How much does a storm window cost?
Storm window installation runs $125 for a basic aluminum 2-track storm, $265 for a typical 3-track Low-E storm window, and $550+ for custom interior storm panels or historic-replication exterior storms.
Quick price points (2026)
| Scope | Cost | What it includes |
|---|---|---|
| Low | $125 | per storm window |
| Typical | $265 | per storm window |
| High | $550 | per storm window |
How to budget for this project
- Get 3 quotes
Get itemized quotes from at least three licensed contractors in your area.
- Adjust for your region
Compare the same scope and account for regional labor and permitting.
- Add 10–15% contingency
Hidden conditions, code upgrades and permit fees can increase the original quote.
- Plan the cash, not the financing
Build the replacement cost into the home's repair plan before the work becomes an emergency.