixtures throughout the home or building.

Industrial Heating

Oil burners are also used for industrial heating applications, such as heating large warehouses or manufacturing facilities. They can provide efficient and cost-effective heating solutions for a wide range of industrial processes.

Power Generation

Oil burners are commonly used in power generation applications, such as backup generators for hospitals, data centers, and other critical facilities. They can provide reliable power in the event of a power outage or other emergency situation.


Oil burners are a common component in boilers of all types, including steam boilers, hot water boilers, and thermal oil boilers. They provide efficient and reliable heat for a variety of applications.


Oil burners can be used for cooking applications, such as in commercial kitchens or for outdoor cooking appliances like grills and fryers.


Oil burners are often used for drying applications, such as in industrial dryers or grain drying facilities.

Asphalt Production

Oil burners are commonly used in asphalt production plants, where they provide heat for the production of asphalt and related products.

Chemical Processing

Oil burners can be used in a variety of chemical processing applications, such as heating reactors or distillation columns.

Waste Management

Oil burners can also be used for waste management applications, such as in incinerators or waste-to-energy facilities.

Choosing the Proper Oil Burner Supplier

To ensure you have the most beneficial outcome when purchasing an oil burner from an oil burner supplier, it is important to compare several companies using our directory of oil burner suppliers. Each oil burner supplier has a business profile page highlighting their areas of experience and capabilities, along with a contact form to directly communicate with the supplier for more information or to request a quote. Review each oil burner business website using our patented website previewer to quickly learn what each company specializes in. Then, use our simple RFQ form to contact multiple oil burner companies with the same form.

Oil Boilers Informational Video


Boilers Power Pages

Boiler Rentals

Industrial Rental Boiler

Boiler rental is a service that is offered by boiler manufacturers to assist customers in times of emergency, high usage, or as a cost effective permanent solution. Every type and size of boiler is available for rental from ones on...

High Pressure Boilers

High Pressure Boilers

A high pressure boiler is a shell and tube heat exchanger that use boiled water to create steam or high pressure hot water. Using water filled tubes in a metal tank or enclosure, they create power by converting water into steam through thermal energy, which is used...

Steam Boilers

Steam Boilers

A steam boiler is a steam producing heating system. It creates energy by heating water to get steam. It is a heat exchanger that makes steam for outside usage and has a combustion chamber and water container. The several varieties of steam boilers include...

Water Tube Boilers

Water Tube Boiler

A water tube boiler is a boiler that has a set of tubes through which water circulates and is heated by heated gasses from its furnace or combustion chamber that is located below the tubes. Fuel, burning in the combustion chamber or furnace, produces gasses that heats the metal tubes that contain water...

Heat Exchangers

Heat Exchangers

Heat exchangers are pieces of equipment used to transfer heat between two or more fluids. This process usually involves abundant working or utility media such as water or air that rejects or absorbs heat from a more valuable fluid such as crude oil, petrochemical feedstocks, and fluidized products...

Plate Heat Exchanger

Plate Heat Exchanger

A plate heat exchanger (PHE) is a compact type of heat exchanger that utilizes a series of thin metal plates to transfer heat from one fluid to the other. These fluids are typically at different temperatures...

Shell and Tube Heat Exchangers

Shell and Tube Heat Exchangers

A shell and tube heat exchanger (STHE) is a type of heat exchanging device constructed using a large cylindrical enclosure, or shell, that has bundles of perfectly spaced tubing compacted in its interior. Heat exchanging is the transfer of heat from one substance or medium to a similar substance or medium...

Types of Industrial Furnaces

Blast Furnace

An industrial furnace is used to heat treat metals for annealing, tempering, carburizing, or pre-treatment of metals for forging. Though metal is a common material to be treated using an industrial furnace, other materials are also heated to prepare them for shaping...


Industrial Electric Furnace

A furnace is a piece of equipment that provides direct electric or fired heat for industrial processes that require temperatures that exceed 752 °F (400 °C). Many industrial processes require heating for the preparation of...

Heat Transfer Equipment

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