Who to Hire for Window Installation

Find the right pro to install, seal, and protect your new windows

Large kitchen with lots of windows
ollikainen / iStock Photography / Getty Images
Large kitchen with lots of windows
ollikainen / iStock Photography / Getty Images
Highlights

  • Hire a dedicated window installer or a window company for precise measurements, safe removal, and airtight installation.

  • Most projects cost $3,440 to $11,840, with an average of $7,360.

  • Expect $300 to $2,500 per window, depending on size, material, brand, number of panes, window count, and labor.

  • Professional installation protects warranties, improves energy efficiency, and saves time through coordinated, efficient work.

Get quotes from up to 3 pros!
Enter a zip below and get matched to top-rated pros near you.
Geo Icon

This article was created using automation technology and thoroughly fact-checked and edited by an Angi Editor in accordance with our AI policy.

Wondering who to hire for window installation? Most homeowners choose specialized window installers or window companies trained to measure, fit, and seal to manufacturer specifications. These insured teams follow established processes. Expect four to 15 weeks from consultation to delivery, with 30 to 60 minutes per window on install day.

Why You Should Hire a Pro for Window Installation

Hiring a professional window installer ensures accurate measurements, safe removal, and a tight, weatherproof fit. Pros finish efficiently without sacrificing quality and handle surprises on the spot. Their training, insurance, and relationships with trusted suppliers protect your home and keep warranties intact—improper installation leads to drafts, leaks, and voided coverage. They also apply the appropriate sealants and insulation to ensure long-term performance. That combination improves energy efficiency and protects finishes around each opening.

  • Specialized measurement and fitting that deliver a precise, square, and level installation

  • Safety-first practices, equipment, and handling of heavy glass and frames

  • Insurance coverage and labor warranties that protect your home and investment

  • Installation meets manufacturer specifications to keep warranties valid

  • Faster, more efficient work that saves you time and rework

  • Access to trusted suppliers and quality materials at favorable prices

  • Correct sealing and insulation to prevent drafts and leaks

  • Final walkthrough, cleanup, and haul-away of old windows

Should I Hire a General Contractor for Window Installation?

A general contractor is appropriate when window work is part of a broader remodeling project, when structural changes are required, or when original aluminum units are embedded in walls. They coordinate trades, permits, and full-scope renovations under one contract. Dedicated window installers near you bring specialized techniques, faster turnaround, and product‑plus‑installation warranties that many general contractors do not provide. Choose based on project complexity and whether you need wider renovation management.

Step-by-Step: How Pros Install Windows

Here’s how professional window installers handle a standard replacement from start to finish:

  1. The crew walks through your home and confirms details.

  2. Technicians measure each opening multiple times for an exact fit.

  3. Installers protect floors and furniture with tarps and pads.

  4. They remove the old window and clear debris from openings.

  5. The new unit is shimmed square and secured with screws.

  6. Expanding foam and sealants insulate and weatherproof the perimeter.

  7. The crew cleans up, hauls away old windows, and reviews.

How Much Does Window Installation Cost?

Your window installation cost depends on size, material, panes, brand, number of windows, and labor. The average project costs $7,360, with most homeowners spending $3,440 to $11,840. Expect $300 to $2,500 per window for materials and installation. Labor ranges $50 to $65 per hour or $100 to $300 per window, with complex installations costing more. Larger scopes, premium brands, and multi‑pane units raise totals, while straightforward replacements in existing openings land on the lower end.

Need professional help with your project?
Get quotes from top-rated pros.

The homeowners guide to window services

From average costs to expert advice, get all the answers you need to get your job done.