Opinions about pellet boilers and pellet stoves HKS Lazar

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I am very satisfied with the boiler. Following set-up the boiler has been operating smoothly. I would like to thank Mr Justyn for his patience and consulting services and Customer Service Head for his strong nerves when listening to my questions. This Company really cares for his clients and provides high quality post-sale service. Highly recommended.

Piotr Sokołowski


Our family operated Lazar heater in the past so I also opted for this brand. Smartfire features with noiseless and easy operation. Many advantages as for now.

Kazimierz Walczak


I am very satisfied with customer service (Mr Olszok) and Interfire performance.

Michał Ząb


Customer Service responded quickly on Facebook, and they quickly handled my issue although it was heating season.

Paola Pawliczek


Lazar branded boiler made a difference and contributed to air purity in Zakopane.

Andrzej Ekny


A reliable Company that offers top quality boilers.

zosia b


They deliver beautiful boilers.

Angelika Król


A reliable and robust heater that features with low consumption.

Ze nek


Top quality products indeed.

Adam Z


It was my first time with pellet fired condensing boiler, and I am very pleased with this choice.

legcia 1

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Modern heating devices HKS Lazar

Modern heating devices


Propane R 290 as a refrigerant in heat pumps, and applicable legal regulations

Observing the heat pump industry in recent years, we can confidently say that more and more people are becoming convinced of this form of heating. This happens, inter alia, because we are eager to build houses of a small size, without cellars, and therefore also a place for a central heating boiler. and fuel for it.

Pellet ON – Do you want to switch onto PELLETS?

Are you looking for comfortable and efficient solution? What is important? What you need to know?



How to check anti-freeze fluid level in Smart Fire 11 boiler with central heating function only (without hot domestic water supply). The boiler was not used this winter?

Any fluid loss will be demonstrated with pressure loss indicated by manometer. In case of open circuit, you can also check the level of compression vessel.

Is room temperature sensor included in Eco max 800 t controller set?

Room temperature sensor is available upon separate order.



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