HVAC units for residential and commercial buildings; geothermal-based HVAC units; air conditioning units; window-mounted air-conditioning units; central air-conditioning installations for household and industrial purposes; air filters for air conditioning units; fans for air conditioning units; air and water condensing units specially adapted for HVAC units, air handlers and air dehumidifiers; cooling evaporators; evaporative air coolers; electric heating fans; heat recovery ventilators; central heating radiators; steam radiators for heating buildings; electric radiators for heating buildings; heating boilers; heat accumulators; heat exchangers not being parts of machines; heat pumps; thermostatic valves as parts of heating installations; automatic temperature regulators for central heating radiators; heat regulators being parts of heating installations; natural gas furnaces for residential and commercial buildings; propane gas furnaces for residential and commercial buildings

Retail store services and online retail store services for HVAC systems for residential and commercial buildings, geothermal HVAC systems, air conditioning units, window-mounted air-conditioning units, central air-conditioning installations for household and industrial purposes, air filters for air-conditioning units, fans for air-conditioning units, air and water condensing units, air handlers and air dehumidifiers, cooling evaporators, evaporative air coolers, ventilators with heating and cooling options, electric heating fans, heat recovery ventilators, central heating radiators, steam radiators for heating buildings, heating boilers, heat accumulators, heat exchangers, heat pumps, thermostatic valves as parts of heating installations, automatic temperature regulators for central heating radiators, heat regulators being parts of heating installations, natural gas furnaces and propane gas furnaces

Installation, repair, maintenance and servicing of HVAC systems, air conditioning apparatus, heating equipment and furnaces for household and industrial purposes

Rental of HVAC systems, air conditioning apparatus, heating equipment and furnaces for household and industrial purposes