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Perfect customer service


First class product quality

With compliance with the warranty conditions, we grant you unique factory guarantees as proof of our first-class product quality. These go far beyond the statutorily prescribed warranty periods. Without the “extended warranty” surcharge, we grant you a full warranty for up to three years.

Full guarantee for up to 5 years

on all boilers, container and accessories.

and 10 years heat exchanger guarantee

for MultiWIN2 Plus and MinoWIN2 gas condensing boilers.

... and a 10-year filling chamber guarantee

for LogWIN Premium wood gasification boilers.