Window Replacement Calculator

Calculate the cost of replacing windows in your home. Get estimates for materials, installation, and potential energy savings.

Window Details

Frame Material

Glass Options

Installation Options

Window Facts

Avg Window Lifespan
15-30 years
Depends on material
Energy Savings
10-25%
On heating/cooling bills
ROI at Sale
68-73%
Of replacement cost
Best Time to Replace
Spring/Fall
Mild weather preferred

Cost Estimate

Calculated
Total Project Cost
$0
Materials + Installation
Cost Per Window
$0
Average each
Windows
0
windows

Cost Breakdown

Project Details

Estimated Energy Savings

Annual Savings
$0
Payback Period
0 yrs
20-Year Savings
$0

Pro Tip

Get at least 3 quotes from licensed contractors. Ask about manufacturer warranties (often 20+ years) and workmanship guarantees. Spring and fall installations are ideal for minimal temperature disruption.

How Much Does Window Replacement Cost?

Window replacement costs vary widely based on the type of window, frame material, glass options, and installation complexity. On average, homeowners spend between $300 to $1,500 per window installed, with most projects falling in the $450-$800 range for standard vinyl double-hung windows.

Window Frame Material Comparison

Material Cost Range Lifespan Maintenance Energy Efficiency
Vinyl $250-$650 20-40 years Very Low Good
Wood $400-$1,200 30+ years High Excellent
Aluminum $200-$600 20-25 years Low Poor
Fiberglass $500-$1,500 40+ years Very Low Excellent
Wood-Clad $600-$1,500 30+ years Medium Excellent

Window Style Price Factors

  • Single-Hung: Most affordable option, only bottom sash opens ($200-$500)
  • Double-Hung: Both sashes open, easier to clean ($250-$700)
  • Casement: Crank-operated, excellent ventilation ($300-$900)
  • Sliding: Horizontal operation, good for wide openings ($300-$800)
  • Picture/Fixed: Non-opening, maximum light, most affordable ($150-$600)
  • Bay Window: Projects outward, creates space ($1,500-$4,000)
  • Bow Window: Curved design, premium option ($2,000-$5,000)

Energy Efficiency Considerations

Upgrading to energy-efficient windows can reduce heating and cooling costs by 10-25%. Look for these features:

  • Low-E Coating: Reflects heat while allowing light through (+$25-$50 per window)
  • Argon/Krypton Gas Fill: Better insulation between panes (+$30-$60 per window)
  • Triple-Pane Glass: Maximum insulation for extreme climates (+$100-$200 per window)
  • ENERGY STAR Certified: Meets EPA guidelines for energy efficiency

Installation Cost Factors

  • Replacement (Pocket) Install: $150-$300 per window - fits into existing frame
  • Full-Frame Install: $300-$700 per window - removes entire frame, more extensive
  • Second/Third Floor: Add 15-25% for additional labor and equipment
  • Trim Work: $50-$150 per window for interior finishing
  • Permits: Some areas require permits for window replacement ($50-$300)

Signs You Need New Windows

  • Drafts or cold spots near windows
  • Difficulty opening, closing, or locking
  • Condensation between glass panes
  • Visible damage, rot, or decay
  • High energy bills despite HVAC efficiency
  • Excessive outside noise
  • Fading furniture or floors from UV exposure