11
Energy storage and conversion equipment, namely, heat accumulators for temporary storage of energy, thermal based power generators, boilers, and integrated thermal storage and power generation systems for the delivery of high temperature fluid and steam; central heating boilers; central heating radiators; heating systems; electric heating systems
35
Operation of thermal energy facilities; operation of thermal energy facility, namely, management of thermal energy production, processing, treatment, storage and distribution facilities; Operation of electric energy facilities; operation of electric energy facility, namely, management of electric energy production, processing, treatment, storage and distribution facilities
37
Construction and maintenance of thermal energy facilities processing, treatment, storage and distribution facilities; Construction and maintenance of thermal energy, meters and regulating stations; Construction and maintenance of electricity storage plants and associated equipment; Construction and maintenance of energy facilities, namely, processing, treatment, storage and distribution facilities; Construction and maintenance of electrical energy, meters and regulating stations; Heating contractor services; installation, maintenance and repair of electric heating systems; advisory services relating to the installation of electric heating systems; installation, maintenance and repair of HVAC systems
39
Transmission and distribution of electricity; transmission and distribution of thermal energy; transmission and distribution of electric heat
42
Design of electric heating systems; design of HVAC systems