• Airborne Sound Insulation Performance Testing to ISO 10140-2 • Sound Transmission Loss Testing to ASTM E90 • Sound Power Level Measurement for fan coil units to BS EN 16583 • Impact Sound Insulation Performance Testing to ISO 10140-3 • In-site Measurements for Sound Insulation Performance to ISO 16283-3 • Field Testing for Sound Power Level to ISO 3744 • Field measurements to ISO 3382-2 for reverberation time