Families have a choice of fuels to choose from when it comes to heating. Natural Gas is the most common choice in Nassau, used by 4,725,574 or 61% of residents. The next most popular primary heating fuel for Nassau residents is Electricity, used by 1,365,710 homes (18%). The rest of the homes are heated with Heating Oil (14%), Propane (5%), Other (1%), and Wood (1%).

Nassau County Residential Primary Home Heating Fuel (in Number of Households)

Year	Natural Gas	Propane	Electricity	Oil	Wood	Solar	Other
2025	4,725,574	377,922	1,365,710	1,103,323	92,054	16,434	100,232
2024	4,679,558	370,910	1,292,868	1,143,783	96,147	15,259	97,524
2023	4,581,041	402,335	1,263,700	1,212,850	100,015	11,208	104,369
2022	4,542,443	400,969	1,190,880	1,279,260	99,080	11,314	103,810
2021	4,489,009	388,311	1,118,015	1,293,770	108,202	8,858	98,952
2020	4,504,504	353,944	1,014,730	1,343,665	111,106	8,778	89,024
2019	4,519,999	319,576	911,445	1,393,560	114,011	8,697	79,096
2018	4,397,917	308,020	890,554	1,459,976	120,159	6,022	82,621
2017	4,339,349	294,973	867,925	1,496,843	122,088	5,988	77,386
2016	4,227,422	273,838	860,856	1,540,787	126,890	6,535	79,479
2015	4,202,413	265,224	808,370	1,649,860	141,016	3,120	78,999
2014	4,186,666	258,775	770,577	1,752,656	145,012	2,573	76,963
2013	4,074,510	259,367	764,400	1,802,442	148,422	2,525	81,841
2012	4,044,389	237,738	775,390	1,901,118	155,603	2,168	61,429
2011	4,014,222	222,634	707,016	1,979,067	143,287	2,728	63,609
2010	3,961,085	227,607	676,262	2,068,004	143,242	1,823	61,664

Heating Oil (Fuel Oil) Use in Nassau

Number two heating oil has become losing popularity in Nassau. In the 2 years since 2023, the number of residents using oil decreased from 1,212,850 to 1,103,323, a 9% drop.

Propane vs. Natural Gas use for home heating in Nassau

Between 2023 and today, the number of households using propane as the primary space heating fuel dropped from 402,335 to 377,922, a 6% change. Comparing 2023 and today, the number of homes using natural gas as the primary space heating fuel rose from 4,581,041 to 4,725,574, a 3% change.

Electricity use for home heating in Nassau

Electric heat pump systems for home heating are more popular in Nassau. Since 2023, the number of homes heating with electricity grew from 1,263,700 to 1,365,710, a 8% change.

Adoption of solar home heating systems in Nassau

Out of all fuels, solar is the safest for the environment. With an “active” solar heating system, liquid is circulated between solar panels on a home’s roof and a heat energy storage tank (similar to a hot water heater) in the basement. Now, 16,434 homes in Nassau are heated with active solar arrays. This is a 47% gain from 2023, when 11,208 homes used active solar heating.

Nassau County Heating Oil Trends

Last year, Nassau County homeowners purchased a total of 65 million gallons of heating oil.

Short Term Trends

Nassau’s overall fuel oil use fluctuates from year to year correlating with how cold it gets each winter. As the temperature outside gets more chilly, homes’ heating systems need to burn increasing amounts of number two heating oil to maintain the temperature that the thermostat is set to. Last winter, the average outside temperature in Nassau was 28.1°F, which was 5.4°F colder than the prior winter's average outside temperature.

Nassau County Average Winter Temperature

Heating Season	Average Temperature
2024 - 2025	28.1° F
2023 - 2024	33.5° F

Nassau County Homeowner’s Guide to Selecting an Oil Company

For Nassau families heating with number two heating oil, choosing which of the 220 heating oil companies that serve Nassau is an important decision.

Full Service Oil Companies: Homeowners who are willing to pay a premium for a “set-it-and-forget-it” heating system choose one of the 3784 “full-service” oil companies that serve Nassau. Full service companies such as Lewisy Fuel Oil Inc or Beato Fuel And Appliance Corporation offer customers annual contracts which consist of a combined package of both automatic fuel oil delivery and heating system repair. With an automatic number two heating oil delivery contract, the company tracks your home’s 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 budget-conscious. With discount oil companies, in return for better prices, you monitor the oil level in your tank, and you place an oil order when the oil gauge dips below a quarter tank. A few of the 2 Nassau cash heating oil companies serving Nassau include Best Price Fuel Oil Inc and Rosales Oil Company Inc.

Nassau Heating Oil Company Statistics: Heating oil Companies Serving Nassau: 220 companies .
Average Number of Nassau Houses Served per Number Two Heating Oil company : 5015

Nassau Heating Oil Delivery Overview

1,103,323 houses in Nassau heat their homes with heating oil. This makes oil delivery essential, especially when Nassau temperatures drop as low as 22.4° F each winter. 14.2% of Nassau families depend on number two heating oil delivery each winter.

7% of Nassau County Households Rely On Heating Oil Delivery Each Winter

Nassau County Households	Nassau County Heating Oil Households
15.6M	1.1M

9432 Nassau Number Two Heating Oil Companies You Can Bank On

With 664,748,714 gallons of heating oil delivered to Nassau households last winter, the Nassau community looks to its 9432 oil companies when temperatures dip. Oil delivery can be summed up in two steps: First, an oil truck picks up oil at the nearest bulk fuel terminal (also known as a “rack”). In the case of Nassau, two of the closest terminals are Sprague in Bridgeport, CT and N.h.term in New Haven, CT. Then, the truck delivers the number two heating oil to residences and companies throughout Nassau and the surrounding vicinity.

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