Storm Windows Cost (2026)
Secondary windows added over existing ones to boost efficiency without a full replacement. Storm windows are a low-cost way to cut drafts and noise, popular for older or historic homes where replacing the originals isn't desirable.
Storm Windows cost estimate
| Item | Estimated range |
|---|---|
| Typical 10-window home | $1,500 – $5,000 |
| Per window installed | $200 – $400 |
Ranges are national estimates. Use the calculator for a figure adjusted to your project and city.
What drives the price
- Interior vs exterior mount
- Number of windows
- Frame quality
- Low-E glass option
Pros
- Cheap efficiency upgrade
- Keeps the original windows
- Cuts drafts and noise
Cons
- Less effective than new windows
- Extra surface to clean
- Not a long-term fix
Typical lifespan: 10–20 years
What the price usually includes
- Removal and disposal of old windows
- New windows and frames
- Insulation and flashing around each opening
- Interior and exterior trim
- Caulking and weather-sealing
- Haul-away and cleanup
- Manufacturer and labor warranties
How to save
- Replace all windows at once for a per-unit discount
- Choose vinyl for the best value
- Look for ENERGY STAR rebates and federal efficiency tax credits
- Use insert (pocket) replacement where the existing frames are sound
- Get three itemized bids
- Schedule in the off-season
Estimate your window replacement cost
Enter your window count and city for a range specific to you.
Frequently asked questions
How much does storm windows cost?
A typical 10-window home runs about $1,500 to $5,000 installed, depending on size, your home and local labor rates.
How long does storm windows last?
About 10–20 years with proper installation and maintenance.