You will usually see two amperage figures listed: one for startup and one for running. While 13,500 BTU is the most common size for modern travel trailers and fifth wheels, units can range from 10,000 to 15,000 BTU.
Calculating Daily RV Air Conditioner Energy Consumption in kWh
Since air conditioners cycle on and off, you cannot simply multiply this by the total number of hours you run it. You need a bank of deep-cycle batteries wired in parallel to provide the necessary capacity.
Once the compressor is humming, the running amperage typically drops to a range of 30 to 50 amps. Power Sources and Practical Limitations The source of your power dramatically affects how much comfort you can achieve.
Calculating Daily kWh Consumption for Your RV AC Unit
Using the formula Watts = Volts x Amps, a unit drawing 30 amps at 120 volts consumes roughly 3,600 watts. A larger 15,000 BTU model will obviously pull more electricity than a smaller 10,000 BTU model, requiring a more robust electrical system to handle the load.
More About How much power does a rv air conditioner use
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