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Podcast: HVAC School - For Techs, By Techs
Episode: Short #60 - How Cold Should it Get Inside?
Description: In this short podcast, Bryan discusses the ever-controversial topic of indoor temperature in the summer. The old "20-degree rule" has come up many times, and it's time to put it to rest. Not to be confused with the 20-degree delta T rule, the 20-degree rule basically states that the home A/C system can only maintain temperatures up to 20 degrees below the outdoor temperature. For example, if the ambient temperature is 95°F, the indoor temperature should be able to stay around 75°F. However, that differential is not a fixed value. For example, if the outdoor te...