How Often Should You Replace Windows?
Windows last 20–30 years. Replace when you notice drafts, condensation between panes, difficulty opening, or visible rot. Energy savings from new windows can offset costs over 10–15 years.
Cost Breakdown
| Service | Low | High | Notes |
|---|---|---|---|
| Double-pane window | $300 | $700 | — |
| Triple-pane window | $500 | $1,000 | — |
| Bay/bow window | $1,000 | $3,000 | — |
| Sliding glass door | $600 | $1,500 | — |
| Window repair (per window) | $100 | $350 | — |
How Often Should You Replace Windows?
Windows last 20–30 years. Replace when you notice drafts, condensation between panes, difficulty opening, or visible rot. Energy savings from new windows can offset costs over 10–15 years.
Related Questions
How do I find a good window installation professional?
Check reviews, verify licensing and insurance, get 2-3 quotes, and ask for references from recent projects.
Do I need a permit for window installation?
It depends on the scope. Most cosmetic work doesn't need permits, but structural, electrical, and plumbing changes typically do. Your contractor should know local requirements.
How can I save money on window installation?
Get multiple quotes, schedule during off-peak seasons, bundle multiple projects, and ask about payment discounts.