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How to properly size space heaters

Publication date: 
September 2001
Cyndi Nyberg Esau, Former EASA Technical Support Specialist
Type of media: 

When we repair a motor that has space heaters, or when we want to add them to a motor that does not currently have them, the correct size heater is often unknown. Different manufacturers use different sizes based on the motor type and frame, but there are a couple different equations that can be used to determine the approximate wattage.

Motor storage
Space heaters