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How Much Does It Cost to Run a Engine Block Heater in New York? (2026)
Block heaters keep an engine warm in cold climates so it starts easily. Plugging in all night is common but unnecessary; two to four hours before a start achieves the same result at a fraction of the cost.
A typical engine block heater (750 W) costs $0.22 per hour, or about $26.10 per month at 4 hours a day in New York. Expensive to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (400 W) | $0.12 | $0.46 | $13.92 | $169.36 |
| Typical (750 W) | $0.22 | $0.87 | $26.10 | $317.55 |
| High (1,500 W) | $0.43 | $1.74 | $52.20 | $635.10 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 4 h/day ≈ 1,095 kWh per year.
In New York, with electricity at $0.29 per kWh (source: EIA Table 5.6.A, 2026-06), a typical engine block heater costs $0.22 per hour and about $317.55 per year at 4 hours a day. That is about 61% more than the US national average of $16.20 per month, because electricity in New York costs $0.29 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 4.6 hours of use.
How to lower the cost of running a engine block heater
- Use an outdoor timer set to switch on 3 hours before you leave.
- Skip the heater above about -15 C. Modern engines start fine.
- Combine with a battery blanket only in extreme cold.
Frequently asked questions
How much does it cost to plug in a car overnight?
A 750 watt heater for 10 hours uses 7.5 kWh. On a 3 hour timer it uses 2.25 kWh.
How long should a block heater be plugged in?
Two to four hours. Beyond that the engine gains no more heat.
Do block heaters cycle on and off?
Most basic ones run continuously. Thermostat models cycle and use less.
Cost by region
- United States (average)
- California
- Texas
- New York
- Florida
- Canada (average)
- United Kingdom
- Germany
- France
- Australia
- India