Jhodgesatmb
Well-known member
- First Name
- Jack
- Joined
- Dec 1, 2019
- Threads
- 63
- Messages
- 4,910
- Reaction score
- 7,091
- Location
- San Francisco Bay area
- Website
- www.arbor-studios.com
- Vehicles
- Tesla Model Y LR, Tesla Model 3 LR
- Occupation
- Retired AI researcher
You forgot to mention that the heat pump was only pushing 10 degrees Fahrenheit after 20 minutes, so they were recommending a 20-minute preheat for everyone. If you review the charging video they made last week then you also know that it took much longer to warm the battery to a point where it could begin charging on a DC fast charger. I do not know if these tests could be run in parallel (namely, the 45 minutes to start the charge and the 20 minutes to start warming the cabin) but I wish they had done a combined test.
In heating the cabin from -20°F (!!?!) the PTC heater took an early lead but was surpassed by the Heat Pump, which got to 60°F in 30 minutes. The PTC was struggling to get there at 40 minutes, but by then the Heat Pump cabin was pushing 80°F.
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