Create professional window installation estimates and invoices for replacement and new construction windows in under 2 minutes.
Create a Window Installer estimate in 2 minutes — here's how:
Built for window installers — estimate replacement and new construction window jobs in minutes.
Create Free Estimate →Here's what a typical Window Installer estimate or invoice looks like — complete with itemized labor, materials, subtotal, tax, and total.
| Description | Qty | Unit Price | Total |
|---|---|---|---|
| Install replacement window (double hung) | 5 | $450.00 | $2250.00 |
| Install new construction window (casement) | 3 | $600.00 | $1800.00 |
| Install sliding glass door | 1 | $1200.00 | $1200.00 |
| Replace window trim (per opening) | 8 | $85.00 | $680.00 |
| Subtotal | $5930.00 | ||
| Tax (8%) | $474.40 | ||
| Total | $6404.40 | ||
Window installers pay tax on materials (windows, caulk, flashing, trim) while installation labor is often tax-exempt. Some jurisdictions offer tax credits or exemptions for energy-efficient windows — be sure to note eligibility on the estimate. Old window removal and disposal fees vary. EstimatePro's per-item taxable checkbox handles individual line items. Window replacements pair naturally with siding work — use our free siding contractor estimate template for exterior cladding quotes. Enter your local rate and the totals calculate instantly.
How much does window installation cost?
Replacement window installation averages $300-$800 per window including materials and labor. New construction windows run $400-$1,200 depending on size and type.
How long does window replacement take?
Most residential window replacements take 30-60 minutes per window. A full home of 10-15 windows typically takes 2-3 days.
Are energy-efficient windows worth it?
Energy Star-rated windows can reduce energy bills by 7-15 percent. Some states offer tax credits or rebates for energy-efficient window upgrades.
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