Window Replacement Cost in Montana (2027 Price Guide)
Price your windows in Montana
Plan on about $4,700 to $7,940 to put 10 new double-hung vinyl windows into a Montana home. That works out to $469.26-$793.28 a window, with $5,590 as the middle-of-the-road figure.
Those figures use our windows calculator with its standard options: Low-E glass with argon fill, basic build quality, no grids and the existing interior trim reused. Prices here run about 4% below the national average.
Window Replacement Cost in Montana by Frame Material
Most homeowners pick vinyl for cost, but it pays to see the spread. In Montana, wood frames for this job cost $7,450 to $12,600; fiberglass, $8,070 to $13,640. Not every opening is a double-hung. Per window in Montana: $558.64 for double-hung, $880.90 for a slider, $3,229.33 for a bay or bow unit.
| Frame (10 double-hung windows) | Installed cost | Estimate | Per window |
|---|---|---|---|
| Vinyl | $4,700 to $7,940 | $5,590 | $469.26 – $793.28 |
| Wood | $7,450 to $12,600 | $8,870 | $744.80 – $1,259.07 |
| Fiberglass | $8,070 to $13,640 | $9,610 | $806.72 – $1,363.75 |
| Aluminum | $7,760 to $13,120 | $9,240 | $775.76 – $1,311.41 |
Price per Window by Style
| Style (vinyl) | Installed, per window | Estimate |
|---|---|---|
| Double-hung | $469.26 to $793.28 | $558.64 |
| Sliding (2-lite) | $739.96 to $1,250.88 | $880.90 |
| Bay or bow | $2,712.64 to $4,585.65 | $3,229.33 |
Build Your Order: Upgrades for 10 Windows
Options change the total too. Added cost (or savings) for this 10-window order:
What Montana Weather Asks of a Window
Long heating seasons make the glass package the priority. Keep the Low-E and argon, look for a low U-factor on the label, and check that the frame seals tightly against cold air.
Climate regions run from 1 (cool) to 5 (hot); Montana sits in region 1.
In a cold climate, compare bids by U-factor (lower is better) as well as by price. Triple-pane glass is an option for the coldest walls; ask for it as a separate line so you can see what it adds.
After a hail storm, installers in Montana get booked up and bids tend to rise. If your windows came through fine, collecting quotes in a quiet month usually gets a firmer price.
Homes near wildland edges benefit from tempered dual-pane glass and frames that resist embers. If your county requires it, the upgrade belongs on every quote you compare.
Book early for spring: factory lead times and busy calendars stack up once the snow melts. A winter install is possible and often comes with a shorter wait.
Getting a Fair Window Quote in Montana
A window estimate is only as good as what it includes. Check each of these:
- Measure. Windows are made to order; the quote should include a site measure by the installer, not your numbers.
- Warranty. Ask who stands behind the glass seal and the labor, and for how long.
- Disposal and permits. Hauling the old units and any permit fees should be listed, not assumed.
Window Prices in Montana Cities
Big metros and small towns do not price windows the same way. Here are the same 10 vinyl double-hungs across the largest cities in Montana:
10 vinyl windows, installed
- Billingspop. 120,000$4,770 – $8,050
- Missoulapop. 77,000$4,740 – $8,000
- Great Fallspop. 60,000$4,720 – $7,980
- Bozemanpop. 56,000$4,720 – $7,970
These rows differ from the state estimate only by a city-size factor of a few percent; follow a link for the full local breakdown.
Window Replacement Questions
How much does one replacement window cost in Montana?
For vinyl double-hung windows, $469.26 to $793.28 each is typical in Montana. A bay or bow window is a different project at about $3,229.33.
Is fiberglass worth the extra cost over vinyl?
Only if vinyl ($4,700 to $7,940) cannot do what you need. Aluminum ($7,760 to $13,120) gives thin sightlines, fiberglass ($8,070 to $13,640) handles dark colors, and wood ($7,450 to $12,600) suits older homes.
How long will installers be in my house?
A two-person crew usually replaces 10 insert windows in one to two days. Ordering takes longer: custom sizes often need several weeks.
These are modeled prices, not quotes. They follow our windows calculator with local cost adjustments for Montana; real bids vary with window size, product line and how much trim work the job needs.
