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Information Center > Buying Guides > Cooling Unit Buying Guides > 

High Infiltration Correction Table

The performance of refrigeration systems will be negatively impacted when installed in wine cellars with high infiltration (ie no vapor barrier, poor seals or frequent access) because the latent load will reduce the cooling unit's BTUH production. This table provides correction factors for BTUH in wine cellars with high infiltration at various humidity levels—these correction factors should be applied when sizing our cooling systems for use in wine cellars with high infiltration. Please contact us for more information.

High Humidity Correction Table

Ambient RH (%)1

BTUH Correction Factor2

Under 50%

0.95

55%

0.92

60%

0.89

65%

0.86

70%

0.83

75%

0.80

80%

0.76

85%

0.71

90%

0.66

95%

0.61

100%

0.56

(1) In wine cellars with high infiltration, an increasing percent of the cooling unit's BTUH production will be used for latent load (ie condensing moisture out of the air) as relative humidity (RH) increases in the ambient environment. This latent load will reduce the cooling unit's capacity to create cold air by the factors shown in the table above.

(2) The increased humidity described in (1) will increase the latent load and diminish the cooling unit's BTUH according to the correction factors listed above. For example, CellarPro 1800XTS cooling unit, which produces 1886 BTUH at 55°F with a well-sealed wine cellar, would produce 1245 BTUH (ie correction factor of 0.66) in a poorly-sealed wine cellar located in an environment with 90% relative humidity.