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Local research · updated July 2026

Double-hung windows in Eugene, Oregon

Two vertically sliding sashes; both the top and bottom sash open. For Eugene's mixed-age housing stock (51.7% of homes predate 1980), double-hung window replacement is a common project — and in the ENERGY STAR Northern zone, the number that matters most is a low U-factor (≤ 0.22) to keep heat in.

Short answer

Double-hung windows in Eugene typically cost $710–$3,235 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 Eugene (BEA Regional Price Parity, 2024). How we estimate →

$710–$3,235

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 Eugene

51.7%

of Eugene homes were built before 1980

Source: U.S. Census Bureau, 2019–2023 ACS 5-Year Estimates

U ≤ 0.22

the ENERGY STAR v7.0 number that matters most in the Northern zone

Source: EPA ENERGY STAR v7.0

Is a Double-hung window right for a Eugene 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 Eugene's climate

Eugene sits in the ENERGY STAR Northern zone (IECC zone 4C (marine), Lane County), where the priority is a low U-factor (≤ 0.22) 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 Northern zone, prioritize a well-built unit and a low U-factor (≤ 0.22) 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 Eugene

Double-hung window replacement in Eugene runs $710–$3,235 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. Willamette Valley pricing is typically below Portland peaks but Oregon energy code rules out the cheapest glass. Rot-damaged frames force full-frame work. Energy Trust of Oregon rebates (when active) can offset qualifying units. Federal 25C is gone. Itemize NFRC numbers and permit.

That's the national range shifted to Eugene's cost level using the BEA Regional Price Parity for Eugene-Springfield, OR (101.6, 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 Eugene

A sample of companies with locations in the Eugene market. See the full Eugene directory for all listings, our map, and featured-partner disclosures.

✓ Top PickPremier Partner

Renewal by Andersen of Eugene

Renewal by Andersen4.8 · 200,000+ reviews

Springfield, OR showroom · serving the Eugene metro

Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick

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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 Eugene homeowners directly.

Rebates & incentives in Oregon

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.

Oregon runs IRA Home Energy Rebate programs alongside long-standing state incentives; windows can qualify within a modeled whole-home efficiency retrofit. Verify current availability first. See our Eugene guide for the full program list.

Double-hung windows in Eugene: FAQ

›What efficiency numbers should a Double-hung window in Eugene meet?

Eugene sits in the ENERGY STAR Northern zone (IECC 4C (marine)). Qualifying units need a U-factor of 0.22 or lower with an SHGC of at least 0.17. Double-hung sashes seal against weatherstripping as they slide, so they have more potential air-leakage paths than hinged styles. In the Northern zone, prioritize a well-built unit and a low U-factor (≤ 0.22) to offset that.

›How much does Double-hung window replacement cost in Eugene?

A useful planning range for Double-hung window replacement in Eugene is $710–$3,235 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. Willamette Valley pricing is typically below Portland peaks but Oregon energy code rules out the cheapest glass. Rot-damaged frames force full-frame work. Energy Trust of Oregon rebates (when active) can offset qualifying units. Federal 25C is gone. Itemize NFRC numbers and permit.

›Do I need a permit to replace Double-hung windows in Eugene?

Replacement generally requires a permit, and new units must meet the current energy code. See our Eugene 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)