Window Replacement Overview
Replacing windows improves energy efficiency, comfort, noise reduction, and curb appeal. It's one of the most requested home improvements with solid ROI.
Quick Facts:- Cost per window: $300-$1,500 (installed)
- Full home (15-20 windows): $7,500-$22,000
- ROI: 68-76%
- Energy savings: 10-25% on heating/cooling
- Lifespan: 15-30 years
Signs You Need New Windows
- Drafts near windows
- High energy bills
- Condensation between panes
- Difficulty opening/closing
- Visible damage or rot
- Single-pane glass
- Windows over 20 years old
Window Types & Costs
Cost by Frame Material
| Material | Per Window | Pros | Cons |
|---|---|---|---|
| Vinyl | $300-$800 | Affordable, low maintenance | Limited colors |
| Wood | $800-$1,500 | Classic look, paintable | Maintenance needed |
| Fiberglass | $600-$1,200 | Durable, efficient | Higher cost |
| Aluminum | $400-$900 | Strong, slim profile | Poor insulation |
| Composite | $500-$1,000 | Best of wood & vinyl | Newer option |
Cost by Window Style
| Style | Cost | Best For |
|---|---|---|
| Double-hung | $300-$800 | Most rooms |
| Casement | $400-$1,000 | Good ventilation |
| Picture | $250-$700 | Views, no ventilation |
| Sliding | $300-$700 | Wide openings |
| Bay/Bow | $1,500-$4,500 | Feature windows |
| Egress | $800-$2,500 | Basement bedrooms |
Glass Options
- Double-pane: Standard, good efficiency
- Triple-pane: Best efficiency, higher cost (+$100-$200)
- Low-E coating: Reflects heat, included in quality windows
- Argon gas fill: Better insulation, standard in good windows
Energy Savings Calculator
Typical Energy Savings
Replacing single-pane with Energy Star windows:
- Heating savings: 15-25%
- Cooling savings: 10-20%
- Annual savings: $200-$600 typical home
Payback Example
15 Windows Replacement:- Cost: $10,000
- Annual energy savings: $400
- Payback period: 25 years
- Resale value add: $6,500-$7,500
- Comfort improvement (priceless)
- Noise reduction
- UV protection for furnishings
Maximize Energy Savings
- Choose Energy Star certified
- Get proper installation (bad install = no savings)
- Consider triple-pane in extreme climates
- Low-E coating is worth it
- Proper sealing and insulation around frames
Replacement vs. New Construction
Replacement Windows (Insert)
What it is: New window fits into existing frame Cost: $300-$800 per window Pros: Faster, less mess, lower cost Cons: Slightly smaller glass area Best for: Intact frames, budget-consciousFull-Frame Replacement
What it is: Remove everything to studs, install new Cost: $600-$1,500 per window Pros: Fixes underlying issues, no size loss Cons: More expensive, more disruption Best for: Damaged frames, rot issues, full remodelInstallation Quality Matters
Poor installation can:- Cause drafts (negating efficiency)
- Allow water infiltration
- Void warranty
- Reduce lifespan
- Use licensed installers
- Get written warranty
- Check references
- Verify proper flashing and sealing
Buying Guide
Window Buying Checklist
- [ ] Count windows and measure sizes
- [ ] Check frame condition (rot? damage?)
- [ ] Decide: replacement insert vs. full-frame
- [ ] Choose frame material
- [ ] Specify Energy Star rated
- [ ] Get 3+ quotes
- [ ] Ask about warranties
Best Value Strategy
For most homeowners, vinyl double-pane windows with Low-E coating offer the best balance of:- Affordable price
- Good energy efficiency
- Low maintenance
- Solid ROI
Use Our Calculators
Related Guides
- HVAC Guide (related to energy efficiency)
- Costs by State