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Manually loaded boilers, also known as feed boilers, are the traditional heating solution. They are characterized by ease of use and reliability. The latest Defro devices meet Class 5 standards, so it is the best choice for people who prefer traditional heat sources.

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DWS

5th grade: 12, 17, 22 kW
Ecodesign: 12, 17, 22 kW
Fuel: hard coal, pea size, 20-25 mm
Standard equipment: draft regulator, NZ version for a closed system
Optional equipment - for an additional fee: leveling feet, a set consisting of an exhaust fan and an ST-880 controller
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Firewood

Ecodesign: 12, 15, 19 24 kW
Energy efficiency class: A+
Fuel: hardwood log - birch - Ø12cm, humidity 15-20%
Optional equipment - for an additional fee: Analog thermometer, Vertical grate, Tilting flap, Boiler service tools, Swirls, Draft regulator, Drain valve
Optional equipment - for an additional fee: Adjustable feet, Safety fittings, BVTS thermostatic valve, Exhaust fan, ST-880 controller with PID
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Optima HG

5th grade: 19, 25, 32 kW
Energy efficiency class: A+
Fuel: firewood - humidity ≤ 20%
Optional equipment - for an additional fee: OPTIMA HG controller, leveling feet, mechanical exchanger cleaning system, boiler maintenance tools
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OPTIMA KOMFORT EKO

5th grade: 9, 12, 14, 17, 19, 22, 24, 28, 35, 45 kW
Ecodesign: 9, 12, 14, 17, 19, 22, 24, 28, 35, 45 kW
Fuel:
węgiel kamienny sortymentu orzech 20-50mm
Optional equipment - for an additional fee: leveling feet
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In feed-fed boilers, fuel, most often in the form of coal, wood, or biomass, is manually inserted into the combustion chamber by the user. Although this solution requires greater involvement in the loading process, it is gaining popularity due to its economy. Feed boilers allow for precise control of the amount of fuel consumed, which translates into savings. They are also durable and reliable devices, which makes them an attractive option for those who value traditional heating solutions. Boilers with manual loading are also a more environmentally friendly solution because they allow the use of local fuel sources, such as wood or biomass. This is a sustainable option that avoids the carbon emissions associated with transporting fuel. Despite the growing popularity of modern heating systems, hopper boilers still have their place on the market, offering users an economical and reliable source of heat.

Modern meets classic

 
This is the case with the hopper boilers in our offer. Many years of experience combined with future-proof solutions. Each boiler with manual fuel loading meets the requirements of class 5 and Ecodesign. By choosing one of our boilers, you care not only about the heat economy in your home, but also about the environment and ecology. Thank you for deciding to purchase DEFRO devices.
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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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DEFRO DHP PREMIUM is the latest generation device, created especially for Europe climatic conditions. It is also the first Polish plug-in heat pump, which means it is child’s play to install.

High quality
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Recuperation + free device selection

The DEFRO air handling unit is perfect for maintaining high air quality in your home. With advanced technology and energy efficiency, DRX not only provides comfort, but also savings in the long run, creating a friendly environment for your family.

High quality
The best components
Guarantee
The best, experienced, fast device service
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