Local research · updated July 2026
Double-hung windows in Blacksburg, Virginia
Two vertically sliding sashes; both the top and bottom sash open. For Blacksburg's mixed-age housing stock (44% of homes predate 1980), double-hung window replacement is a common project — and in the ENERGY STAR North-Central zone, the number that matters most is a low U-factor (≤ 0.25) to keep heat in.
Short answer
Double-hung windows in Blacksburg typically cost $650–$2,950 installed per opening. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand.
NREL REMDB + BLS PPI, localized to Blacksburg (BEA Regional Price Parity, 2024). How we estimate →
$650–$2,950
installed range per opening for Double-hung window, from a mid-grade insert up to a premium or full-frame job
Source: NREL REMDB + BLS PPI, localized to Blacksburg
44%
of Blacksburg homes were built before 1980
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
Is a Double-hung window right for a Blacksburg home?
Both sashes slide vertically and typically tilt inward for cleaning.
Where it fits:
- Traditional and historic home styles
- Rooms facing walkways, porches, or patios (no outward projection)
- Easy cleaning from inside on upper floors
What to weigh:
- More potential air-leakage paths than hinged styles at equal quality
- Half the opening ventilates at any one time
Double-hung windows and Blacksburg's climate
Blacksburg sits in the ENERGY STAR North-Central zone (IECC zone 4A (mixed, moist), Montgomery County), where the priority is a low U-factor (≤ 0.25) to keep heat in.
Double-hung sashes seal against weatherstripping as they slide, so they have more potential air-leakage paths than hinged styles. In the North-Central zone, prioritize a well-built unit and a low U-factor (≤ 0.25) to offset that.
New to these numbers? See our plain-English guide to U-factor and SHGC and the full double-hung guide.
What Double-hung windows cost in Blacksburg
Double-hung window replacement in Blacksburg runs $650–$2,950 installed. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand. University-market pricing. Elevation cold rewards better glass than cheapest vinyl flyers. Federal 25C is gone. Itemize every bid.
That's the national range shifted to Blacksburg's cost level using the BEA Regional Price Parity for Blacksburg-Christiansburg-Radford, VA (92.7, U.S. = 100; 2024). How we estimate local costs →
For a breakdown by frame material and install type, see our full cost guide.
Installers serving Blacksburg
A sample of companies with locations in the Blacksburg market. See the full Blacksburg directory for all listings, our map, and featured-partner disclosures.
| Company | Location | Request a quote |
|---|---|---|
| Roanoke, VA | Get a quote → | |
| 1Window World of RoanokeWindow World | Roanoke, VA | Get matched → |
| 2Window World of Southwest VirginiaWindow World | Wytheville, VA | Get matched → |
Renewal by Andersen of Roanoke, VA
Roanoke, VA showroom · serving the Blacksburg 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 Blacksburg homeowners directly.
Rebates & incentives in Virginia
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.
Virginia's Home Energy Rebates are administered by Virginia Energy (the State Energy Office), which has roughly $188 million allocated across the HOMES and HEAR tracks but had not launched either program as of mid-2026 — the office was still revising its application to conform to updated U.S. Department of Energy guidance and awaiting federal approval, with no committed launch date. When it does open, windows would qualify only under the whole-home HOMES track, where the rebate scales with modeled energy savings rather than as a standalone window incentive. Confirm current status before relying on this, as the timeline has repeatedly slipped. See our Blacksburg guide for the full program list.
Double-hung windows in Blacksburg: FAQ
›What efficiency numbers should a Double-hung window in Blacksburg meet?
Blacksburg sits in the ENERGY STAR North-Central zone (IECC 4A (mixed, moist)). Qualifying units need a U-factor of 0.25 or lower and an SHGC of 0.4 or lower. Double-hung sashes seal against weatherstripping as they slide, so they have more potential air-leakage paths than hinged styles. In the North-Central zone, prioritize a well-built unit and a low U-factor (≤ 0.25) to offset that.
›How much does Double-hung window replacement cost in Blacksburg?
A useful planning range for Double-hung window replacement in Blacksburg is $650–$2,950 installed. The low end is a mid-grade vinyl insert from a regional installer; the top is a premium frame, a full-frame installation, or a full-service national brand. University-market pricing. Elevation cold rewards better glass than cheapest vinyl flyers. Federal 25C is gone. Itemize every bid.
›Do I need a permit to replace Double-hung windows in Blacksburg?
Replacement generally requires a permit, and new units must meet the current energy code. See our Blacksburg guide for local permitting and rebate details, and always confirm your installer pulls the permit.
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
- — NREL residential window cost analysis (planning ranges)