Local research · updated July 2026
Replacement Windows in Kingsport, Tennessee
Kingsport anchors the Tennessee Tri-Cities with Johnson City and Bristol — Appalachian foothills, ice storms, industrial heritage (Eastman), and cooler weather than Middle Tennessee. Of the city's housing units, 58.1% predate 1980 and the median year built is 1974. Sullivan County is ENERGY STAR North-Central / IECC 4A: both U-factor and SHGC matter. Replacement here is cold snaps and humidity — not Nashville boom-suburb glass.
Short answer
In Kingsport, a standard replacement window (double-hung, casement or slider) typically costs $485–$2,750 installed. Bay and bow windows run $2,420–$7,735+, and a sliding patio door $1,450–$4,835. 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 Kingsport with the BEA Regional Price Parity for Kingsport-Bristol, TN-VA (2024). How we estimate →
58.1%
of Kingsport 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
1974
median year built across Kingsport's 27,525 housing units
Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates
SHGC ≤ 0.4
the ENERGY STAR v7.0 number that matters most in the North-Central zone
Source: EPA ENERGY STAR v7.0
Window installers in Kingsport
Compare companies serving Kingsport. 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 | Knoxville, TN | Get a quote → |
| 1Champion Replacement Windows of Johnson CityChampion | Johnson City, TN | Get matched → |
| 2Pella Windows and Doors Showroom of Johnson City, TNPella | Johnson City, TN | Get matched → |
| 3Window World of Tri-CitiesWindow World | Bristol, TN | Get matched → |
Renewal by Andersen of Knoxville
4.8 · 200,000+ reviewsKnoxville, TN showroom · serving the Kingsport 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 Kingsport homeowners directly.
What drives window decisions in Kingsport
- North-Central / 4A: U ≤ 0.25, SHGC ≤ 0.40 under ENERGY STAR v7.0.
- Industrial-era and multi-family stock: non-standard openings and lead-safe work common.
- Ice storms and freeze-thaw stress putty and sills.
- TVA / utility pathways and TN IRA when live; 25C expired.
Replacement windows & doors by type in Kingsport
Local cost ranges and North-Central-zone efficiency guidance for each window and door style, specific to Kingsport homes:
Ranges localized to Kingsport's cost level: national planning ranges shifted by the BEA Regional Price Parity for Kingsport-Bristol, TN-VA (86.4, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Kingsport's climate
Kingsport sits in the ENERGY STAR North-Central zone (IECC zone 4A (mixed, moist), Sullivan County). Under the v7.0 specification, qualifying windows need a U-factor of 0.25 or lower and an SHGC of 0.4 or lower. Mixed climate: good insulation matters most, with a moderate cap on solar gain so summer cooling costs stay in check.
Not sure what these numbers mean? Read our plain-English guide to U-factor and SHGC.
What replacement windows cost here
East Tennessee pricing is generally moderate. Age of openings drives spreads. Federal 25C is gone; confirm TVA EnergyRight and utility offers. Itemize every bid.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in Tennessee
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.
Tennessee's IRA Home Energy Rebates are administered by TDEC's Office of Energy Programs (the state energy office); the state's allocation was approved but the consumer-facing HOMES/HEAR programs had not launched as of mid-2026. Check TDEC for current status before promising rebates.
- TVA EnergyRight Home Energy Rebates. TVA's valley-wide EnergyRight program offers residential rebates that explicitly include windows alongside insulation, air sealing, and HVAC; work must be done by a contractor in TVA's Quality Contractor Network, who submits the rebate for you. (TVA EnergyRight (energyright.com))
- Local power company programs (NES, MLGW, EPB, and co-ops). TVA distributes EnergyRight through local power companies — Nashville Electric Service, Memphis Light Gas & Water, Chattanooga's EPB, Middle Tennessee Electric and others — so rebate availability and amounts vary by utility; confirm with your local power company. (NES, MLGW, EPB, MTE program pages)
Tennessee's statewide residential energy code is still based on the 2009 IECC with state amendments, though some cities such as Nashville enforce newer editions — check local requirements for replacement window U-factors.
Replacement windows in nearby metros
Not in Kingsport proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Kingsport window replacement FAQ
›Do I need a permit to replace windows in Kingsport?
Usually yes for full replacement. City of Kingsport Building Codes or Sullivan County. Confirm the installer pulls the permit.
›What efficiency numbers should windows hit?
ENERGY STAR North-Central and IECC 4A: U-factor 0.25 or lower and SHGC 0.40 or lower. Read the NFRC label.
›Are there rebates?
Federal 25C expired December 31, 2025. TVA EnergyRight and Tennessee efficiency programs may help with strings. Confirm paperwork yourself.
›Restore original sash or replace?
Sound wood plus storms can work. Full replacement when sashes are rotted or seals have failed systemically. Assess frame and sill condition first.
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 Morristown; NOAA winter climatology
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)