Heat Fleet lists hundreds of local oil company deals, so you can get the best heating oil delivery prices in Darien

CT
$3.15 Cheapest heating oil price in Darien
Heat Fleet is a proud member of Darien's energy industry trade associations.
Oil Prices For Heating Oil Companies In Darien, CT
Updated on December 31, 2025 at 01:15 PM
Darien Homeowner’s Guide to Selecting an Oil Company
For Darien residences heating with heating oil, choosing which of the 35 heating oil companies that serve Darien makes a big difference.
Full Service Oil Companies: Homeowners who are willing to pay a premium for a “set-it-and-forget-it” heating system pick one of the 21 “full-service” oil companies that serve Darien. Full service companies such as Montanari Fuel Service Inc or Rural Energy LLC offer customers annual contracts which consist of a combined package of both automatic fuel oil delivery and HVAC repair. With an automatic oil delivery contract, the company tracks your home’s heating oil consumption and makes deliveries when your tank is running low. The household does not need to monitor the level of the oil tank or place individual orders.
Discount Oil Companies: Also known by the names “COD Fuel” or “Cash Heating Oil” companies, discount oil companies are for families who are on a budget. With discount oil companies, in exchange for lower prices, you monitor the oil level in your tank, and you place an oil order when the oil gauge dips below a quarter tank. Examples of 2 Darien cash heating oil companies serving Darien include Affordable Heating & Fuel LLC and HiHo ClicknGo.
Darien Number Two Heating Oil Company Statistics: Number two heating oil Companies Serving Darien: 35 companies .
Average Number of Darien Households Served per Number Two Heating Oil company : 128
Darien, CT Heating Oil Trends
Last year, Darien homeowners purchased a total of 3 million gallons of heating oil. Out of the 269 towns in Connecticut, Darien ranks 30th for home heating oil consumption.
Country-wide, Darien ranks 121st out of 29,620 towns in America for heating oil consumption.
Short Term Trends
Darien’s overall oil usage varies yearly based on the severity of the winter. As the temperature outside dips, homes’ HVAC systems need to burn increasing amounts of oil to maintain a constant interior temperature. Last winter, the average outside temperature in Darien was 33.0°F, which was 4.2°F colder than the prior winter's average outside temperature.
Darien Average Winter Temperature
| Heating Season | Average Temperature |
|---|---|
| 2024 - 2025 | 33° F |
| 2023 - 2024 | 37.2° F |
Grab the best oil prices for your family by searching by ZIP code on Heat Fleet.
Cheapest Darien Heating Oil Price by Order Quantity
| Quantity | Price | Updated At |
|---|---|---|
| 100 gallonsgals | $3.15 per gallon/gal | Dec 31, 2025, 1:15 PM |
| 150 gallonsgals | $3.15 per gallon/gal | Dec 31, 2025, 1:15 PM |
| 200 gallonsgals | $3.15 per gallon/gal | Dec 31, 2025, 1:15 PM |
| 250 gallonsgals | $3.15 per gallon/gal | Dec 31, 2025, 1:15 PM |
Cheapest Darien Heating Oil Price Trends
Updated on November 14, 2025 at 04:00 AM
| Time Horizon | Price Change |
|---|---|
| 1 Week Trend | +$0.131 |
| 1 Month Trend | -$0.030 |
Cheapest Darien Heating Oil Price History
Updated on November 14, 2025 at 04:00 AM
| Date | Price |
|---|---|
| 11/14/2025 | $3.386 |
| 11/13/2025 | $3.366 |
| 11/12/2025 | $3.383 |
| 11/11/2025 | $3.363 |
| 11/10/2025 | $3.373 |
| 11/09/2025 | $3.346 |
| 11/08/2025 | $3.346 |
| 11/07/2025 | $3.346 |
| 11/06/2025 | $3.330 |
| 11/05/2025 | $3.286 |
| 11/04/2025 | $3.273 |
| 11/03/2025 | $3.283 |
| 11/02/2025 | $3.283 |
| 11/01/2025 | $3.283 |
| 10/31/2025 | $3.283 |
| 10/30/2025 | $3.129 |
| 10/29/2025 | $3.124 |
| 10/26/2025 | $2.914 |
| 10/25/2025 | $2.914 |
| 10/24/2025 | $2.914 |
| 10/23/2025 | $2.914 |
| 10/22/2025 | $2.914 |
| 10/21/2025 | $2.995 |
| 10/20/2025 | $2.995 |
| 10/19/2025 | $2.995 |
| 10/18/2025 | $2.995 |
| 10/17/2025 | $2.995 |
| 10/16/2025 | $3.000 |
| 10/15/2025 | $3.000 |
| 10/14/2025 | $3.000 |
Subscribe to Deals and Price Alerts
20 Seconds Can Save Darien Families $1,000+ On Oil Bills Every Year
Propane vs. Natural Gas vs. Heating Oil: Darien Home Heating Fuel Comparison
Homeowners have a choice of fuels that can be used when it comes to heating. Heating Oil is the preferred choice in Darien, used by 4,473 or 64% of residents. The next most popular primary heating fuel for Darien residents is Propane, used by 917 homes (13%). The rest of the homes are heated with Natural Gas (11%), Electricity (10%), Other (1%), and Solar (0.1%).
Darien Residential Primary Home Heating Fuel (in Number of Households)
| Year | Natural Gas | Propane | Electricity | Oil | Wood | Solar | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 768 | 917 | 704 | 4,473 | 7 | 8 | 58 |
| 2024 | 726 | 916 | 670 | 4,627 | 4 | 4 | 54 |
| 2023 | 694 | 908 | 646 | 4,794 | 0 | 0 | 51 |
| 2022 | 824 | 762 | 582 | 4,789 | 0 | 0 | 143 |
| 2021 | 789 | 714 | 563 | 4,735 | 0 | 0 | 142 |
| 2020 | 720 | 666 | 550 | 4,813 | 0 | 0 | 154 |
| 2019 | 675 | 601 | 562 | 4,884 | 0 | 0 | 133 |
| 2018 | 593 | 646 | 525 | 4,952 | 0 | 0 | 125 |
| 2017 | 597 | 516 | 478 | 4,981 | 34 | 0 | 52 |
| 2016 | 582 | 420 | 377 | 5,129 | 30 | 0 | 43 |
| 2015 | 538 | 354 | 364 | 5,228 | 32 | 0 | 14 |
| 2014 | 500 | 267 | 338 | 5,377 | 34 | 0 | 8 |
| 2013 | 496 | 137 | 301 | 5,473 | 47 | 0 | 9 |
| 2012 | 417 | 133 | 300 | 5,749 | 9 | 0 | 19 |
| 2011 | 371 | 180 | 339 | 5,637 | 9 | 0 | 21 |
Heating Oil (Fuel Oil) Use in Darien
Number two heating oil has become less popular in Darien. In the 11 years since 2014, the number of homeowners using oil decreased from 5,377 to 4,473, a 17% drop.
Propane vs. Natural Gas use for home heating in Darien
Between 2014 and today, the number of households using propane as the primary space heating fuel increased from 267 to 917, a 243% change. Comparing 2014 and today, the number of homes using natural gas as the primary space heating fuel grew from 500 to 768, a 54% change.
Electricity use for home heating in Darien
Electric heat pump systems for home heating are increasing in demand in Darien. Since 2014, the number of homes heating with electricity rose from 338 to 704, a 108% change.
Why Darien Homeowners Choose Heat Fleet?
Quality Oil
On-Time Delivery
No Contracts
Secure Ordering
Pay Later
4 interest free payments with
Grab the best oil prices for your family by searching by ZIP code on Heat Fleet.
Darien, CT Heating Oil Delivery Map

Darien Heating Oil Delivery Overview
4,473 houses in Darien heat their homes with oil. This makes oil delivery essential, especially when Darien temperatures drop as low as 28.4° F each winter. 64% of Darien homes rely on heating oil delivery each winter.
64% of Darien, CT Households Rely On Heating Oil Delivery Each Winter
| Darien, CT Households | Darien, CT Heating Oil Households |
|---|---|
| 6,965 | 4,473 |
35 Darien Oil Companies Go The Distance
With 397,280,973.21 gallons of oil delivered to Darien residences last winter, the Darien community relies on its 35 oil companies to keep warm throughout the winter. Oil delivery has two parts to it: First, an oil truck picks up oil at the nearest bulk fuel terminal (also known as a “rack”). In the case of Darien, two of the closest terminals are Buckeye in Wethersfield, CT and Sprague W in Springfield, MA. Then, the truck delivers the fuel oil to residences and companies throughout Darien and the surrounding vicinity.
Darien Heating Oil Prices FAQs
What is the best price per gallon of home heating oil in Darien?
Is the price of heating oil in Darien rising or falling?
What is the average price of home heating oil in Darien?
How much does 150 gallons of heating oil cost in Darien?
What is the price of home heating oil today in Darien?
What is the current price of heating oil in Darien?
Why are heating oil prices rising today in Darien?
How much is home heating oil right now in Darien?
Is heating oil going up or down in Darien?
How much is oil per gallon in Darien?
How much is oil for heat in Darien?
How high will oil go in Darien?