Installation of heating, air-conditioning and ventilation
Retail trade in sanitary products and sanitary installation materials in specialised shops
Retail trade in other types of building materials in specialised shops
Other types of business services
Manufacture of machines and appliances for air conditioning
Repair and maintenance of house boilers
Building of conveyance, distribution and water disposal networks
Setting of electric cables and appliances
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Installation in buildings or in other projects of building of: heating, cooling and ventilation systems (except heating)
Setting of electrical installations of heating
Work of insulation of pipes for heating or cooling
Trade intermediaries for supplies for plumbering, equipments of electric system for houses and heating systems
Wholesale trade of appliances for heating
Wholesale trade of equipments for sanitory systems and central heating: pipes, pipe fittings, tabs, rubber pipes, etc.
Development of projects requiring acoustic engineering, technics of air-conditioning, cooling, refrigeration, sanitation and fight against pollution, etc.
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances