Electric Heater Capacity Learn More 1 kilowatt equals 3,400 BTUs of heat. Not sure how many BTUs you need? Try our Sizing Estimator.	11700 / 9600 BTU

Watts	3450/2820 Watts

Amps	14.2 / 15.6

Minimum Ampacity	20 Amps

Voltage	208 / 230 Volts