Local research · updated July 2026
Replacement Windows in Florence, South Carolina
Florence sits in South Carolina's Pee Dee at the I-95/I-20 crossroads — humid heat, inland hurricane remnants, tornado risk, and mixed older and growth stock. Of the city's housing units, 48% predate 1980 and the median year built is 1982. Florence County is ENERGY STAR South-Central / IECC 3A: low SHGC for cooling with enough winter for a real U-factor. Replacement here is humidity and storm resilience — not coastal barrier-island WBDR alone.
Short answer
In Florence, a standard replacement window (double-hung, casement or slider) typically costs $485–$2,765 installed. Bay and bow windows run $2,430–$7,775+, and a sliding patio door $1,460–$4,855. Frame material and the glass package decide where a project lands in that range.
Planning ranges built from NREL and BLS cost data, localized to Florence with the BEA Regional Price Parity for Florence, SC (2024). How we estimate →
48%
of Florence homes were built before 1980, the era of single-pane and early aluminum windows
Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates
1982
median year built across Florence's 19,244 housing units
Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates
SHGC ≤ 0.23
the ENERGY STAR v7.0 number that matters most in the South-Central zone
Source: EPA ENERGY STAR v7.0
Window installers in Florence
Compare companies serving Florence. Request a free, no-obligation quote and we route it to the company or a vetted local installer.
| Company | Location | Request a quote |
|---|---|---|
 4.8 · 200,000+ reviews | Conway, SC | Get a quote → |
Renewal by Andersen of Central North Carolina - Conway
4.8 · 200,000+ reviewsConway, SC showroom · serving the Florence metro
Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick
Get a quote →Listings compiled from manufacturer dealer locators and public business records. Premier and Sponsored Partners pay for placement and are labeled as such; star ratings shown are reported by the partner, with the source and date beside them. See our advertising disclosure. Contacting a company shares your details with it (or a vetted local installer) so it can reach you about your project.
Are you a window company? Claim your listing to take quote requests from Florence homeowners directly.
What drives window decisions in Florence
- South-Central / 3A: U ≤ 0.28, SHGC ≤ 0.23 under ENERGY STAR v7.0.
- Inland hurricane wind and tornado risk — laminated glass is a rational upgrade.
- Mixed older and growth stock: two different job types.
- SC utility / IRA pathways when live; 25C expired.
Replacement windows & doors by type in Florence
Local cost ranges and South-Central-zone efficiency guidance for each window and door style, specific to Florence homes:
Ranges localized to Florence's cost level: national planning ranges shifted by the BEA Regional Price Parity for Florence, SC (86.8, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Florence's climate
Florence sits in the ENERGY STAR South-Central zone (IECC zone 3A (warm, moist), Florence County). Under the v7.0 specification, qualifying windows need a U-factor of 0.28 or lower and an SHGC of 0.23 or lower. Cooling-leaning climate: blocking solar heat gain (low SHGC) matters as much as insulation.
Not sure what these numbers mean? Read our plain-English guide to U-factor and SHGC.
What replacement windows cost here
Pee Dee pricing is generally moderate. Federal 25C is gone. Itemize NFRC numbers and permit.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in South Carolina
The federal window tax credit (25C) ended for projects placed in service after December 31, 2025. If your windows were installed in 2025, you can still claim it on your 2025 return — but for new projects there is no federal window credit. State and utility programs are now the main source of window incentives.
South Carolina's IRA Home Energy Rebates are administered by the South Carolina Energy Office (within the Office of Regulatory Staff); the HOMES and HEAR allocations are approved but, as of mid-2026, the consumer-facing programs had not launched, with the Energy Office still finalizing software and contractor enrollment after repeated delays. Windows generally qualify only through the whole-home HOMES modeled-savings track rather than as a standalone item. Confirm current status with the SC Energy Office before promising rebates.
- Duke Energy Smart $aver window rebate. Duke Energy's residential Smart $aver program offers an energy-efficient window rebate that does reach Duke's South Carolina customers, but only for homes with whole-home electric heating (heat pump, electric furnace, or radiant electric), on complete window replacements with air sealing, capped at 13 windows per home. (Duke Energy Smart $aver (duke-energy.com))
- Dominion Energy South Carolina EnergyWise. Dominion Energy South Carolina's residential EnergyWise program rebates heat pumps, central AC, ductwork, and heat pump water heaters but does not offer a standalone replacement-window rebate; window help is generally limited to its income-qualified weatherization offering. (Dominion Energy South Carolina (dominionenergy.com))
South Carolina's residential energy code has lagged, remaining based on the 2009 IECC with state amendments, so code-minimum window U-factors are dated; Charleston and Columbia permitting runs through local building departments, and the hot-humid IECC zone 3A climate makes solar heat gain coefficient (SHGC) as important as U-factor for replacement windows.
Replacement windows in nearby metros
Not in Florence proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Florence window replacement FAQ
›Do I need a permit to replace windows in Florence?
Usually yes for full replacement. City of Florence Building Department. Confirm the installer pulls the permit.
›What efficiency numbers should windows hit?
ENERGY STAR South-Central and IECC 3A: U-factor 0.28 or lower and SHGC 0.23 or lower. Read the NFRC label.
›Are there rebates?
Federal 25C expired December 31, 2025. Check South Carolina utility programs and state IRA status.
›Restore original sash or replace?
Sound wood plus storms can work. Full replacement when sashes are rotted or seals have failed systemically.
Sources
- — U.S. Census Bureau, American Community Survey 5-Year Estimates (B25034, B25035)
- — EPA ENERGY STAR Version 7.0 Residential Windows specification
- — DOE/PNNL IECC climate zone assignments by county
- — NWS Wilmington NC / Columbia SC; NOAA Storm Events Database
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)