Average Heating Bill in Connecticut → Windham County
$507/mo
$3,042/year
$1.52/sq ft (oil heat, 2,000 sq ft home)
↓ Oil prices are down 6.9% 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 | $1.34/therm | $14 | $1,235 | $206 |
| Heat Pump | $0.28/kWh | $28 | $2,363 | $394 |
| Heating Oil | $4.19/gallon | $36 | $3,042 | $507 |
| Electric Baseboard | $0.28/kWh | $83 | $7,088 | $1,181 |
Cheapest option for this area
Natural Gas
$1,235/year estimated — saving $1,807/year vs heating oil
Average monthly heating costs during the October–March season for a 2,000 sq ft home in Windham 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 (6,104 HDD for Windham County), and current EIA state-average energy rates. Oil prices reflect local median from 7 tracked suppliers.
Data updated 2026-06-02.
Track price drops and predict your next delivery with the HomeHeat app.
Get HomeHeat Free →Free app for iPhone. No hardware. No ads.
If you're staying with oil heat, compare local suppliers to find the best price. The spread in Windham County can be $0.50–$1.00/gallon.
Median: $4.19/gal · 7 suppliers reporting prices
Compare Windham County Suppliers →