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Class 5 boilers for coal, wood, pellet and eco-pea coal – ecological and certified heat sources

The best boilers on the Polish market.

A Polish product, manufactured within the European Union.

Dear Customers, we would like to remind you that high-standard wood-pellet boilers manufactured by our company do not have an emergency (auxiliary) grate or a pre-combustion chamber, nor are they designed for installing components that allow burning fuel outside the automatic burner.
???? Only fuels specified by the Manufacturer in the Boiler User Manual should be used.
❌ Any modifications made to the boiler in order to adapt it for burning fuel outside the automatic burner are illegal, void the warranty, and may pose a hazard to the user’s health and life.

 

Heating boilers belonging to Class 5 are devices that meet the expectations of even the most demanding users looking for efficient and ecological heat sources that comply with current environmental regulations. In our product catalog you will find devices for various solid fuels that belong to Class 5. Our selection includes, among others, Class 5 wood boilers, Class 5 coal-and-wood boilers, Class 5 eco-pea coal boilers, and Class 5 pellet boilers.

In our catalog you will find both boilers with feeders and boilers with manual fuel loading. The modern technologies we have developed allow our Class 5 boilers to combine user comfort, thermal comfort, and fuel savings due to lower fuel consumption.

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What are Class 5 boilers and why are they worth choosing?

Class 5 boilers are heating devices that meet all the strict ecological standards currently in force in our country. The main reference for these requirements is the European standard PN-EN 303-5:2012. These standards concern dust and carbon monoxide emissions—two components that most pollute the air in our environment. In our offer, you will find boilers that meet these requirements, designed and manufactured to achieve maximum efficiency while minimizing their impact on the natural environment, especially air quality. Our boilers comply with the EU EcoDesign directive; they are Class 5 boilers that are durable, efficient, and designed with user comfort in mind. Class 5 central heating boilers are an investment in low heating costs and a better, environmentally friendly future.

Modern, efficient, and fully ecological gas boilers
Class 5 boilers, ecological, efficient

Class 5 coal and wood boilers – modernity in a traditional form

Modern technologies have allowed us to design coal and wood boilers compliant with Class 5 standards. A traditional heat source combined with the latest technology can still be ecological, thanks to special structural solutions. This way, you can use locally available fuels while caring for your environment and air quality. Class 5 coal boilers and Class 5 wood boilers are perfect for newly designed single-family homes as well as for upgrading existing heating systems. Our boilers have a solid construction, are made from high-quality materials, and are easy to operate, which is why many users appreciate them.

Class 5 pellet and eco-pea coal boilers – clean heat with high efficiency

We are perfectly aware that the market currently offers many different types of solid fuels. Some are cheaper, while others offer more automation possibilities in the combustion process, minimizing the need for user intervention. That is why our offer includes Class 5 pellet boilers and Class 5 eco-pea coal boilers. The boilers we offer are equipped with feeders and fuel hoppers, and combined with our advanced controllers, the combustion process is practically maintenance-free. Our Class 5 pellet and eco-pea coal boilers provide high performance, extremely low emissions, and fuel savings. Thanks to the feeders, the process is almost fully automatic—just set the desired temperature on the controller and you don’t have to worry about anything else. We offer heating boilers with various capacities, adapted to different types of installations.
Wood boilers, Defro buffer
Batch-fed eco-pea coal boilers

Batch-fed boilers and boilers without a feeder – simple solutions with high efficiency

Our product range includes many heating devices, and we understand the needs of different user groups. That’s why we offer batch-fed boilers and boilers without a feeder—because not everyone needs such a convenience. These boilers are also Class 5, while being cheaper to purchase, easy to operate, and extremely durable. Class 5 boilers without a feeder, batch-fed boilers, have a combustion chamber designed to achieve the highest possible efficiency, and manual fuel loading allows full control over the boiler's operation. If you value independence and want full control over your home heating process, this type of device is perfect for you. Our offer includes various models with different capacities and special configurations.

Class 5 wood gasification boilers – maximum fuel utilization

A Class 5 wood gasification boiler is very similar to a conventional wood boiler. One of the main differences is the way the fuel—seasoned wood—is used. A wood gasification boiler subjects the fuel to the pyrolysis process, allowing the boiler to utilize the full energy potential of the fuel while complying with ecological standards. Our Class 5 wood gasification boilers are ideal for single-family homes where the user has access to seasoned wood. It is an effective, recommended, and environmentally compliant solution.

Our Class 5 boilers – adapted to various needs and buildings

We offer heating devices for solid fuels such as coal, wood, pellet, and eco-pea coal. Each of these devices meets Class 5 boiler standards and the EcoDesign directive. This means that every boiler we offer is ecological and energy efficient. Our models include batch-fed boilers and boilers with feeders, designed to ensure the best use of the calorific value of a given fuel. We offer boilers with different power ratings, tailored to individual requirements.

Why choose a boiler or furnace for a single-family home

Saving

The solutions are attractively priced both at purchase and during operation

Compliant with Class 5 standards, eligible for subsidies

Defro boilers are eligible for subsidies that can cover a significant part of the investment

Durable and safe solution

The boilers are known for long-lasting, trouble-free operation and high safety

Ecological

The boilers are fully ecological—by investing in a Class 5 furnace, you care for the environment
Where to buy Defro devices Show distributor map!

Have more questions?

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Do you need device selection?

If you want to install a new heat source, it is worth paying attention to DEFRO devices, a Polish manufacturer with many years of experience in the heating industry. Our specialists will help you choose the right boiler and its power, and distributors and installers will take care of the assembly and commissioning, and all you need to do is enjoy the warmth and comfort. The distribution network of our products is divided into regions for which managers and salespeople are responsible.

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