Project Cost
$500
Windows
1
Total Area
12.0 sq ft
| Type | Qty | Area | Unit Cost | Total |
|---|---|---|---|---|
| Double Hung | 1 | 12.0 sq ft | $350 | $350 |
Inputs
Result
Per window = $350 × 1.2 (Low-E) × 1.0 (vinyl) = $420. Materials = 10 × $420 = $4,200. Install = 10 × $150 = $1,500. Total = $5,700.
Inputs
Result
Bay = $1,200 × 1.5 × 1.4 = $2,520. Casement = $400 × 1.5 × 1.4 = $840 each × 4 = $3,360. Materials = $5,880. Install = 5 × $150 = $750. Total = $6,630.
Window replacement costs $300-1,500 per window including installation. Double hung vinyl: $300-500, casement: $400-700, bay windows: $1,200-3,000. Factors include window type, glazing, frame material, and local labor rates.
| Window Type | Material Cost | Install Cost | Total Installed |
|---|---|---|---|
| Double Hung | $200–$350 | $100–$200 | $300–$550 |
| Casement | $275–$500 | $125–$200 | $400–$700 |
| Sliding | $200–$400 | $100–$175 | $300–$575 |
| Picture | $150–$400 | $100–$250 | $250–$650 |
| Bay/Bow | $800–$2,000 | $400–$1,000 | $1,200–$3,000 |
Triple pane windows cost 25-50% more than double pane but reduce energy loss by 20-30%. They pay for themselves in 7-15 years through energy savings. Most worthwhile in extreme climates (very hot or very cold regions).
| Feature | Single Pane | Double Pane | Triple Pane |
|---|---|---|---|
| U-Factor | 1.0–1.2 | 0.25–0.30 | 0.15–0.20 |
| Cost per Window | $100–$200 | $300–$500 | $450–$750 |
| Energy Savings | Baseline | 25–40% better | 45–60% better |
| Sound Blocking (STC) | 18–22 | 26–32 | 34–38 |
| Weight | Light | Moderate | 50% heavier |
Vinyl is the most popular for cost-effectiveness ($250-600/window). Fiberglass is strongest and most durable ($400-1,000). Wood offers classic aesthetics ($350-800). Aluminum is cheapest but conducts heat ($200-500).
| Frame Material | Cost/Window | Lifespan | Maintenance |
|---|---|---|---|
| Vinyl | $250–$600 | 20–40 years | Very low |
| Fiberglass | $400–$1,000 | 40–50 years | Low |
| Wood | $350–$800 | 30+ years | High (repaint every 3–5yr) |
| Aluminum | $200–$500 | 20–30 years | Low |
| Composite | $500–$1,200 | 30–40 years | Low |
An average home has 10-20 windows. Small homes (1,000 sq ft): 8-12 windows, medium (2,000 sq ft): 12-16 windows, large (3,000+ sq ft): 16-25 windows. Budget $5,000-15,000 for a whole-house replacement project.
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Last Updated: Mar 9, 2026
This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.