Local research · updated July 2026
Replacement Windows in Burlington, Vermont
Burlington is an old city in a cold place, and both facts shape every window job here. Vermont's largest city and the anchor of Renewal by Andersen's Vermont territory, it sits on the shore of Lake Champlain in IECC Zone 6A — among the coldest markets in this guide. The housing matches the setting: 73.1% of Burlington's homes predate 1980 and the median build year is 1957, so much of the stock is postwar or older, from the Hill Section's Victorians and the university-area doubles to the brick and wood-frame blocks downtown. Set that aging envelope against long, hard Champlain-valley winters and the job is almost entirely about heat retention and air-tightness. Two local realities steer it further: a college town (UVM) with a deep historic-preservation and energy-efficiency culture — meaning design review downtown and a stringent statewide energy code — and an incentive landscape that points efficiency money at insulation and air sealing rather than replacement windows.
Short answer
In Burlington, a standard replacement window (double-hung, casement or slider) typically costs $565–$3,215 installed. Bay and bow windows run $2,825–$9,035+, and a sliding patio door $1,695–$5,645. 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 Burlington with the BEA Regional Price Parity for Burlington-South Burlington, VT (2024). How we estimate →
73.1%
of Burlington 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
1957
median year built across Burlington's 18,339 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 Burlington
Compare companies serving Burlington. 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 | Hartford, VT | Get a quote → |
| 1Pella Windows and Doors Showroom of Plattsburgh, NYPella | Plattsburgh, NY | Get matched → |
| 2Pella Windows and Doors Showroom of South Burlington, VTPella | South Burlington, VT | Get matched → |
| 3Window World of the Green MountainsWindow World | South Burlington, VT | Get matched → |
Renewal by Andersen of Vermont
4.8 · 200,000+ reviewsHartford, VT showroom · serving the Burlington 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.
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What drives window decisions in Burlington
- The stock is old and heating-dominated. With a median build year of 1957 and nearly three-quarters of homes built before 1980, Burlington is full of original or early-replacement wood sashes in openings that are often out of square or weather-worn, so full-frame replacement is frequently the honest call over a cheap pocket insert — especially where sills and trim have taken decades of Champlain-valley winters.
- Zone 6A on Lake Champlain makes a low U-factor the number that matters. In a Burlington winter, heat loss and drafts dwarf solar control, so low U-factor double-pane and increasingly triple-pane packages are treated as standard rather than an upgrade — they are what reliably hold air-tightness and hit the strictest efficiency tier on the cold side of a replacement.
- Vermont enforces a mandatory statewide energy code — the Residential Building Energy Standard (RBES), 2024 edition — that sets stringent low U-factor requirements for windows and requires a signed RBES certificate on covered residential work. Unlike much of the country, that code applies to every home, not just those in a rebate program, so the efficiency floor here is set by law.
- Historic preservation runs deep downtown. Much of central Burlington and neighborhoods like the Hill Section fall under design review or sit in historic districts, where the Department of Permitting & Inspections and the city's Replacement Window Guidelines for Historic Buildings steer owners toward repairing sound original sashes or matching traditional materials rather than dropping in standard vinyl.
Replacement windows & doors by type in Burlington
Local cost ranges and Northern-zone efficiency guidance for each window and door style, specific to Burlington homes:
Ranges localized to Burlington's cost level: national planning ranges shifted by the BEA Regional Price Parity for Burlington-South Burlington, VT (100.9, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Burlington's climate
Burlington sits in the ENERGY STAR Northern zone (IECC zone 6A (cold, moist), Chittenden 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
Old openings drive the cost story in Burlington. With a median build year of 1957 and most of the stock built before 1980, original wood frames are frequently out of square, rot-softened, or too shallow for a modern insulated unit, so installers often recommend full-frame replacement over a cheaper insert, which raises the per-window price. Cold-climate glass adds up front too: low U-factor double-pane, and increasingly triple-pane, cost more but are where the heating-season savings live in a Zone 6A climate — and Vermont's mandatory RBES code sets a stringent U-factor floor you cannot buy under. Downtown and in the historic districts, a design-review requirement for wood or clad-wood units that match the originals can cost a multiple of a standard vinyl job. And because Efficiency Vermont's weatherization rebates pay for insulation and air sealing rather than replacement windows, the sticker price is close to what you actually pay out of pocket. Get itemized bids that separate the window unit from labor and any frame, sill, or trim repair, and be wary of a single low number that hides scope.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in Vermont
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.
Vermont is a national efficiency leader, but its IRA Home Energy Rebates were caught in the 2025 federal funding freeze; the Department of Public Service administers the roughly $58 million allocation, with HOMES delivered mainly to income-qualified households through the state Weatherization Assistance Program and Efficiency Vermont as a partner. State officials have advised not to count on HEAR funds for 2026 projects. Windows would typically qualify only via the whole-home HOMES modeled-savings path, not as a dedicated rebate. Confirm current program status first.
- Efficiency Vermont weatherization rebates. Efficiency Vermont's 2026 incentives offer generous weatherization support (up to 90% cash back for income-eligible homes), but they target air sealing and insulation — Efficiency Vermont does not offer a standalone window-replacement rebate. Windows matter mostly as part of a comprehensive project; confirm current terms and the November 2026 funding deadline. (EfficiencyVermont.com 2026 rebates announcement)
- Vermont Weatherization Assistance Program (WAP). The state's income-qualified WAP delivers no-cost whole-home retrofits and can include window or door replacement where cost-effective, alongside air sealing and insulation. Eligibility is income-based; confirm current limits and provider. (publicservice.vermont.gov weatherization / IRA page)
Vermont enforces a statewide, mandatory Residential Building Energy Standard (RBES); the 2024 edition builds on the 2018/2021 IECC with more stringent Vermont-specific amendments and requires builder self-certification for new homes, additions, and alterations. The very cold climate (IECC zone 6A) drives low U-factor window requirements.
Replacement windows in nearby metros
Not in Burlington proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Burlington window replacement FAQ
›Do I need a permit to replace windows in Burlington, and what does the state energy code require?
Usually yes on the permit. Burlington treats alterations to a building's elevations — including window replacement — as work that requires a zoning permit through the City of Burlington Department of Permitting & Inspections, submitted via the city's online permit portal; short-form applications cover simpler projects. A limited exemption for exterior changes to single-family homes does not apply in design review areas, historic districts, or to properties listed or eligible for the State or National Register, so much of the older core needs a permit and often design review. Separately, Vermont enforces a statewide code — the Residential Building Energy Standard (RBES), 2024 edition — that sets stringent low U-factor requirements for replacement windows and requires a signed RBES certificate on covered work. Confirm your specific scope with Permitting & Inspections (zoning line 802-865-7188) before ordering.
›What efficiency numbers should replacement windows hit in Burlington?
Burlington (Chittenden County) is in the ENERGY STAR Northern climate zone and IECC Zone 6A — cold and heating-dominated on Lake Champlain. The ENERGY STAR Version 7.0 Northern-zone spec targets a U-factor of 0.22 or lower with a solar heat gain coefficient (SHGC) of 0.17 or higher; the SHGC floor is deliberate, because in a heating climate you want some free winter solar gain. In a climate this cold, U-factor — how well the window resists heat loss — is the number that matters most, which is why triple-pane packages are increasingly common here. Note that Vermont's mandatory RBES code independently sets a low U-factor requirement, so the state floor and the ENERGY STAR target point the same direction. Ask to see the NFRC label on any unit you are quoted and confirm both numbers rather than taking a salesperson's ENERGY STAR claim on faith.
›Are there rebates for window replacement in Burlington now that the federal credit is gone?
For windows specifically, expect little. The federal 25C energy-efficient home improvement tax credit for windows expired December 31, 2025, so it is no longer available for new projects. Vermont is a national efficiency leader, but Efficiency Vermont's flagship weatherization rebates — offering large cash-back percentages on air sealing and insulation — do not pay for standalone window replacement; the program is built around the building envelope, and its guidance often notes that improving or weatherstripping existing windows is more cost-effective than replacing them. Vermont's IRA-funded Home Energy Rebates, administered through the Department of Public Service, were caught in the 2025 federal funding freeze and were not open for general single-family projects as of mid-2026. Green Mountain Power, the local utility, points customers toward those same efficiency programs. In short, the local money favors insulation and air sealing first; verify current terms with Efficiency Vermont before counting on any amount.
›My house is old or in a historic district — what does that mean for a window project?
It means two things. First, age: with a median build year of 1957 and 73.1% of Burlington homes built before 1980, most houses carry original or early-replacement wood sashes in openings that may be out of square or weather-worn, so a straight insert is not always possible and full-frame replacement is common. Second, location: much of downtown and neighborhoods like the Hill Section fall under design review or sit in historic districts, where the Department of Permitting & Inspections applies the city's Replacement Window Guidelines for Historic Buildings. In those areas the guidance favors repairing sound original sashes and using traditional matching materials — wood for wood — over standard vinyl replacements, following the Secretary of the Interior's Standards. Get the historic and zoning review sorted before ordering windows; reversing a wrong order is an expensive mistake in this market.
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
- — U.S. DOE / IECC climate zone 6A
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)