Description: Metal sections, namely, metal profiles for heat exchangers, heat accumulators and ventilating apparatus; semi-finished metal coverings, namely, copings for use in covering heat exchangers, heat accumulators and ventilating apparatus.; Non-metallic flexible pipes, tubes, hoses, and fittings therefor and valves and fittings for rigid pipes, all non-metallic; insulating materials, namely, insulation materials for pipes, for buildings, acoustic insulation and soundproofing barrier articles and materials.; Heat pumps; heat exchangers, other than parts of machines; heat accumulators; heat generating apparatus, namely, air heat apparatus; heat recovery systems, namely, air-source heat pump water heaters; heat storage units; heat pumps for energy processing; shell heat exchangers not being parts of machines; HVAC units for heating, ventilation and air conditioning; cold air blowing apparatus; heat sinks for use in heating apparatus; heat sinks for use in cooling apparatus; heat sinks for use in ventilating apparatus; combined heating and air conditioning apparatus; air heating installations; air cooling apparatus; boiler pipes for heating installations; motorized fans for ventilation for household, industrial and commercial purposes; linear air diffusers being parts of HVAC systems; valves as parts of radiators; ventilating fans for household, commercial and industrial use; ventilators for heat exchangers for recovery; hot water tanks as heating apparatus, namely, hot water heaters; storage water heaters; air-source heat pump water heaters; electrically heated hot water tanks; supply air diffusers for HVAC systems
