Case Study · Broadcast / Commercial Office
TV Station Newsroom: Chilled-Water Performance, Whisper-Quiet
A New Hampshire TV station's single-zone VAV iced its coil and condensed on the newsroom floor. The APR Control delivered chilled-water-like performance at a fraction of the cost, and stayed whisper-quiet.
The Challenge
The station needed whisper-quiet HVAC to support live news production, including election coverage. Its single-zone VAV, designed for energy efficiency, ran discharge air well below design, causing low compressor runtime, coil icing, and condensation on the air-handler housing and the newsroom floor. COVID-era occupancy swings made performance worse, and alternative capacity-control technologies exceeded the strict noise criteria.
The Solution
A mechanical contractor recommended the APR Control to provide the variable-capacity behavior a chilled-water system would have offered, at significantly lower cost. It transforms the single-stage DX system into a variable-capacity system capable of matching the load.
The Results
The newsroom got the performance it needed without the noise or the capital cost, and:
- Matched the original chilled-water design's performance at a fraction of install cost
- Stabilized temperature and humidity
- Met the whisper-quiet operating requirement
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