Installation, repair, regular service and revision, sales, assembly, design: heat pumps LG, Sinclair, Gree, Samsung, NIBE, Protherm, Vaillant, BAXI, DeDietrich, air conditioning. Heating systems and machine cleaning. HVAC, air recovery. Wood and pellet boilers Rojek, OPOP and stove with heat exchanger, JM Vysočina.