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

Franklin County Residential Primary Home Heating Fuel (No. 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 Franklin

Number two heating oil has become less frequently used in Franklin. In the 13 years since 2012, the number of residents using heating oil decreased from 1,901,118 to 1,103,323, a 42% drop.

Propane vs. Natural Gas use for home heating in Franklin

Between 2012 and today, the number of houses using propane as the primary space heating fuel rose from 237,738 to 377,922, a 59% change. Comparing 2012 and today, the number of homes using natural gas as the primary space heating fuel jumped from 4,044,389 to 4,725,574, a 17% change.

Electricity use for home heating in Franklin

Electric heat pump systems for home heating are more popular in Franklin. Since 2012, the number of homes heating with electricity grew from 775,390 to 1,365,710, a 76% change.

Adoption of solar home heating systems in Franklin

Out of all fuels, solar is the safest for the environment. With an “active” solar heating system, liquid flows between solar panels on a home’s roof and a heat energy storage tank (similar to a hot water heater) in the basement. As it stands today, 16,434 homes in Franklin are heated with active solar arrays. This is a 658% gain from 2012, when 2,168 homes incorporated active solar heating.

Franklin County Heating Oil Trends

Last year, Franklin County homeowners purchased a total of 4 million gallons of heating oil.

Short Term Trends

Franklin’s overall number two heating oil usage varies annually based on the severity of the winter. As the temperature outside drops, homes’ HVAC systems need to burn additional number two heating oil to maintain the temperature that the thermostat is set to. Last winter, the average outside temperature in Franklin was 28.1°F, which was 5.4°F colder than the prior winter's average outside temperature.

Franklin County Average Winter Temperature

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

Franklin County Homeowner’s Guide to Selecting an Oil Company

For Franklin homes heating with fuel oil, picking which of the 10 heating oil companies that serve Franklin can drastically impact the cost of home heating.

Full Service Oil Companies: Homeowners who value a “set-it-and-forget-it” heating system choose one of the 24 “full-service” oil companies that serve Franklin. Full service companies such as Collins Oil Inc or Harris Oil Inc offer households annual contracts which consist of a combined package of both automatic number two heating oil delivery and boiler repair. With an automatic heating 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 homeowners who are budget-conscious. 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 you're running low. Some of the 2 Franklin cash heating oil companies serving Franklin include Adirondack Energy Products Inc and Fountain Heating LLC.

Franklin Heating Oil Company Statistics: Oil Companies Serving Franklin: 10 companies .
Average Number of Franklin Houses Served per Number Two Heating Oil company : 110332

Franklin Heating Oil Delivery Overview

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

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

Franklin County Households	Franklin County Heating Oil Households
15.6M	1.1M

72 Franklin Heating Oil Companies You Can Bank On

With 664,748,714 gallons of oil delivered to Franklin households the last heating season, the Franklin community depends on its 72 oil companies to keep warm throughout the winter. 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 Franklin, 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 residences and companies throughout Franklin and the surrounding region.

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