Nashville’s Window Installation Experts

Window Installation Nashville, TN

Upgrade your home’s comfort, safety, and energy efficiency with professionally installed windows by DEM Windows & Doors

GET EXPERT HELP TODAY!

Professional Window Installation in Nashville, TN

New windows can completely transform your home—making it more energy efficient, comfortable, and beautiful. At DEM Windows & Doors, we provide top-quality window installation services tailored to your style and budget.

Serving Nashville homeowners, our team ensures every window is perfectly measured, installed, and sealed for lasting performance.

Window Replacement Cost in Nashville, TN

Most window companies in Nashville will not put a number on a page. We will. These are real starting prices per window installed, based on standard sizes, so you can budget before anyone knocks on your door. The final number depends on your opening size, frame condition, glass package and how many units you are doing, which is why every job starts with a free measurement and a written estimate. Not sure you need replacement at all? Start with our window and door repair in Nashville page first, because a failed seal or a broken balance is a much cheaper fix.

Most affordable

Basic

Simonton Windows

Starting at

$850

per window, installed. Standard sizes.

For rental properties, full-house projects on a set budget, and homeowners replacing failing single pane units.

Vinyl frame, double pane insulated glass
Professional installation by our own crews
Free measurement and written estimate
Financing available

Get My Free Estimate

Most chosen in Nashville

Better

Wincore Windows

Starting at

$1,050

per window, installed. Standard sizes.

The balance most Middle Tennessee homeowners land on: a real step up in performance without the premium price.

Upgraded vinyl frame and hardware
Low-E glass package for our mixed climate
Professional installation by our own crews
Free measurement and written estimate
Financing available

Get My Free Estimate

Highest performance

Best

Andersen Windows

Starting at

$1,350

per window, installed. Standard sizes.

For homeowners staying long term, planning to sell, or replacing windows on a home where the look matters as much as the numbers.

Premium frame materials and finishes
High performance glass package
Professional installation by our own crews
Free measurement and written estimate
Financing available

Get My Free Estimate

How these prices work. Every price above is a starting price for one window installed in a standard size opening. Your final number depends on opening size, frame and sill condition, glass package, grid pattern and total unit count, and larger projects usually bring the per window price down. We measure, put it in writing, and the estimate is free either way. Call (615) 496-0103 or ask about 100% financing to spread the project out.

Types of Windows We Install

Double-hung windows  
Sliding windows  
Casement and awning windows  
Bay and bow windows  
Picture windows  
Energy-efficient and custom solutions

Benefits of New Windows:

Lower energy bills with modern insulation  
Improved security with advanced locking systems  
More natural light and better views  
Noise reduction for a quieter home  
Increased property value and curb appeal

Our Installation Process

Consultation and In-Home Estimate

We'll visit your property to discuss your project and provide a free, no-obligation estimate.

Professional Measurement

Our team takes precise measurements to ensure a perfect fit for every window.

Removal of Old Units

We carefully remove your existing windows or doors with minimal disruption to your home.

Expert Installation

Skilled technicians install your new units with precision and industry-leading craftsmanship.

Finishing Touches & Clean-Up

We handle final detailing and leave your space spotless — ready to enjoy right away.

Ready to Get Started?

Upgrade your windows and doors today with a trusted Nashville team.
Contact us for a free estimate and discover why homeowners rely on DEM.

Frequently Asked Questions
About Window Installation

How do I know if it’s time to replace my windows?

If you notice drafts, rising energy bills, condensation between panes, or difficulty opening and closing your windows, it may be time for a replacement. New windows not only improve comfort but can also enhance your home’s energy efficiency and curb appeal.

Do you offer energy-efficient options?

Most projects are completed in 1–2 days depending on the number of windows.