Local research · updated July 2026
Replacement Windows in Clarksville, Tennessee
Clarksville sits next to Fort Campbell on the Tennessee–Kentucky line — a large military growth market with humid summers, severe storms, and high housing turnover. About 25.8% of homes predate 1980 and the median year built is 1996 — comparatively young growth stock, so many jobs are failed dual-pane seals rather than century-old sash restoration. Montgomery County is ENERGY STAR North-Central / IECC 4A (cooler northern Middle Tennessee than Nashville's warmer South-Central 3A band): both U-factor and SHGC matter.
Short answer
In Clarksville, a standard replacement window (double-hung, casement or slider) typically costs $510–$2,895 installed. Bay and bow windows run $2,545–$8,140+, and a sliding patio door $1,525–$5,085. 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 Clarksville with the BEA Regional Price Parity for Clarksville, TN-KY (2024). How we estimate →
25.8%
of Clarksville 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
1996
median year built across Clarksville's 69,610 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 Clarksville
Compare companies serving Clarksville. 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 | La Vergne, TN | Get a quote → |
| 1Pella Windows and Doors Showroom of Hendersonville, TNPella | Hendersonville, TN | Get matched → |
| 2Window World of ClarksvilleWindow World | Clarksville, TN | Get matched → |
Renewal by Andersen of Nashville
4.8 · 200,000+ reviewsLa Vergne, TN showroom · serving the Clarksville 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 Clarksville homeowners directly.
What drives window decisions in Clarksville
- North-Central / 4A: U ≤ 0.25, SHGC ≤ 0.40 under ENERGY STAR v7.0 — not Nashville South-Central 3A copy-paste.
- Military / transient ownership: builder-grade dual-pane failures common on growth stock.
- Tornado and severe-storm risk — laminated glass is a rational debris upgrade.
- TVA / utility pathways and TN IRA when live; 25C expired.
Replacement windows & doors by type in Clarksville
Local cost ranges and North-Central-zone efficiency guidance for each window and door style, specific to Clarksville homes:
Ranges localized to Clarksville's cost level: national planning ranges shifted by the BEA Regional Price Parity for Clarksville, TN-KY (90.9, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Clarksville's climate
Clarksville sits in the ENERGY STAR North-Central zone (IECC zone 4A (mixed, moist), Montgomery 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
Military-market pricing is competitive. Compare identical glass packages across bids. Federal 25C is gone; confirm TVA EnergyRight and utility offers. Itemize NFRC numbers and permit.
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 Clarksville proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Clarksville window replacement FAQ
›Do I need a permit to replace windows in Clarksville?
Usually yes for full replacement. City of Clarksville Building & Codes or Montgomery 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. That is cooler than Nashville's South-Central 3A package. 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.
›Is laminated glass worth it?
Often yes for tornado and hail debris resistance. Ask your insurer. It is risk management, not a coastal mandate.
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 Nashville; NOAA Storm Events Database
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)