Install Multiple Windows Cost in Merrimack, NH in 2026
Most Install Multiple Windows projects in Merrimack, NH cost between $4,600 and $18,500. The typical price is $8,500.
Per-window pricing falls as the count rises — most installers price a whole-home job below their single-window rate.
Labour and materials in Merrimack run about 3% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Vinyl, fibreglass or wood-clad frames
- Double versus triple glazing and low-E coatings
- Full-frame replacement versus insert into the existing frame
- Custom sizes, bays, bows and arched tops
Usually included
- Windows, frames and hardware
- Removal and disposal of the old units
- Installation, insulation and interior trim
- Exterior caulking and capping
Usually extra
- Rotten sill or framing repair found on removal
- Interior painting
- Permits where required
Unit prices in Merrimack, NH
| Quality tier | Cost each |
|---|---|
| Budget | $460 |
| Mid-range | $865 |
| High-end | $1,850 |
Window replacement companies in Merrimack, NH
Businesses listed on Google near Merrimack, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Universal Windows Direct of Manchester
4.9(330 reviews)
880 Candia Rd, Manchester, NH 03109
Prima Glass, LLC
4.9(262 reviews)
1514 Columbia Cir, Merrimack, NH 03054
Window World of New Hampshire
4.6(167 reviews)
735 E Industrial Park Dr Unit A, Manchester, NH 03109
Pella Windows and Doors Showroom of Bedford, NH
4.7(145 reviews)
384 State Rte 101 Unit 2, Bedford, NH 03110
Affordable Vinyl Windows & Siding Inc
4.9(106 reviews)
320 Rockingham Rd Ste 5, Auburn, NH 03032
Coastal Windows & Exteriors
4.9(78 reviews)
288 State Rte 101, Bedford, NH 03110