Hush Houses

IAC Acoustics designs and manufactures turnkey Hush Houses both for the civil and military sector. Our Hush Houses provide all weather facilities for aircraft pass-off during the day or by night.
They provide an enclosed environment where noise is suppressed thus allowing engineers, technicians and scientists to test aircraft jet engines either installed or uninstalled and under actual load conditions.

Operational efficiency assured

IAC Acoustics assures the operational efficiency of the final hush house design. Prior to manufacture all IAC Acoustics facilities are thoroughly model tested and proven in IAC’s acoustic laboratory. IAC Acoustics provides Hush Houses that are complete with all necessary safety and support systems including:

• Full monitoring and evaluation (M&E) package
• Choice of Integral Fire Suppression system – Water fog, Foam or Inert gas
• Data Acquisition System
• Integral fuel system
• Engine start system
• Quick turnaround – multi-engine test stands
• Fluid and pneumatic systems
• Separate control and auxiliary rooms
• Heating, ventilating and air conditioning (HVAC) systems

Turnkey Hush House service

IAC Acoustics provides a full turnkey service that includes:

• Project management
• Consultancy and needs analysis
• All building design and construction
• Multi-aircraft capability
• Operation and safety systems e.g. fire system
• World-class noise reduction performance

All-weather aero-engine test capability

IAC Acoustics designs Hush Houses that accommodate a variety of aircraft. They are suitable for installed engine testing and are able to accept an engine test stand for uninstalled testing. They provide the ultimate, round-the-clock, 24/7, all weather aero-engine test capability.

Hush Houses from IAC Acoustics offer:

• The ability to accept a variety of aircraft
• The option of uninstalled testing capability, suitable for a range of engines
• Excellent noise attenuation
• A totally air-cooled exhaust system that has low maintenance
• A variety of construction materials
• A shelter that is suitable for use in a wide range of climatic conditions

Super-quiet Hush Houses

IAC Acoustics’ super-quiet Hush Houses provide an ideal test platform for diagnostic ground running of modern jet aircraft, including military where:

• Noise-sensitive issues prevail
• Protection of local communities is paramount
• Extended periods of operation are required