Installation of solar energy systems; Hydraulic fracturing services; Drilling of wells; Rustproofing; Tyre retreading; Carpentry services; Dry cleaning; Disinfecting; Construction consultation; Pipeline construction and maintenance; Maintenance of plumbing; Vehicle maintenance; Electric appliance installation and repair; Installation and repair of air-conditioning apparatus; Heating equipment installation and repair; Boiler cleaning and repair; Freezing equipment installation and repair; Upholstery repair; Clock and watch repair; Elevator installation and repair; Machinery installation, maintenance and repair; Burner maintenance and repair; Maintenance and repair of heating; Maintenance and repair of motor vehicles; Safe maintenance and repair; Pump repair; Rental of drainage pumps; Maintaining and repair of drain pipes

Thermostats

Heat pumps; heating apparatus; water heaters; heating regulators; heating boilers; heating installations and their accessories not included in other classes