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hvac effect on range

  1. T

    Changes to umbilical function

    I'm just noticing a difference in the "umbilical" functions between old and new Teslas. On my Model S, when the car is fully charged and I go to heat up the car, it'll draw power from the charger in order to keep the battery at a full charge. On my Model Y, even though it's on the charger it'll...
  2. R

    Scan My Tesla results

    I own a 2018 M3 RWD and the following is some information I gathered using SMT. With the car not plugged and the ambient temp around 48F the car draws 3.5KW to heat the traction battery and about 7KW max to heat the cabin for a max total of 10-11KW. When the car is plugged into my [email protected] it...
  3. SDRick

    Heater On Indicator

    Is there any way to tell if the heater (or air conditioner) is actually on and using power. Often, the ambient outside air temperature is sufficient to heat or cool the cabin with fan only without using additional battery to do so. It may be a silly question but how does one tell?
  4. zhu-

    200 Wh/mile to use heater?

    Since I received my Model 3 about three weeks ago, I have almost never seen anything under 300 Wh/mile. Usual range for me was easily 350-450 Wh/mile. Since it was new I didn't think much of it but eventually realized I had pretty poor range. I noticed a few guys talking about not using their...
  5. gavine

    Which Heater Setting is More Efficient?

    Let's assume it is 40F outside and cabin temp is set 70F, would it be more efficient to use recirc with AC-on or fresh air with AC-off. I realize recirc with AC off would be most efficient, but the windows get foggy so recirc basically requires AC, at least if using for any extended amount of...
  6. ArtInCT

    70 Degree Weather and the HVAC Effect on Wh/m

    Recently here in Connecticut, the really hot and humid weather has broken and we have had about a week of nice dry weather with AM temps in the high 60's to 70's. Now, every AM, I take a trip in the S to the gym and then go for breakfast. Normally this 12 mile trip at 35 MPH consumes 320 Wh/m...

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