Service Panel Upgrade Calculation Home / Online Quote / Service Panel Upgrad… Basic Load Floor area or All floor areas are inside, actual, floor area measurements Basement (finished) or Basement (unfinished) or Appliances Range Always requires an electric range outlet. Typical range 7000 – 9000 watts. 2nd Range Typical range 7000 – 9000 watts. Dryer Typical dryer 4000 – 5000 watts. Electric water heater Typical electric water heater 3000 – 4000 watts. Tankless electric water heater Additional Appliances Sauna Electric Baseboard Heating Electric Hot Air Furnace Air Conditioning Typical air conditioning 4000 – 6000 watts. Heavy Appliances Heavy Appliances Hot tub, floor heating system, snow melting system, etc… calculate send report to email You must be logged in to post a comment.