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 $0.22
# of days
TOTAL COST $105.60
Timer Savings
Timer Settings (hours)
Current Cost (from above) $105.60
Cost With Timer $42.24
Savings With Timer $63.36