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I can give some very rough examples based on my experience with my Focus Electric.The air conditioning, on a Southern California summer day might use about 1500 W. The inefficient resistive heater in the winter uses about 6 kW when running full blast. The "typical" power will be lower, depending on how hard the heater needs to work to maintain the desired temp. In So Cal, maybe 3 kW as a guess.A 60 mile trip at 60 mph would take an hour and might use 15 kWh without either heating or cooling (assume 250 +/- kWh/mile)So in the summer, the same trip would need an extra 1.5/15 = 10% energyIn the winter, 3/15 = 20%If running full blast for that whole hour 6/15 = 40%Winter is bad for EVsResistive heaters are a poor choice for EVs. but many manufacturers use them anyway.
I can give some very rough examples based on my experience with my Focus Electric.
The air conditioning, on a Southern California summer day might use about 1500 W. The inefficient resistive heater in the winter uses about 6 kW when running full blast. The "typical" power will be lower, depending on how hard the heater needs to work to maintain the desired temp. In So Cal, maybe 3 kW as a guess.
A 60 mile trip at 60 mph would take an hour and might use 15 kWh without either heating or cooling (assume 250 +/- kWh/mile)
So in the summer, the same trip would need an extra 1.5/15 = 10% energy
In the winter, 3/15 = 20%
If running full blast for that whole hour 6/15 = 40%
Winter is bad for EVs
Resistive heaters are a poor choice for EVs. but many manufacturers use them anyway.
