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Methods for testing and rating fan coil units, unit heaters and unit coolers. Acoustic performance; without additional ducting.
STANDARD published on 31.1.1978
Designation standards: BS 4856-4:1978
Note: WITHDRAWN
Publication date standards: 31.1.1978
SKU: NS-68882
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-02-04 (Number of items: 2 259 933)
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