Typical Engine Preheating Wattages
Midsize vehicle
600 - 1000 watts
Large car or truck
1000 - 1500 watts
Different Cars
Vehicle 1
Vehicle 2
Wattage of Vehicle
(Input 0 if calculating for only 1 vehicle)
Hours plugged in
(Input 0 if calculating for only 1 vehicle)
Cost per kwh
$0.25
# of days
TOTAL COST
$120.00
Timer Savings
Timer Settings (hours)
Current Cost (from above)
$120.00
Cost With Timer
$48.00
Savings With Timer
$72.00
