Average Heating Bill in New Jersey → Union County
$433/mo
$2,597/year
$1.30/sq ft (oil heat, 2,000 sq ft home)
↓ Oil prices are down 3.5% over the past 6 weeks, which affects current heating bills. View price trends.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas Cheapest | $1.37/therm | $15 | $1,015 | $169 |
| Heat Pump | $0.23/kWh | $23 | $1,580 | $263 |
| Heating Oil | $4.44/gallon | $38 | $2,597 | $433 |
| Electric Baseboard | $0.23/kWh | $69 | $4,741 | $790 |
Cheapest option for this area
Natural Gas
$1,015/year estimated — saving $1,582/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in Union County:
Based on a 2,000 sq ft home with 85% oil furnace efficiency, COP 3.0 heat pump, NOAA 30-year normal heating degree days (4,919 HDD for Union County), and current EIA state-average energy rates. Oil prices reflect local median from 5 tracked suppliers.
Data updated 2026-07-17.
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If you're staying with oil heat, compare local suppliers to find the best price. The spread in Union County can be $0.50–$1.00/gallon.
Median: $4.44/gal · 5 suppliers reporting prices
Compare Union County Suppliers →We'll email you when local heating oil prices drop to your target — no spam, only price drops.