Haw River, NC
5 miles west
2,425 people, about a ninth of Mebane's population
Attic insulation in Haw RiverAttic Insulation in Mebane, NC
Blown-in attic insulation for Mebane, NC, in Alamance County, plus removal and air sealing.
About Mebane and Its Homes
Mebane grew up along the railroad, which reached it in 1855, and sits across the Alamance and Orange county line. Its older houses fill the grid of streets south of the tracks, though most homes here were built in 1970 or later.
Mebane, in Alamance County, grew from 18,255 people in 2020 to 21,952 in 2025 (Census Bureau estimates), on 11.9 square miles. That makes Mebane the second-largest town in Alamance County.
Mebane has about 8,600 housing units; 61 percent of the city's households own their home.
Mebane at a Glance
- County: Alamance County
- Population: 21,952 (2025), 18,255 (2020), up 20.3%
- Land area: 11.9 square miles (1,843 people each)
- Housing units: about 8,600 (±468)
- Median year built: 2005 (±2); Alamance County: 1988
- Owner-occupied: 61% (±4); Alamance County: 65%
- Detached houses: 59% (±3); Alamance County: 66%
- Attached houses: 5% (±2)
- Apartments: 35% (±6)
- Climate zone: 4 (state code), 3 (2021 map)
- ENERGY STAR target for Mebane attics: R-49 from bare, R-38 over 3 to 4 inches (R-value guide)
Census Bureau estimates for Mebane, 2020 to 2024 (± margin of error).
Mebane Homes and Their Attics
Dormered Bungalows in Old South Mebane
The Old South Mebane Historic District holds houses from about 1900 to 1961. Its 2011 nomination counts side-gable Craftsman bungalows with recessed porches and dormers among its largest houses. It also lists Cape Cods and a gambrel-roofed Dutch Colonial. In each of these, part of the upstairs is built into the roof. ENERGY STAR points out that rooms like this often have open framing in the floor under their short side walls. Those cavities leak air even when insulation has been stuffed against them. So the floor bays under the knee walls get blocked and sealed, then the side attics are insulated along with the flat ceiling above.
Rows of Small Houses on Austin and McKinley Streets
On Austin Street the same nomination describes a series of hip-roofed, one-story houses from about 1929 to 1936, with gable-front ones on West McKinley Street. They are so alike that they were likely built as workers' housing. The 2013 boundary increase added more one-story Craftsman houses on West Lee and West McKinley Streets, from about 1924 into the 1940s, which it compares to mill housing. Under a small hip roof, every side of the attic pinches down toward the eaves, not just the front and back. A rear addition may also hide its own separate attic. ENERGY STAR advises spreading insulation evenly with no low spots, so each section gets the same depth right out to the walls.
Attic Insulation in Mebane
Some 13 percent of Mebane's homes predate 1970; if your joists show above the insulation, ENERGY STAR says to add more insulation.
In 2010 or later, 38 percent of Mebane homes went up; check their air sealing as well as the depth.
The Local Climate
Mebane's center sits about 670 feet above sea level, 6 miles from NOAA's Haw River 1 E station, the best match for Mebane. The station's 1991 to 2020 normals average about 3,550 heating and 1,590 cooling degree days a year, so at Mebane's station, heating needs outweigh cooling.
Readings change over short distances around Mebane: NOAA's Burlington Fire Station 5, 10 miles away, averages about 3,290 heating degree days.
Homes by Age: What It Means for the Attic
Some 59 percent of Mebane housing units are detached single-family houses.
From 1990 to 2009, 36 percent of Mebane homes were built to codes below ENERGY STAR's target; check their eaves, where ENERGY STAR says insulation is often thinnest.
About 20 percent of Mebane's housing units predate 1980; nearly all predate the state's 1978 insulation rule too. About 35 percent of Mebane units sit in buildings of two or more homes, where the attic is often shared.
Homes by Year Built
- Before 1940: 5% (±2), about 400 units
- 1940s: 3% (±2), about 275 units
- 1950s: 3% (±1), about 230 units
- 1960s: 3% (±1), about 235 units
- 1970s: 7% (±3), about 570 units
- 1980s: 6% (±2), about 510 units
- 1990s: 14% (±4), about 1,190 units
- 2000s: 23% (±3), about 1,940 units
- 2010s: 32% (±5), about 2,800 units
- 2020 or later: 6% (±2), about 520 units
Air Sealing and Duct Sealing in Mebane
In Mebane, 54 percent of homes heat with electricity; where that heat is forced air, ducts often run through the attic.
Air sealing comes first, as the EPA advises: wire and pipe holes, wall tops and soffits.
How Homes Here Are Heated
- Electricity: 54% (±5), about 4,300 households; Alamance County: 52%
- Piped gas: 44% (±5), about 3,500 households
- Bottled or tank gas: 1% (±1), about 100 households
Power, Gas and Rebates
Duke Energy serves most of Mebane, Piedmont Electric Cooperative its edges; your bill says which. For gas, Mebane is in the Alamance County franchise of Enbridge Gas North Carolina, and 44 percent of the city's homes heat with piped gas. Duke's free House Call fits many Mebane homes: 54 percent heat with electricity.
Rebate to check in Mebane: Smart $aver Insulate and Seal (Duke Energy; Insulation Pros is an approved trade ally). Before a job in Mebane, check its current terms; the Alamance County page lists every program.
Attic Insulation Removal in Mebane
In a Mebane attic, only wet, moldy or animal-soiled insulation is vacuumed out (ENERGY STAR's test), once the cause is fixed, and after mice that Mebane attic is sanitized and deodorized; dry, clean insulation stays.
Also Serving Near Mebane
Nearest to Mebane first.
Green Level, NC
5 miles northwest
Median home built 1986 (Mebane: 2005); 3,409 people, about a sixth of Mebane's population
Attic insulation in Green LevelSwepsonville, NC
6 miles southwest
2,632 people, about an eighth of Mebane's population
Attic insulation in SwepsonvilleHillsborough, NC
10 miles east
Median home built 2001 (Mebane: 2005); 9,778 people, about half of Mebane's population
Attic insulation in Hillsborough
Mebane Insulation FAQs
Do I need approval to insulate my house in the Old South Mebane district?
Not because of the district. Old South Mebane is a National Register district, listed in 2011 and enlarged in 2013. According to the State Historic Preservation Office, that kind of listing does not limit what an owner does with private money. In Alamance County, the 2023 state roster shows commissions only for the county, Burlington and Graham. We know of no Mebane body that reviews outside changes. If you are unsure about your street, ask the city before changing anything outside.
Why is the bonus room over my garage in Mebane so hard to heat and cool?
Often because the floor under it is not sealed. A room over a garage has outside air on several sides, including below. The Building America Solution Center says the floor above a garage needs air sealing, with the insulation pressed tight against the underside of the subfloor. If it sags, air washes over it. The knee walls and the low attics beside the room need the same attention. Air sealing, attic insulation and garage insulation are all work we do.
Does attic insulation in Mebane need a permit?
Mebane City Hall can say whether Alamance County Inspections, the city itself or another office handles permits in Mebane; ask before work starts.
Helpful Guides
- Median home built 2005: bonus rooms over garages
- Power from Duke Energy: high summer electric bills and home energy audits
Sources
Census Bureau figures for Mebane, NOAA normals for the Haw River 1 E station, Duke Energy (October 2026). Compiled by Insulation Pros. How the town pages are made.
Sources for the Mebane notes and questions (read October 20, 2026):
- About Mebane, City of Mebane
- Mebane, in The North Carolina Gazetteer (William S. Powell, 2nd ed., UNC Press 2010), NCpedia
- Old South Mebane Historic District Boundary Increase, National Register nomination (NC HPO)
- Year Structure Built (table B25034), Mebane city, American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau via Census Reporter
- Old South Mebane Historic District, National Register nomination (NC HPO)
- Sealing Air Leaks in the Attic, ENERGY STAR do-it-yourself guide
- Adding Attic Insulation, ENERGY STAR do-it-yourself guide
- NC Listings in the National Register of Historic Places, NC State Historic Preservation Office
- What Is the National Register of Historic Places?, NC State Historic Preservation Office
- Historic Preservation Commission Staff in North Carolina, listed by county, as of 2/20/2023 (NC HPO)
- Floor Above Garage, Building America Solution Center (U.S. Department of Energy, PNNL)
- Attic Air Sealing Project, ENERGY STAR
Mebane, NC
Open in Google Maps (opens in a new tab)Serving Mebane, NC
Insulation Pros is an insulation contractor serving North Carolina, Mebane and the rest of Alamance County included.
Reach us
Send the square footage of your Mebane attic, or call (336) 870-3893.