Only Windows Built This Well Could Be Backed by a Warranty This Good


What does a warranty say about the windows and doors it covers? A great deal. At Simonton, we stand behind our windows and doors with industry-leading warranty coverage, for your absolute peace of mind.  Custom-made innovative designs, Simonton built windows and doors are AAMA Gold Certified and manufactured to the highest standards in the industry. Our stringent quality control system ensures that every Simonton window and door exceeds your expectations and delivers a lifetime of quality performance.


Double-Lifetime Limited Warranty – Replacement

Simonton vinyl replacement windows and doors have a Double-Lifetime Limited Warranty that covers vinyl, hardware, screens and insulating glass units. “Double-Lifetime” means the Lifetime Limited Warranty is also transferable to the next homeowner that extends the value of your windows.

Lifetime Limited Warranty – New Construction

Simonton’s new construction windows and doors feature a Lifetime Limited Warranty on vinyl and 20-year Limited Warranty on hardware, screens and insulating glass units. This warranty is transferrable from the original owner to the next homeowner until the 20thanniversary of the original purchase date.

Increased Peace of Mind

From the vinyl and hardware to the screens, glass units and unique options, every feature of your Simonton window and door is covered.




The premium, first-generation vinyl used to construct Simonton windows and patio doors is warranted against peeling, flaking, chipping, blistering and corrosion.



Product hardware is warranted against peeling, flaking, rusting, blistering, corrosion and breaking during the warranty period.



The screen frame is warranted to homeowners against peeling, flaking, blistering and corrosion for the warranty period.


Insulating Glass Units

The insulating glass unit is warranted against seal failure for the life of the window and door (Lifetime, prorated 20-years to Lifetime or 20-years to 50-years) on select replacement series and 20-years on new construction series.


Homeowner Support

Simonton has built a reputation for excellent customer support. Our dedicated, in-house customer service and warranty teams offer knowledgeable assistance before, during and after your Simonton window and door purchase. has online tools including product information, warranty downloads, product care and easy to follow how-to-videos for 24/7 homeowner assistance.

Leading The Industry

Simonton Windows & Doors is proud to be part of the Cornerstone Building Brands Family—North America’s #1 Window Manufacturer. As a trusted leader of exterior building products, with an expansive national footprint, Cornerstone Building Brands is dedicated to efficiently and effectively meeting the needs of customers and communities.

*Source: Residential Windows Recognized as ENERGY STAR Most Efficient 2020 Listing Dated 7/24/20.

What People Are Saying About Simonton

“We love the windows and love the warranty.”

California Homeowner

“Great windows and even greater warranty.”

Virginia Homeowner

“Transferrable lifetime warranty is a big plus.”

Georgia Homeowner

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