Replace old, drafty windows with energy-efficient units that cut your bills and refresh your home — installed right the first time.
If your windows are foggy, drafty, hard to open, or driving up your energy bills, replacement is usually smarter than another repair. At AG Window Service, we replace windows across Garland and the wider Dallas–Fort Worth metro with energy-efficient, low-maintenance units built for the Texas climate.
We handle everything — accurate measuring, removal, installation, and clean-up — and most standard replacements are finished in 1–2 days. Need a specific style? See our window installation services or explore double-hung, casement, and sliding options.
Frame materials: vinyl · fiberglass · wood & wood-clad · aluminum
Also installed: custom windows · soundproof windows · double pane replacement · patio & sliding glass doors · garden windows · egress windows · commercial replacement
No high-pressure sales — just honest recommendations, fair pricing, and craftsmanship that lasts.
Energy-efficient, Low-E glass keeps Texas heat out and conditioned air in — save up to 30%.
Most full-home replacements wrap in 1–2 days with a tidy, respectful job site.
Every replacement is covered by manufacturer warranties plus our workmanship guarantee.
Spread the cost with low monthly payment options — ask about plans during your free estimate.
We measure every opening so your new windows seal tight — no drafts, no leaks.
Fresh, modern windows instantly lift your home’s look and resale value.
Insert (pocket) replacement fits a new window into your existing, sound frame — faster and more affordable. Full-frame replacement removes the entire frame down to the studs, ideal when there’s rot, water damage, or you’re changing the window size or style. During your free estimate we’ll recommend the right approach honestly — never the most expensive one. Not sure whether yours need replacing? Read repair or replace.
Enhance your home’s energy efficiency, security, and style with expert window solutions. From new installations to full replacements, we’ve got you covered
Reach out to us for a no-obligation quote tailored to your needs. Our team will assess your requirements and provide a transparent pricing estimate—no hidden fees, just honest service.
Once you’re ready, pick a date that works best for you. We’ll coordinate everything to ensure a smooth and hassle-free experience, minimizing disruptions to your home or business.
Our experienced professionals handle everything with precision and care. From removal to installation, we ensure a clean, efficient process so you can enjoy your new windows without any stress!
Get a free, no-pressure in-home estimate. Most quotes back within 24 hours.
Most replacements run roughly $400–$1,000 per window installed, depending on size, frame material, and glass package. We give an exact, itemized quote after a free in-home measurement — no surprises.
Most standard whole-home replacements are completed in 1–2 days. A single window is often done in a few hours.
Yes. You may qualify for low monthly payment plans — just ask during your free estimate.
If the frame is sound and the issue is minor, repair may be enough. If windows are foggy from seal failure, rotting, or raising your energy bills, replacement usually pays off. We’ll give you an honest recommendation.
Before you go
Tell us where to reach you and we will apply it to your free estimate.
Or call (469) 430-2943Valid on full window replacements only — not repairs. New customers only. Cannot be combined with other offers.