Attic Insulation in Alamance County, NC

Alamance County and Its Homes

Alamance County grew 8 percent from 2020 to 2025, to 186,177 people by the Census Bureau's estimate, in about 77,100 housing units.

Its nine incorporated towns each have a page here: Burlington, Mebane, Graham, Elon, Green Level, Swepsonville, Haw River, Alamance and Ossipee. About 65 percent of Alamance County's housing units are inside town limits, the rest in unincorporated areas.

Stone monument on an open field ringed by tall pine trees — Alamance Battleground State Historic Site in Alamance County, North Carolina Photo: Dougtone, CC BY-SA 2.0, via Wikimedia Commons; cropped and resized

Alamance County at a Glance

Population: 186,177 (2025), 171,624 (2020)
Housing units: about 77,100
Median year built: 1988 (North Carolina: 1991)
Built before 1980: 42% (statewide: 34%)
Detached houses: 66%
Mobile homes: 12%
Owner-occupied: 65%
Heated with electricity: 52% (statewide: 65%)
Climate zone: 3 (2021 map), 4 (state code)
Towns with pages here: 9

Census Bureau estimates for Alamance County (housing: 2020 to 2024).

Towns and Communities in Alamance County

Burlington
61,496 people · median home 1978 · Duke Energy
Mebane
21,952 people · median home 2005 · Duke Energy
Graham
20,131 people · median home 1987 · Duke Energy
Elon
11,366 people · median home 1997 · Duke Energy
Green Level
3,409 people · median home 1986 · Duke Energy
Swepsonville
2,632 people · Duke Energy
Haw River
2,425 people · Duke Energy
Alamance
1,061 people · median home 2001 · Duke Energy
Ossipee
577 people · Duke Energy
Gibsonville
Guilford County town · about 4,700 residents in Alamance County

Unincorporated communities the Census Bureau maps in Alamance County: Glen Raven (about 1,300 housing units), Saxapahaw, Woodlawn (median year built 1978) and Altamahaw.

What We Do in Alamance County

Attic Insulation in Alamance County
Some 42 percent of Alamance County housing units predate 1980; joists showing above their insulation mean more blown-in fiberglass is due, R-49 from bare.
Attic Insulation Removal in Alamance County
Wet, moldy or animal-soiled insulation comes out of Alamance County attics, and a mouse-soiled Alamance County attic is sanitized and deodorized; in the 21 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Alamance County
Some 52 percent of Alamance County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.

Homes in Alamance County

Half of Alamance County's 77,100 housing units were built before 1988: 30 percent before 1970, 42 percent before 1980 (nearly all before the state's 1978 insulation rule) and 16 percent in 2010 or later. The largest share went up in the 2000s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves. Among Alamance County towns, the median home is oldest in Burlington (1978) and newest in Mebane (2005).

Alamance County by type: 66 percent detached houses, 20 percent in buildings of two or more homes and 12 percent mobile homes. In Alamance County, 52 percent of homes heat with electricity, 40 percent with piped gas (24 percent statewide) and 6 percent with tank gas.

Alamance County Homes by Year Built

Before 1940: about 5,050 units, 7% (±1)
1940s: about 3,770 units, 5% (±1)
1950s: about 7,540 units, 10% (±1)
1960s: about 6,880 units, 9% (±1)
1970s: about 8,790 units, 11% (±1)
1980s: about 8,510 units, 11% (±1)
1990s: about 12,040 units, 16% (±1)
2000s: about 12,360 units, 16% (±1)
2010s: about 10,090 units, 13% (±1)
2020 or later: about 2,040 units, 3% (±1)

Climate Across Alamance County

NOAA 1991 to 2020 normals for Alamance County towns, by station: Haw River 1 E station (Mebane, Graham, Green Level, Swepsonville and 1 more): about 3,550 heating and 1,590 cooling degree days; Burlington Fire Station 5 (Burlington and Elon): about 3,290 heating and 1,650 cooling degree days; Burlington Alamance Airport station (Alamance and Ossipee): about 3,270 heating and 1,740 cooling degree days.

Power and Gas in Alamance County

The card lists Alamance County's town and countryside utilities by the territory maps; a power bill confirms the one at an address. The territory map does not split Duke Energy's two North Carolina companies in Alamance County; their programs are the same, and the power bill names the one at an address.

Piedmont Natural Gas holds the Alamance County gas franchise (NC Utilities Commission map), and 40 percent of Alamance County homes heat with piped gas.

Who Supplies Power in Alamance County

Duke Energy: Burlington, Mebane, Graham, Elon, Green Level, Swepsonville, Haw River, Alamance and Ossipee
Piedmont Electric Cooperative: homes near Mebane
Randolph EMC: other parts of Alamance County

Energy Programs for Alamance County Homes

Check each program's current terms for an Alamance County home; some pay only through the utility's contractor network. Insulation Pros is an approved Duke Energy trade ally for Duke's rebate.

Programs for Alamance County

Smart $aver Insulate and Seal (Duke Energy rebate; Burlington, Mebane, Graham, Elon and more).
Attic Insulation and Duct Sealing Rebates (Piedmont Electric Cooperative; near Mebane): member rebates for bringing attic insulation up to at least R-38 and for duct sealing, installed by a contractor.
Home Energy House Call (Duke Energy home assessment; Burlington, Mebane, Graham, Elon and more).
Home Energy Advisor (Piedmont Electric Cooperative; near Mebane): free home energy analysis.
Home energy analysis (Randolph EMC; parts of Alamance County): a free home energy analysis for members.
Income-qualified Weatherization (Duke Energy income-qualified; Burlington, Mebane, Graham, Elon and more).
Energy Saver North Carolina (statewide income-qualified; any Alamance County address).
Weatherization Assistance Program (statewide income-qualified; any Alamance County address).
Piedmont Natural Gas lists rebates for high-efficiency gas furnaces, and none for insulation or air sealing (program page).

Get Your Free Estimate

or call (336) 870-3893

Alamance County Insulation FAQs

Do you serve all of Alamance County?

Yes: Burlington, Mebane, Graham, Elon, Green Level, Swepsonville, Haw River, Alamance and one more town, the parts of Gibsonville inside Alamance County, and every unincorporated Alamance County address.

Which utilities offer insulation rebates in Alamance County?

Duke Energy's Smart $aver Insulate and Seal (Burlington, Mebane, Graham, Elon and more); Piedmont Electric Cooperative's Attic Insulation and Duct Sealing Rebates (homes near Mebane).

Does attic insulation in Alamance County need a permit?

Ask Alamance County Inspections before work starts. For an address in Burlington, Mebane, Graham or another Alamance County town, the town or city hall can tell you whether Alamance County's office handles its permits.