CPV: 45331100 Central-heating installation work, 39715210 Central-heating equipment, 42131100 Valves defined by function, 42130000 Taps, cocks, valves and similar appliances, 42511000 Heat-exchange units and machinery for liquefying air or other gases, 42512300 HVAC packages, 42520000 Ventilation equipment, 42533000 Parts of heat pumps, 44621111 Non-electrically-heated central-heating radiators, 44621110 Central-heating radiators, 44621221 Parts of central-heating boilers, 44622000 Heat-recovery systems, 45331000 Heating, ventilation and air-conditioning installation work, 45331200 Ventilation and air-conditioning installation work, 45332000 Plumbing and drain-laying work, 39715000 Water heaters and heating for buildings; plumbing equipment

CPV: 45232142 Heat-transfer station construction work, 42511110 Heat pumps, 42533000 Parts of heat pumps

CPV: 45330000 Plumbing and sanitary works, 31160000 Parts of electric motors, generators and transformers, 31161200 Gas cooling systems, 31161800 Parts of gas generators, 31300000 Insulated wire and cable, 31310000 Mains, 39350000 Sewerage works equipment, 42122130 Water pumps, 42123000 Compressors, 42124300 Parts of air or vacuum pumps, of air or gas compressors, 42500000 Cooling and ventilation equipment, 42510000 Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery, 42511110 Heat pumps, 42520000 Ventilation equipment, 42530000 Parts of refrigerating and freezing equipment and heat pumps, 42533000 Parts of heat pumps, 44111500 Insulators and insulating fittings, 44115200 Plumbing and heating materials, 44115500 Sprinkler systems, 44160000 Pipeline, piping, pipes, casing, tubing and related items, 44163000 Pipes and fittings, 45000000 Construction work, 45231220 Construction work for gas pipelines, 45231300 Construction work for water and sewage pipelines, 45231500 Compressed-air pipeline work, 45232000 Ancillary works for pipelines and cables, 45232142 Heat-transfer station construction work, 45331230 Installation work of cooling equipment, 45332000 Plumbing and drain-laying work, 45343230 Sprinkler systems installation work, 50514300 Sleeving repair services, 50730000 Repair and maintenance services of cooler groups, 76480000 Tubing services

CPV: 45331000 Heating, ventilation and air-conditioning installation work, 31160000 Parts of electric motors, generators and transformers, 42124300 Parts of air or vacuum pumps, of air or gas compressors, 42500000 Cooling and ventilation equipment, 42510000 Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery, 42511110 Heat pumps, 42513000 Refrigerating and freezing equipment, 42520000 Ventilation equipment, 42530000 Parts of refrigerating and freezing equipment and heat pumps, 42533000 Parts of heat pumps, 44111500 Insulators and insulating fittings, 44160000 Pipeline, piping, pipes, casing, tubing and related items, 45000000 Construction work, 45331230 Installation work of cooling equipment, 50730000 Repair and maintenance services of cooler groups

CPV: 50000000 Repair and maintenance services, 42500000 Cooling and ventilation equipment, 42511110 Heat pumps, 42533000 Parts of heat pumps, 45259000 Repair and maintenance of plant, 45331230 Installation work of cooling equipment, 50700000 Repair and maintenance services of building installations, 50720000 Repair and maintenance services of central heating, 50721000 Commissioning of heating installations, 50730000 Repair and maintenance services of cooler groups

CPV: 50000000 Repair and maintenance services, 45310000 Electrical installation work, 50710000 Repair and maintenance services of electrical and mechanical building installations, 50711000 Repair and maintenance services of electrical building installations, 51110000 Installation services of electrical equipment, 65320000 Operation of electrical installations, 71321000 Engineering design services for mechanical and electrical installations for buildings, 45430000 Floor and wall covering work, 45442100 Painting work, 50700000 Repair and maintenance services of building installations, 45231113 Pipeline relaying works, 45330000 Plumbing and sanitary works, 71321300 Plumbing consultancy services, 42416100 Lifts, 42419500 Parts of lift, skip hoists or escalators, 50750000 Lift-maintenance services, 90922000 Pest-control services, 45420000 Joinery and carpentry installation work, 45422000 Carpentry installation work, 45331000 Heating, ventilation and air-conditioning installation work, 71315410 Inspection of ventilation system, 71321400 Ventilation consultancy services, 50300000 Repair, maintenance and associated services related to personal computers, office equipment, telecommunications and audio-visual equipment, 50413000 Repair and maintenance services of checking apparatus, 50720000 Repair and maintenance services of central heating, 51112000 Installation services of electricity distribution and control equipment, 51112200 Installation services of electricity control equipment, 51200000 Installation services of equipment for measuring, checking, testing and navigating, 51220000 Installation services of checking equipment, 51900000 Installation services of guidance and control systems, 42122160 Cooling pumps, 42123300 Compressors for refrigerating equipment, 42500000 Cooling and ventilation equipment, 42510000 Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery, 42511110 Heat pumps, 42530000 Parts of refrigerating and freezing equipment and heat pumps, 42533000 Parts of heat pumps, 42943000 Thermostatic baths and accessories, 44622000 Heat-recovery systems, 44622100 Heat-recovery equipment, 45213210 Cold-storage installations, 45232140 District-heating mains construction work, 45232141 Heating works, 45232142 Heat-transfer station construction work, 45259300 Heating-plant repair and maintenance work, 45331100 Central-heating installation work, 45331230 Installation work of cooling equipment, 50730000 Repair and maintenance services of cooler groups, 71321200 Heating-system design services, 45332000 Plumbing and drain-laying work