11
Space cooling apparatus; heating apparatus running on
solid, liquid or gaseous fuels or on electricity; mobile
heaters, boilers and burners; ventilation, heating,
refrigeration, humidification, dehumidification and
air-conditioning installations and apparatus as well as
installations and apparatus for air treatment and
purification; water heaters; hot water heating
installations; hot water accumulators; hot water heaters;
hot water heating installations; steam generating apparatus;
superheated water boilers; drying installations; all the
aforesaid apparatus also being transportable
37
Installation, maintenance and repair of space cooling
apparatus and heating apparatus; provision of advice
regarding installation of heating and refrigerating
apparatus
40
Rental of heating apparatus; rental of transportable
heating apparatus, burners, boilers and heating apparatus,
rental of ventilation, heating, refrigeration,
humidification, dehumidification and air-conditioning
installations and apparatus as well as installations and
apparatus for air treatment and purification; rental of
water heaters, hot-water heating installations, hot water
accumulators, hot water heaters, hot-water heating
installations, steam generating apparatus, superheated water
boilers and drying installations; all the aforesaid
apparatus also being transportable