Local research · updated July 2026
Replacement Windows in Manchester, New Hampshire
Manchester is southern New Hampshire's largest city on the Merrimack — Amoskeag mill-era housing and cold 5A winters that make low U-factor glass the whole energy story. About 66.2% of homes predate 1980 and the median year built is 1964. ENERGY STAR Northern targets apply; nor'easters and freeze-thaw punish drafty sash. New Hampshire has no state sales tax or broad-based income tax, which can simplify the after-tax cost conversation, but it does not invent a window rebate. First New Hampshire metro on this site, inside the Southern Maine & New Hampshire RBA territory.
Short answer
In Manchester, a standard replacement window (double-hung, casement or slider) typically costs $590–$3,365 installed. Bay and bow windows run $2,960–$9,465+, and a sliding patio door $1,775–$5,915. 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 Manchester with the BEA Regional Price Parity for Manchester-Nashua, NH (2024). How we estimate →
66.2%
of Manchester 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
1964
median year built across Manchester's 52,391 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 Manchester
Compare companies serving Manchester. 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 | Northborough, MA | Get a quote → |
| 1Pella Windows & DoorsPella | Rochester, NH | Get matched → |
| 2Pella Windows and Doors Showroom of Bedford, NHPella | Bedford, NH | Get matched → |
| 3Pella Windows and Doors Showroom of New London, NHPella | New London, NH | Get matched → |
| 4Pella Windows and Doors Showroom of Newington, NHPella | Newington, NH | Get matched → |
| 5Pella Windows and Doors Showroom of Woburn, MAPella | Woburn, MA | Get matched → |
| 6Power Home RemodelingPower Home Remodeling | Waltham, MA | Get matched → |
| 7Universal Windows Direct of ManchesterUniversal Windows Direct | Manchester, NH | Get matched → |
| 8Window World of BostonWindow World | Burlington, MA | Get matched → |
| 9Window World of BostonWindow World | Haverhill, MA | Get matched → |
| 10Window World of New HampshireWindow World | Manchester, NH | Get matched → |
Renewal by Andersen of Boston
4.8 · 200,000+ reviewsNorthborough, MA showroom · serving the Manchester 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 Manchester homeowners directly.
What drives window decisions in Manchester
- Northern / 5A: U-factor ≤ 0.22 under ENERGY STAR v7.0; heating dominates.
- Mill-era and multi-family stock: weight-and-pulley sashes, out-of-square openings, pre-1978 lead-safe work.
- Nor'easters, ice, and freeze-thaw stress putty and sills along the Merrimack corridor.
- NHSaves utility programs and pending NH Department of Energy IRA tracks; 25C expired.
Replacement windows & doors by type in Manchester
Local cost ranges and Northern-zone efficiency guidance for each window and door style, specific to Manchester homes:
Ranges localized to Manchester's cost level: national planning ranges shifted by the BEA Regional Price Parity for Manchester-Nashua, NH (105.7, U.S. = 100; 2024). How we estimate local costs →
Efficiency requirements for Manchester's climate
Manchester sits in the ENERGY STAR Northern zone (IECC zone 5A (cool, moist), Hillsborough 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
Southern NH pricing sits below Boston but reflects New England labor and old-housing complexity. Full-frame work and lead-safe containment add cost. Federal 25C is gone; NHSaves assessments and weatherization are the live utility path, while state IRA HOMES/HEAR were still launching as of mid-2026. New Hampshire's lack of sales tax can lower out-of-pocket materials cost relative to neighboring states — confirm with your contractor's quote, not as a substitute for efficiency incentives.
For a breakdown by frame material and install type, see our full cost guide.
Rebates & incentives in New Hampshire
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.
New Hampshire's IRA Home Energy Rebates are administered by the New Hampshire Department of Energy. As of mid-2026 the Home Electrification and Appliance Rebates (HEAR) track was expected to launch mid-summer 2026 (not yet open to projects started before official launch), and the Home Efficiency Rebates (HOMES / HER) whole-home track was still awaiting federal funding and guidance — so neither path was a dependable consumer rebate for windows yet. Windows would generally fit only inside a whole-home modeled-savings project when HOMES opens. Confirm current status at energy.nh.gov before promising rebate money.
- NHSaves (utility efficiency programs). NHSaves is the statewide efficiency brand of New Hampshire's electric and gas utilities (Eversource, Unitil, New Hampshire Electric Cooperative, and Liberty). Rebates and services focus on home energy assessments, insulation and air sealing, heat pumps, and appliances — not a reliable standalone per-window rebate. A no- or low-cost assessment is still worth scheduling before a large envelope project. Confirm current offers at nhsaves.com. (NHSaves (nhsaves.com); New Hampshire utility partners)
New Hampshire adopts a statewide energy code based on recent IECC editions (historically lagging the newest model code — confirm the edition enforced by your local building official). Southern New Hampshire (including Manchester) is IECC climate zone 5A; ENERGY STAR Northern targets call for a U-factor of 0.22 or lower under Version 7.0. New Hampshire has no state sales tax or broad-based income tax — that can affect the after-tax cost conversation, but it does not replace federal or utility incentive paperwork.
Replacement windows in nearby metros
Not in Manchester proper? These nearby markets carry the same local research: housing-age data, climate-zone specs, and current rebate status for each city:
Manchester window replacement FAQ
›Do I need a permit to replace windows in Manchester?
Usually yes for full replacement. City of Manchester Building Department / Planning & Community Development handles permits. Confirm multi-family rules and have the installer pull the permit under their license.
›What efficiency numbers should Manchester windows hit?
ENERGY STAR Northern and IECC 5A: U-factor 0.22 or lower under v7.0 (with equivalent-energy tradeoffs). Heating-dominated southern NH rewards low U-factor and good air sealing. Read the NFRC label.
›Are there rebates for windows in Manchester?
Federal 25C expired December 31, 2025. NHSaves utilities fund assessments, insulation, and equipment more than standalone windows. NH Department of Energy IRA HEAR/HOMES tracks were still coming online mid-2026 — confirm energy.nh.gov and nhsaves.com before counting dollars.
›Does New Hampshire's no-sales-tax status change the window decision?
It can lower the sales-tax line on materials versus MA or other neighbors, but it is not a rebate and does not change energy-code or performance needs. Still get itemized bids and verify any utility or state incentive separately.
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 Gray/Portland; NOAA winter climatology
- — IRS, 25C Energy Efficient Home Improvement Credit (P.L. 119-21)