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
$0.30
# of days
TOTAL COST
$144.00
Timer Savings
Timer Settings (hours)
Current Cost (from above)
$144.00
Cost With Timer
$57.60
Savings With Timer
$86.40
