BS EN 12102-1. Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level. Part 1. Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers|Air conditioners, Reverberation rooms, Dehumidifiers, Airborne noise, Sound intensity, Designations, Compressors, Cooling, Air-conditioning equipment, Ventilation ductwork, Frequencies, Noise (environmental), Ventilation, Testing conditions, Acoustic measurement, Installation, Heat pumps, Space-heating systems