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 $0.20
# of days
TOTAL COST $96.00
Timer Savings
Timer Settings (hours)
Current Cost (from above) $96.00
Cost With Timer $38.40
Savings With Timer $57.60