Heating Cost in Connecticut → Fairfield County
How much does it cost to heat a home in Fairfield County? Here's a breakdown by fuel type, using real local prices and 5,665 heating degree days for Fairfield County.
Estimates are for a typical 2,000 sq ft home. Use the calculator for your exact ZIP code.
↓ Oil prices in Fairfield County are down 6.8% over the past 6 weeks. View current oil prices.
| Fuel | Local Price | Cost/MMBTU | Annual Cost | Monthly (Heating) |
|---|---|---|---|---|
| Natural Gas Cheapest | $1.34/therm | $14 | $1,146 | $191 |
| Heat Pump | $0.28/kWh | $28 | $2,193 | $365 |
| Heating Oil | $4.23/gallon | $36 | $2,850 | $475 |
| Electric Baseboard | $0.28/kWh | $83 | $6,578 | $1,096 |
Cheapest option for this area
Natural Gas
$1,146/year estimated — saving $1,704/year vs heating oil
Oil price: $4.23/gal (local median). Electricity: $0.28/kWh (Connecticut avg). Gas: $1.34/therm (Connecticut avg). HDD: 5,665. Estimates for a 2,000 sq ft home.
Prices updated: 2026-06-03. Prices may differ from real-time calculator.
At local electricity rates ($0.28/kWh) and oil prices ($4.23/gal), switching from oil to a heat pump would pay for itself in approximately 16.7 years (based on average installation cost of $11,000). Federal tax credits and state rebates can reduce this significantly.
During the heating season (October–March), a typical 2,000 sq ft home in Fairfield County costs approximately:
If you're staying with oil heat, the biggest savings come from comparing local suppliers. The spread between cheapest and most expensive in Fairfield County can be $0.50–$1.00/gallon — that's $250–$500/year on the same fuel.
Median: $4.23/gal · 13 suppliers reporting prices
Compare Fairfield County Suppliers →