Q-NIS

Noise attenuator, silencer and noise damper apparatus for air conditioning and ventilating apparatus installed in commercial premises; air-conditioning and ventilation systems for commercial premises and parts and fittings therefor

Installation, building and repair services for air-conditioning and ventilation systems for use in commercial premises

Noise and sound measuring services in respect of air-conditioning and ventilation systems used in commercial premises; design of air conditioning and ventilation systems for use in commercial premises