When the temperature tumbled to 20 degrees last week in Hickory, North Carolina, near Charlotte, Jason Hughes noticed the range fall when he drove his Tesla Model 3 on the commute from home to work.

“It would easily use double the amount of power for that 15-mile trip,” said Hughes, who owns four Teslas and runs a business that refurbishes and sells salvaged Tesla parts.

The cars use energy to heat the battery coolant in cold weather, as well as for heating the cabin, Hughes said. Range would take a hit mainly for short trips, and the decrease wouldn’t be as large on longer trips once the battery and cabin are heated, Hughes said.

Electric car manufacturer Tesla took issue with AAA’s test results.