Quick Answer
Lowe's charges $300–$1,200 per window installed in 2026, depending on window type — with installation labor at $99–$399 per window. Real 2026 homeowner quotes: ~$11,000 for a full-house United 7400 project and ~$14,080 for Pella 250. Lowe's will install even a single window.
Lowe's Window Installation Cost by Type
| Window Type | Installed Cost per Window |
|---|---|
| Single-pane vinyl | $300 – $500 |
| Double-pane vinyl | $500 – $800 |
| Triple-pane vinyl | $800 – $1,200 |
| Bay window | $1,000 – $2,500 |
| Skylight | $500 – $1,000 |
Brands Lowe's Installs
| Brand | Tier | Notes |
|---|---|---|
| ReliaBilt (Lowe's exclusive) | Budget | Best for rentals and tight budgets |
| JELD-WEN | Mid-range | Solid all-rounder, wide selection |
| Pella | Premium | Top quality; Pella 250 full-house ~$14,000 |
Considering Pella? See our Pella window cost calculator for series-by-series pricing before you visit the store.
Lowe's vs. Home Depot
- Warranty: Lowe's 5-year transferable labor warranty beats Home Depot's 1-year.
- Single windows: Lowe's installs just one window; many contractors won't.
- Promotions: Lowe's runs 10% off multi-window installs and $100-off deals regularly.
- Same caveat: both use third-party installers — quality varies by region.
Full comparison: read how much Home Depot charges to install new windows. For labor-only numbers, use our window installation cost calculator.