Heating Oil Prices in Connecticut (Week of Oct 19, 2026)
Residential heating oil in Connecticut averaged $6.15 a gallon for the week of Oct 19, 2026 (+2.3% in two weeks) – 1% below the US average and the 16th lowest of 21 states EIA surveys.
Source: EIA Heating Oil and Propane Update (weekly, excluding taxes). Updated automatically each week from October to March.
Cost to fill a tank in Connecticut
| Delivery | Gallons | Cost at $6.15/gal |
|---|---|---|
| 275-gallon tank (fill from 1/4) | 200 | $1,230.80 |
| 275-gallon tank (full fill) | 250 | $1,538.50 |
| 330-gallon tank (fill from 1/4) | 240 | $1,476.96 |
Before sales tax, delivery minimums or small-delivery fees, which vary by dealer.
Cheapest way to heat in Connecticut right now
| Heating system | Cost per million BTU of heat |
|---|---|
| Natural gas furnace (95%) | $17.08 |
| Heat pump (HSPF2 9, COP ≈2.6) | $27.23 |
| Propane furnace (90%) | $51.34 |
| Heating oil furnace (85%) | $52.27 |
| Electric baseboard (COP 1) | $70.81 |
Using Connecticut's current averages for heating oil, propane, natural gas and electricity (24.16¢/kWh). Prices for natural gas in Connecticut and electricity in Connecticut. See also propane prices in Connecticut.
Nearby states
- Maine: $6.03/gal
- New Hampshire: $6.03/gal
- Vermont: $6.10/gal
- Massachusetts: $6.12/gal
- Rhode Island: $6.38/gal
Frequently asked questions
What is the price of heating oil in Connecticut this week?
$6.15 per gallon on average for homes in the week of Oct 19, 2026, before taxes (EIA survey). That is 1% below the US average of $6.19, and +2.3% since Oct 5, 2026.
How much does it cost to heat with heating oil in Connecticut?
At $6.15 a gallon, 500 gallons over a winter costs about $3,077 before tax. Actual use depends on the house, insulation and winter – check your past deliveries and enter them in the calculator.
Is heating oil cheaper than other heat in Connecticut?
Per million BTU of heat, heating oil costs about $52.27 in Connecticut this week. The cheapest option at current state averages is natural gas furnace (95%) at $17.08.
Source: EIA weekly residential heating oil prices. Heat comparison uses typical efficiencies and EIA state averages.