Recommended Indoor Temperature versus Outdoor Temperature

Recommended indoor effective temperatures at various outdoor dry-bulb temperatures

Recommended indoor effective temperatures at various outdoor dry-bulb temperatures are indicated in the table below:

Outside Dry-Bulb Temperature
(oF)
Inside Temperature (oF)
Dry-Bulb Wet-Bulb Dew Point Effective Temperature
100 82.5 69.0 62.3 76.0
90 79.5 66.5 59.5 73.6
80 76.7 64.0 56.6 71.3
70 74.0 62.0 54.5 69.0

outdoor and indoor effective temperature diagram

outdoor and indoor effective temperature diagram

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