A&T Contractors Group replaces old windows in homes across Marietta, Atlanta, Alpharetta, and nearby Georgia communities. Our window replacement service includes removing existing window units and installing new ones, from measurements to final sealing. Homeowners can request a free in-home estimate or fill out our online form to get a free estimate remotely.
Proudly serving Marietta, GA & 50-mile radius
Window replacement & installation
Replacement & Installation in 1–10 Days
High-Quality Installation. Honest Pricing.
Local & Family-Owned Service
- Priority
scheduling - 1–10 day
turnaround - Volume
discounts - Dedicated project
manager
*Final price depends on project size and materials
Get your free
in-home estimate
New windows from just $429
- No spam
- No pressure
- Free consultation
WHY PROFESSIONALS CHOOSE A&T
-
1–10 Days
Average replacement timeline
-
500+
Projects completed annually
-
Dedicated crew
No subcontractor delays
-
Volume discounts
Available for repeat clients
Areas we serve
We provide window replacement and window installation within a 50-mile radius of Marietta, Georgia, including:
- Marietta
- Atlanta
- Alpharetta
- Roswell
- Cumming
- Sandy Springs
- Johns Creek
- Milton
- Woodstock
- Acworth
- Canton
- Other communities in the greater Atlanta area
Looking for window replacement near me or a window installer near you? Contact A&T Contractors Group or submit our online form to request a free estimate.
Window installation in just 1 day
Watch our step-by-step process and see how we deliver perfect results — fast and clean.
- Professional Team
- Fast Installation
- Clean & Careful Work
- 100% Satisfaction
Why homeowners choose us
-
Same Quality as
National BrandsPremium materials
from top brands -
Honest,
Transparent PricingNo hidden fees.
No sales pressure -
One-Day
InstallationFast, efficient,
on time -
Lifetime
WarrantyWorry-free
protection -
Energy
EfficientLower bills.
More comfort -
Removal &
Installation IncludedComplete
service included
Our services
-

Window
ReplacementUpgrade your home with high-quality, energy-efficient windows
-

Sliding Doors
InstallationDurable, smooth, modern
-

New Construction
Windows & DoorsPerfect for new builds
When to Replace Your Windows
Drafts, damaged frames, condensation between panes, and windows that no longer open or close properly are common reasons to replace old windows. In some cases, the entire unit needs replacing rather than just the glass.
A&T Contractors Group handles full window replacement, including removal of the old units, preparation of the openings, and installation of new windows. Proper fitting and sealing help reduce air leaks and moisture infiltration.
We install several window styles for homes:
- Double-hung windows — Both sashes move vertically, allowing ventilation from the top or bottom.
- Casement windows — Hinged at the side and opened outward.
- Sliding windows — Open horizontally and work well where there is limited space outside.
- Picture windows — Fixed windows that let in natural light and provide an unobstructed view.
- Bay and bow windows — Extend beyond the exterior wall and add depth to the room.
Real results.
Real homes.
Get your free in-home estimate
New windows from just $429
- No obligation
- Transparent pricing
- Expert recommendations
- No spam
- No pressure
- Free consultation
Our simple 3-step process
-
1
Request Free Estimate
Fill out the form
or call us -
2
We Measure & Quote
We visit your home
and provide a quote -
3
We Install
Professional installation
in 1–2 days
How our window installation works
Every window replacement project starts with measurements of the existing openings. After reviewing the project requirements, we provide an estimate and arrange the installation.
- Measurements and estimate: We measure the openings and discuss the project cost.
- Removal: We take out the old window units and prepare the openings.
- Window installation: We position and secure the new windows, then insulate and seal them as required.
- Final check and cleanup: We check that the windows operate properly and clear away installation debris.
Some jobs take one day. Replacing 10–15 windows in a standard home typically takes 1–2 days, depending on the condition of the openings and the amount of work involved.
Limited-time offer
New windows from just
$429
This month only for Alpharetta homeowners
Claim my discountOnly a Few Slots Available This Week

Get a free window replacement estimate
A&T Contractors Group provides window replacement services in Marietta, Atlanta, Alpharetta, and surrounding communities within 50 miles of Marietta.
Need to replace a few windows or the windows throughout your home? Request a free in-home estimate or fill out our online form to get a free estimate remotely. We’ll review your project details and provide information about the expected cost of replacement windows and installation.
FAQ
How long does window replacement take?
Most projects are completed in a single day. A standard home with 10–15 windows typically takes 1–2 days from start to finish. We remove the old units, install the new windows, insulate and seal every opening, and clean up before we leave — all in one visit.
How much does window replacement cost in Atlanta?
The cost depends on the number of windows, the size of each opening, and the glass package you choose. We provide a free in-home estimate with a precise, final price — no ballparks, no hidden fees. What we quote is what you pay.
What warranty do you offer?
We provide a lifetime warranty covering both materials and labor. If anything goes wrong with the window or the installation, we come back and fix it at no charge. The windows we install also carry a manufacturer warranty on the frame and glass unit — transferable to the next owner if you sell your home.
Do I need to be home during installation?
Yes, we ask that an adult homeowner or authorized representative be present during the installation. This lets us walk you through the finished work, address any questions on the spot, and hand over warranty documentation directly.
What areas do you serve?
We serve Alpharetta and a 50-mile radius — including Roswell, Cumming, Sandy Springs, Johns Creek, Milton, Marietta, Woodstock, and surrounding communities across the greater Atlanta area.
Will new windows actually lower my energy bills?
Yes — significantly. Our double-pane Low-E windows with argon fill are engineered to block solar heat gain in Atlanta's hot summers and retain warmth in winter. Our customers consistently report 20–30% reductions in monthly heating and cooling costs after a full window replacement.
How do I get started?
Call us at 470-622-4895 or fill out the form on our website. We'll schedule a free in-home estimate at a time that works for you — usually within the same week. There's no obligation and no sales pressure.

without overpaying
- Premium quality
- Affordable price
- Fast installation
Takes Less Than 30 Seconds


