KALVIS specializes in high-quality solid fuel boilers and heating equipment for residential and industrial applications, utilizing biomass and wood fuels.
KOVAČ (UAB "Kalvis") is a Lithuanian manufacturing company established in 1994, currently employing approximately 220 specialized workers. The company focuses on designing and producing solid fuel heating equipment ranging from residential boilers to large-scale industrial heating plants.
Their extensive product portfolio includes boilers fired by firewood, sawdust briquettes, pellets, and wood chips, as well as boiler accessories and automated heating management systems. Based in Šiauliai, KALVIS exports its durable and energy-efficient heating solutions to countries worldwide, ensuring products meet strict environmental and safety standards.
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Most KALVIS boilers are designed for solid fuels such as firewood, sawdust briquettes, pellets, or wood chips. Specific models like the K-5 series are optimized for firewood with a moisture content of no more than 25%.
No. Installation must be carried out by attested professionals or authorized manufacturer agents to ensure safety, compliance with building standards, and validity of the warranty.
Do not pour water directly on the burning fuel, as this can permanently damage the boiler. Instead, close the air supply, stop adding fuel, and if necessary, remove fuel into a fire-safe container if safe to do so.
For industrial heating equipment and warranty service, users should contact UAB Kalvis directly via their official contacts page or the dealer from whom the equipment was purchased.