Attic Insulation in Rutherford County, NC

Rutherford County and Its Homes

Rutherford County grew 2 percent from 2020 to 2025, to 65,745 people by the Census Bureau's estimate, in about 32,800 housing units.

Its eight incorporated towns each have a page here: Forest City, Spindale, Rutherfordton, Lake Lure, Ellenboro, Bostic, Ruth and Chimney Rock Village. About 30 percent of Rutherford County's housing units are inside town limits, the rest in unincorporated areas.

Red brick old city hall building at a street corner in Rutherfordton — The old city hall in Rutherfordton, North Carolina Photo: Upstateherd, CC BY-SA 4.0, via Wikimedia Commons; cropped and resized

Rutherford County at a Glance

Population: 65,745 (2025), 64,370 (2020)
Housing units: about 32,800
Median year built: 1981 (North Carolina: 1991)
Built before 1980: 49% (statewide: 34%)
Detached houses: 72%
Mobile homes: 17%
Owner-occupied: 74%
Heated with electricity: 74% (statewide: 65%)
Climate zone: 3 (2021 map), 4 (state code)
Towns with pages here: 8

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

Towns and Communities in Rutherford County

Forest City
7,410 people · median home 1965 · its own electric system
Spindale
4,180 people · Duke Energy
Rutherfordton
3,723 people · Duke Energy
Lake Lure
1,391 people · median home 1988 · Duke Energy
Ellenboro
738 people · median home 1976 · Duke Energy
Bostic
359 people · its own electric system
Ruth
345 people · Duke Energy
Chimney Rock Village
126 people · Duke Energy

Unincorporated communities the Census Bureau maps in Rutherford County: Cliffside, Caroleen and Henrietta (median year built 1958).

What We Do in Rutherford County

Attic Insulation in Rutherford County
Some 49 percent of Rutherford 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 Rutherford County
Wet, moldy or animal-soiled insulation comes out of Rutherford County attics, and a mouse-soiled Rutherford County attic is sanitized and deodorized; in the 24 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Rutherford County
Some 74 percent of Rutherford County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.

Homes in Rutherford County

Half of Rutherford County's 32,800 housing units were built before 1981: 35 percent before 1970, 49 percent before 1980 (nearly all before the state's 1978 insulation rule) and 8 percent in 2010 or later (16 percent statewide). The largest share went up in the 1990s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves. Among Rutherford County towns, the median home is oldest in Forest City (1965) and newest in Lake Lure (1988).

Rutherford County by type: 72 percent detached houses, 8 percent in buildings of two or more homes and 17 percent mobile homes. In Rutherford County, 74 percent of homes heat with electricity, 8 percent with piped gas (24 percent statewide), 10 percent with tank gas, 5 percent with oil or kerosene (2 percent statewide) and 3 percent with wood.

Rutherford County Homes by Year Built

Before 1940: about 2,480 units, 8% (±1)
1940s: about 2,170 units, 7% (±1)
1950s: about 3,290 units, 10% (±1)
1960s: about 3,480 units, 11% (±1)
1970s: about 4,640 units, 14% (±1)
1980s: about 4,020 units, 12% (±1)
1990s: about 5,860 units, 18% (±2)
2000s: about 4,390 units, 13% (±1)
2010s: about 2,010 units, 6% (±1)
2020 or later: about 460 units, 1% (±1)

Climate Across Rutherford County

NOAA 1991 to 2020 normals for Rutherford County towns, by station: Forest City 8 W station (Forest City, Spindale, Rutherfordton, Bostic and 1 more): about 3,650 heating and 1,390 cooling degree days; Lake Lure 2 station (Lake Lure and Chimney Rock Village): about 3,660 heating and 1,330 cooling degree days; Shelby 2 NW station (Ellenboro): about 3,560 heating and 1,460 cooling degree days.

Power and Gas in Rutherford County

The card lists Rutherford County's town 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 Rutherford County; their programs are the same, and the power bill names the one at an address.

Enbridge Gas North Carolina holds the Rutherford County gas franchise (NC Utilities Commission map), and 8 percent of Rutherford County homes heat with piped gas.

Who Supplies Power in Rutherford County

Duke Energy: Spindale, Rutherfordton, Lake Lure, Ellenboro, Ruth and Chimney Rock Village; homes near Forest City and Bostic
Broad River Electric Cooperative: homes near Spindale, Rutherfordton, Lake Lure, Ellenboro, Ruth and Chimney Rock Village
Forest City's own electric system: Forest City
Bostic's own electric system: Bostic
Rutherford EMC: homes near Rutherfordton and Lake Lure

Energy Programs for Rutherford County Homes

Check each program's current terms for a Rutherford 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 Rutherford County

Smart $aver Insulate and Seal (Duke Energy rebate; Spindale, Rutherfordton, Lake Lure, Ellenboro and more).
Home Energy House Call (Duke Energy home assessment; Spindale, Rutherfordton, Lake Lure, Ellenboro and more).
ElectriCities energy audits (ElectriCities member towns; Forest City and Bostic).
Income-qualified Weatherization (Duke Energy income-qualified; Spindale, Rutherfordton, Lake Lure, Ellenboro and more).
ThermWise Weatherization Assistance (Enbridge Gas; Rutherford County gas customers): no-cost weatherization for gas customers, income-qualified.
Energy Saver North Carolina (statewide income-qualified; any Rutherford County address).
Weatherization Assistance Program (statewide income-qualified; any Rutherford County address).

Get Your Free Estimate

or call (336) 870-3893

Rutherford County Insulation FAQs

Do you serve all of Rutherford County?

Yes: Forest City, Spindale, Rutherfordton, Lake Lure, Ellenboro, Bostic, Ruth and Chimney Rock Village, and every unincorporated Rutherford County address.

Which utilities offer insulation rebates in Rutherford County?

Duke Energy's Smart $aver Insulate and Seal (Spindale, Rutherfordton, Lake Lure, Ellenboro and more).

Does attic insulation in Rutherford County need a permit?

Ask Rutherford County Building Inspections before work starts. For an address in Forest City, Spindale, Rutherfordton or another Rutherford County town, the town or city hall can tell you whether Rutherford County's office handles its permits.