Most of the heating systems require an annual maintenance to continue operating over the long term.
Thermogroup boiler MINI EUROPE does not require any mandatory annual maintenance.
Any boilers fed with gaseous fuel, liquid, solid fuels or the heat pumps containing more than 2 kg of refrigerant generally benefit of a 2-year European warranty by the manufacturer. But most of them will ask for an annual maintenance to keep your warranty valid.
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