Average Heating Bill in Connecticut → New Haven County
$476/mo
$2,854/year
$1.43/sq ft (oil heat, 2,000 sq ft home)
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas Cheapest | $1.89/therm | $20 | $1,643 | $274 |
| Heat Pump | $0.30/kWh | $30 | $2,413 | $402 |
| Heating Oil | $4.14/gallon | $35 | $2,854 | $476 |
| Electric Baseboard | $0.30/kWh | $89 | $7,239 | $1,206 |
Cheapest option for this area
Natural Gas
$1,643/year estimated — saving $1,211/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in New Haven 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 (5,790 HDD for New Haven County), and current EIA state-average energy rates. Oil prices reflect local median from 28 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 New Haven County can be $0.50–$1.00/gallon.
Median: $4.14/gal · 28 suppliers reporting prices
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