Residences have a host of fuels that can be used when it comes to heating. Natural Gas is the most popular 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 decreasing in demand in Nassau. In the 4 years since 2021, the number of homeowners using oil fell from 1,293,770 to 1,103,323, a 15% drop.

Propane vs. Natural Gas use for home heating in Nassau

Between 2021 and today, the number of homes using propane as the primary space heating fuel fell from 388,311 to 377,922, a 3% change. Comparing 2021 and today, the number of homes using natural gas as the primary space heating fuel ramped up from 4,489,009 to 4,725,574, a 5% change.

Electricity use for home heating in Nassau

Electric heat pump systems for home heating are more prevalent in Nassau. Since 2021, the number of homes heating with electricity ramped up from 1,118,015 to 1,365,710, a 22% change.

Adoption of solar home heating systems in Nassau

Solar is the most environmentally friendly of all heating fuels. 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 86% gain from 2021, when 8,858 homes utilized 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 changes each year primarily depending on how cold each winter is. As the temperature outside gets colder, homes’ boilers need to burn increasing amounts of 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 heating oil, choosing which of the 221 heating oil companies that serve Nassau makes a big difference.

Full Service Oil Companies: Homeowners who want a “set-it-and-forget-it” heating system select one of the 3831 “full-service” oil companies that serve Nassau. Full service companies such as Lewisy Fuel Oil Inc or Beato Fuel And Appliance Corporation offer families annual contracts which consist of a combined package of both automatic heating oil delivery and boiler repair. With an automatic fuel oil delivery contract, the company tracks your home’s oil consumption and makes deliveries when your tank is running low. The client does not need to monitor the level of the oil tank or place individual orders.

Discount Oil Companies: Often called “COD Fuel” or “Cash Heating Oil” companies, discount oil companies are for households who are on a budget. With discount oil companies, in return for better prices, you monitor the number two heating oil level in your tank, and you place an oil order when the oil gauge dips below a quarter tank. Some of the 2 Nassau cash heating oil companies serving Nassau include Best Price Fuel Oil Inc and Rosales Oil Company Inc.

Nassau Oil Company Fast Facts: Oil Companies Serving Nassau: 221 companies .
Average Number of Nassau Homes Served per Fuel Oil company : 4992

Nassau Heating Oil Delivery Overview

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

9479 Nassau Number Two Heating Oil Companies Serving The Community

With 664,748,714 gallons of heating oil delivered to Nassau homeowners the last heating season, the Nassau community depends on its 9479 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 Nassau, two of the closest terminals are Sprague in Bridgeport, CT and N.h.term in New Haven, CT. Then, the truck delivers the oil to homes and businesses throughout Nassau and the surrounding vicinity.

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