Local research · updated July 2026
Replacement Windows in Greeley, Colorado
Greeley sits on the northern Front Range plains — hail alley, high-altitude UV, wind, and ag/oil-and-gas growth. Of the city's housing units, 46% predate 1980 and the median year built is 1984. Weld County is ENERGY STAR Northern / IECC 5B like Fort Collins and Denver: low U-factor for cold winters. Replacement here is hail resilience and cold-climate glass — not coastal impact code.
Short answer
In Greeley, a standard replacement window (double-hung, casement or slider) typically costs $560–$3,190 installed. Bay and bow windows run $2,805–$8,975+, and a sliding patio door $1,685–$5,605. 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 Greeley with the BEA Regional Price Parity for Greeley, CO (2024). How we estimate →
46%
of Greeley 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
1984
median year built across Greeley's 41,134 housing units
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
Window installers in Greeley
Compare companies serving Greeley. 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 | Longmont, CO | Get a quote → |
| 1Champion Replacement Windows of Ft. CollinsChampion | Loveland, CO | Get matched → |
| 2Window World of DenverWindow World | Denver, CO | Get matched → |
Renewal by Andersen Window Replacement
4.8 · 200,000+ reviewsLongmont, CO showroom · serving the Greeley 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 Greeley homeowners directly.
What drives window decisions in Greeley
- Northern / 5B: U-factor ≤ 0.22 under ENERGY STAR v7.0; heating priority.
- Front Range hail and high-altitude UV stress glass and cheap vinyl.
- Growth and ag/energy economy: mixed stock; frame honestly from ACS.
- Colorado IRA and utility pathways when live; 25C expired.
Replacement windows & doors by type in Greeley
Local cost ranges and Northern-zone efficiency guidance for each window and door style, specific to Greeley homes:
Ranges localized to Greeley's cost level: national planning ranges shifted by the BEA Regional Price Parity for Greeley, CO (100.2, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Greeley's climate
Greeley sits in the ENERGY STAR Northern zone (IECC zone 5B (cold, dry), Weld County). Under the v7.0 specification, qualifying windows need a U-factor of 0.22 or lower with a solar heat gain coefficient (SHGC) of at least 0.17. Heating-dominated climate: the window must hold heat in (very low U-factor) while still letting some free solar warmth through in winter (minimum SHGC). Equivalent-performance tradeoffs allow U-factors of 0.23–0.26 when paired with progressively higher solar gain.
Not sure what these numbers mean? Read our plain-English guide to U-factor and SHGC.
What replacement windows cost here
Northern Front Range pricing runs above national averages. Hail-rated packages raise material cost. Federal 25C is gone; confirm Colorado Energy Office and utility offers. Ask your insurer about impact credits.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in Colorado
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.
Colorado runs live IRA Home Energy Rebate programs; whole-home efficiency retrofits (HOMES pathway) can include window replacement when part of a modeled energy-savings project.
- Xcel Energy insulation & air sealing rebates. Xcel Colorado offers home efficiency rebates; window projects qualify indirectly when bundled with a home energy audit and envelope work. (Xcel Energy CO program pages)
- Denver Climate Action Rebates. The City of Denver has run its own climate rebate rounds for home electrification and efficiency upgrades; funding rounds vary by year. (City & County of Denver Climate Action office)
Colorado is a home-rule state: Denver enforces the Denver Building Code based on recent IECC editions; requirements can exceed the state baseline.
Replacement windows in nearby metros
Not in Greeley proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Greeley window replacement FAQ
›Do I need a permit to replace windows in Greeley?
Usually yes for full replacement. City of Greeley Building Inspection or Weld County. Confirm the installer pulls the permit.
›What efficiency numbers should windows hit?
ENERGY STAR Northern and IECC 5B: U-factor 0.22 or lower under v7.0. Read the NFRC label.
›Are impact or hail-resistant windows worth it?
Often yes if your neighborhood has taken hail. Ask your insurer about premium credits before you sign.
›Are there rebates?
Federal 25C expired December 31, 2025. Colorado IRA Home Energy Rebates may cover windows inside whole-home projects — confirm current Colorado Energy Office status.
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 Boulder / Cheyenne; NOAA Storm Events; Rocky Mountain Insurance Information Association
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)