Local research · updated July 2026
Replacement Windows in Davenport, Iowa
Davenport is the largest of the Quad Cities, the twin-state cluster straddling the Mississippi River in eastern Iowa and western Illinois, and its window story is written by old houses in a hard climate on the edge of a big river. This is an unusually aged housing stock: 70.2% of homes here predate 1980 and the median home was built in 1966, so the windows most owners live with are original single-pane or first-generation double-pane units well past their service life. It is a genuine four-season market — hot, humid summers and cold winters (IECC zone 5A) — where heating dominates the energy bill and low U-factor glass is the priority. And unlike most river cities its size, Davenport has no permanent floodwall, which makes the riverfront and its floodplain neighborhoods their own distinct chapter of the conversation.
Short answer
In Davenport, a standard replacement window (double-hung, casement or slider) typically costs $500–$2,840 installed. Bay and bow windows run $2,495–$7,980+, and a sliding patio door $1,495–$4,985. 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 Davenport with the BEA Regional Price Parity for Davenport-Moline-Rock Island, IA-IL (2024). How we estimate →
70.2%
of Davenport 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
1966
median year built across Davenport's 47,170 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 Davenport
Compare companies serving Davenport. 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 | Davenport, IA | Get a quote → |
| 1Mad City Windows & Baths of DavenportMad City Windows | Davenport, IA | Get matched → |
| 2Pella Windows and Doors Showroom of Davenport, IAPella | Davenport, IA | Get matched → |
| 3Window World of DavenportWindow World | Davenport, IA | Get matched → |
Renewal by Andersen of Quad Cities
4.8 · 200,000+ reviewsDavenport, IA showroom · serving the Davenport metro
Full-service manufacturer and installer, transferable warranty, local crews. Why it's our Top Pick
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What drives window decisions in Davenport
- Very old stock: 70.2% of Davenport homes predate 1980 and the median build year is 1966, so most replacements pull original single-pane or early double-pane units that no longer seal — one of the older housing profiles among Iowa metros.
- Cold, humid four-season climate (IECC zone 5A): heating dominates the energy bill, so a low U-factor is the number that counts most, and aged wood sashes are prone to condensation and rot from the humidity swings.
- Mississippi River floodplain: as the largest Quad Cities community and one of the few big river cities without a permanent floodwall, low-lying Davenport neighborhoods flood, which puts basement and egress windows front and center for anyone near the water.
- Weak state code floor: Iowa's statewide energy code is based on the older 2012 IECC, so the state does little to push installers toward low-U glass — checking the NFRC U-factor on the label yourself matters more here than in code-strict states.
Replacement windows & doors by type in Davenport
Local cost ranges and Northern-zone efficiency guidance for each window and door style, specific to Davenport homes:
Ranges localized to Davenport's cost level: national planning ranges shifted by the BEA Regional Price Parity for Davenport-Moline-Rock Island, IA-IL (89.1, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Davenport's climate
Davenport sits in the ENERGY STAR Northern zone (IECC zone 5A (cool, moist), Scott 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
Davenport quotes follow the same drivers as anywhere — the number of openings, frame material, glass package, and whether the crew does a simple insert or a full-frame tear-out — but the age of the stock is the local wildcard. With a 1966 median and better than seven in ten homes built before 1980, out-of-square openings, tired wood or early aluminum frames, plaster returns, and prior remodel work are common, and any of them can turn a straightforward insert into a full-frame replacement. Floodplain homes add another consideration: bringing an old below-grade basement window up to egress code can mean a larger opening and an exterior window well, which adds cost but adds real safety and resale value. Because Iowa's rebate landscape is thin right now, plan the budget assuming you pay full price. Rather than trust a headline per-window figure, get itemized written quotes from multiple local installers and compare the same glass spec, pane count, and installation method line for line.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in Iowa
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.
Iowa's Home Energy Rebates are administered by the Iowa Economic Development Authority alongside the Iowa Finance Authority, with roughly $120 million split across the HOMES and HEAR tracks. As of mid-2026 neither program had launched to the public — the state had applied for funds but the rollout stalled amid federal DOE funding uncertainty, and no firm start date had been set. Windows would qualify only through the whole-home HOMES modeled-savings track rather than as a standalone rebate; confirm current status before counting on it.
- MidAmerican Energy & Alliant Energy efficiency rebates. The two dominant Iowa utilities — MidAmerican (Des Moines metro) and Alliant (much of eastern and central Iowa) — run residential efficiency programs weighted toward heat pumps, heat pump water heaters, smart thermostats, and insulation. Neither offers a direct window-replacement rebate, so in most of Iowa windows are not a utility-rebated upgrade. Confirm current program terms with your specific utility. (MidAmericanEnergy.com and AlliantEnergy.com residential rebate pages)
Iowa's statewide energy code is still based on the 2012 IECC with state amendments that loosened air-leakage and duct-testing requirements, leaving it weaker and several cycles behind its neighbors; Des Moines permits and inspects through the city building department. The IECC 5A northern climate makes a low U-factor the priority spec for replacement windows.
Replacement windows in nearby metros
Not in Davenport proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Davenport window replacement FAQ
›Do I need a permit to replace windows in Davenport?
Generally yes. The City of Davenport's Development and Neighborhood Services department handles building permits, and window replacement is permitted work. In practice the city requires a licensed and bonded contractor to pull the permit on the property owner's behalf for most work, so your installer should be handling it, not you. A like-for-like swap into the same opening is simpler than a change to opening size, structure, or egress, which will draw closer code review. Because thresholds and fees change, confirm the current requirements with Development and Neighborhood Services for your address before you sign, and make sure the permit is pulled rather than skipped.
›What efficiency numbers should Davenport windows hit?
Davenport sits in the ENERGY STAR Northern climate zone (IECC zone 5A). The current Northern specification targets a U-factor of 0.22 or lower to control heat loss through cold Iowa winters, paired with a solar heat gain coefficient (SHGC) floor of 0.17 or higher so you keep some beneficial winter solar gain. In this heating-dominated climate the low U-factor is the priority — it is the number that most affects your winter comfort and bills. Ask to see the NFRC label on the exact unit being quoted, not a brand's best-case brochure figure, and confirm both the U-factor and the SHGC.
›Are there rebates or tax credits for windows in Davenport right now?
Not really, as of mid-2026 — Iowa is a lean rebate market for windows. The federal 25C energy-efficient home improvement credit, which covered qualifying windows, expired December 31, 2025, so it is not available for 2026 installs. Iowa's IRA-funded Home Energy Rebate programs, run through the state (IEDA and the Iowa Finance Authority), had stalled and were not launched by mid-2026, so there is no live state rebate to claim yet. MidAmerican Energy, which serves the Quad Cities, runs residential efficiency programs, but they are weighted toward HVAC and insulation — we have not found a direct window rebate. Iowa's energy code is also only a weak 2012 IECC base, so nothing on the code side is pushing incentives toward low-U glass. Verify current offerings with MidAmerican and the state before you buy, but plan on paying full price.
›I'm near the river — what should I know about flooding and my windows?
Davenport is famously one of the few large Mississippi River cities without a permanent floodwall, and the 2019 flood breached the temporary barriers and inundated downtown, with the river cresting at a record 22.64 feet. If your home is in a floodplain neighborhood, treat basement and below-grade windows with care: make sure finished-basement bedrooms have egress windows that meet escape-and-rescue requirements, and know that flood-prone openings may call for larger wells or more careful sealing. Check your address against the current FEMA flood maps, and if a past flood damaged windows, document it before removal and file promptly with your insurer, since carriers set the timeline on those claims.
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
- — National Weather Service, Quad Cities (Davenport); USGS Mississippi River gage records; 2019 HESCO barrier breach reporting (crest 22.64 ft, April 30, 2019)
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)