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Oil Companies
Oil Prices For Heating Oil Companies In Darien, CT
Updated on March 11, 2026 at 12:06 PM
Darien Homeowner’s Guide to Selecting an Oil Company
For Darien families heating with fuel oil, choosing which of the 36 heating oil companies that serve Darien makes a big difference.
Full Service Oil Companies: Homeowners who prefer a “set-it-and-forget-it” heating system choose one of the 22 “full-service” oil companies that serve Darien. Full service companies such as Montanari Fuel Service Inc or Rural Energy LLC offer homeowners annual contracts which consist of a combined package of both automatic heating oil delivery and furnace repair. With an automatic number two heating oil delivery contract, the company tracks your home’s heating oil consumption and makes deliveries when your tank is running low. The family does not need to monitor the level of the oil tank or place individual orders.
Discount Oil Companies: also referred to as “COD Fuel” or “Cash Heating Oil” companies, discount oil companies are for customers who are looking to save money. With discount oil companies, in exchange for lower prices, you monitor the oil level in your tank, and you place an oil order when you're running low. A few of the 2 Darien cash heating oil companies serving Darien include Affordable Heating & Fuel LLC and HiHo ClicknGo.
Darien Oil Company Statistics: Fuel oil Companies Serving Darien: 36 companies .
Average Number of Darien Houses Served per Number Two Heating Oil company : 124
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 number two heating oil consumption varies from year to year primarily depending on how cold each winter is. As the temperature outside dips, homes’ boilers need to burn more and more 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 |
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Oil Prices
Average Darien Heating Oil Price Trends
Updated on March 9, 2026
| Time Horizon | Price Change |
|---|---|
| 1 Week Trend | +$0.818 |
| 1 Month Trend | +$1.023 |
| 3 Month Trend | +$1.490 |
| 1 Year Trend | +$1.579 |
Average Darien Heating Oil Price History
Updated on March 9, 2026
| Date | Price |
|---|---|
| 03/09/2026 | $5.106 |
| 03/02/2026 | $4.288 |
| 02/23/2026 | $4.077 |
| 02/16/2026 | $4.055 |
| 02/09/2026 | $4.083 |
| 02/02/2026 | $4.087 |
| 01/26/2026 | $3.871 |
| 01/19/2026 | $3.543 |
| 01/12/2026 | $3.484 |
| 01/05/2026 | $3.505 |
| 12/29/2025 | $3.496 |
| 12/22/2025 | $3.480 |
| 12/15/2025 | $3.562 |
| 12/08/2025 | $3.616 |
| 12/01/2025 | $3.630 |
| 11/24/2025 | $3.729 |
| 11/17/2025 | $3.710 |
| 11/10/2025 | $3.690 |
| 11/03/2025 | $3.560 |
| 10/27/2025 | $3.526 |
| 10/20/2025 | $3.389 |
| 10/13/2025 | $3.403 |
| 10/06/2025 | $3.371 |
| 09/29/2025 | $3.532 |
| 09/22/2025 | $3.476 |
| 09/15/2025 | $3.515 |
| 09/08/2025 | $3.496 |
| 09/01/2025 | $3.494 |
| 08/25/2025 | $3.531 |
| 08/18/2025 | $3.424 |
| 08/11/2025 | $3.475 |
| 08/04/2025 | $3.501 |
| 07/28/2025 | $3.587 |
| 07/21/2025 | $3.693 |
| 07/14/2025 | $3.574 |
| 07/07/2025 | $3.594 |
| 06/30/2025 | $3.454 |
| 06/23/2025 | $3.463 |
| 06/16/2025 | $3.634 |
| 06/09/2025 | $3.329 |
| 06/02/2025 | $3.249 |
| 05/26/2025 | $3.268 |
| 05/19/2025 | $3.334 |
| 05/12/2025 | $3.254 |
| 05/05/2025 | $3.242 |
| 04/28/2025 | $3.448 |
| 04/21/2025 | $3.383 |
| 04/14/2025 | $3.380 |
| 04/07/2025 | $3.307 |
| 03/31/2025 | $3.488 |
| 03/24/2025 | $3.506 |
| 03/17/2025 | $3.527 |
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Heating Oil
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
Residences have a choice of fuels that can be used when it comes to heating. Heating Oil is the most popular choice in Darien, used by 4,473 or 64% of homeowners. The next most popular primary heating fuel for Darien residents is Propane, used by 917 homes (13%). The other 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 6 years since 2019, the number of homeowners using number two heating oil fell from 4,884 to 4,473, a 8% drop.
Propane vs. Natural Gas use for home heating in Darien
Between 2019 and today, the number of houses using propane as the primary space heating fuel rose from 601 to 917, a 53% change. Comparing 2019 and today, the number of homes using natural gas as the primary space heating fuel shot up from 675 to 768, a 14% change.
Electricity use for home heating in Darien
Electric heat pump systems for home heating are more popular in Darien. Since 2019, the number of homes heating with electricity increased from 562 to 704, a 25% change.
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Oil Delivery
Darien, CT Heating Oil Delivery Map
Darien Heating Oil Delivery Overview
4,473 households in Darien heat their homes with fuel oil. This makes oil delivery essential, especially when Darien temperatures drop as low as 28.4° F each winter. 64% of Darien households depend on fuel 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 |
36 Darien Heating Oil Companies Serving The Community
With 397,280,973.21 gallons of fuel oil delivered to Darien homeowners the last heating season, the Darien community relies on its 36 oil companies when temperatures dip. Oil delivery is a two step process: 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 number two heating oil to residences and companies throughout Darien and the surrounding area.
