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High-Performance Windows

Scientific Ratings Set High-Performance Windows Apart How do you know you have chosen an eco-friendly window? Start with basic window science and you will learn eco-friendly windows are high-performance windows....

Which is Better: Builder Grade or Custom Windows?

Builder-grade windows are an expensive, cost-cutting mistake for new homes. Custom windows will save you money on heating and cooling bills now and avoid replacing windows in the future. What...

The Window Source Gives Back

The Window Source gives back to the community in partnership with Rebuilding Together to empower Senior Citizens, Veterans & Low-Income Homeowners. The Window Source gives back to the community by...

How Long Has The Window Source Been in Business?

The Window Source Is an Industry Leader! From the age of 15, our founder, Keith Kailian was setting sales calls for in-home improvement projects. In 1975, Keith and his father,...

What is an NFRC Rating?

Each year, the average American household spends $1,500–2,500 on energy bills. 45% of that cost is for heating and cooling. Choosing high-performance windows, doors, and skylights can save you money...

What is Warm-Edge Technology?

There is Science Behind Energy Efficient Windows. The layers of glazing in an Insulated Glass Unit (IGU) must be held apart at the appropriate distance by spacers. Because of its...

When Is It Time to Replace My Windows?

Signs It is Time to Replace Your Windows... Windows keep your home well-ventilated, comfortable, and safe. The type of window, where the window is located in your home and the...

What Considerations are Important When Buying Windows?

Be a Knowledgeable & Confident Shopper in the Window Replacement Journey! There are five factors to keep in mind to have a knowledgeable conversation about what kind of windows you’re...

What Makes a Window Energy-Efficient?

Energy-Efficient Windows Begin with the Right Glass Pack. An Insulated Glass (IG) Unit contains two or three panes of glass separated by a spacer. The IG Unit is also known...

Why Choose The Window Source?

Read Our Customer Reviews to Learn More! The Window Source is made up of a carefully selected group of entrepreneurs who care about quality and offering the best value to...

See What Our Customers Are Saying About Us

“The company to use if your needing window replacement, Fair pricing and honest fast work.”

Tom Reavis, GA

“Fantastic Company and true to their word! The crew was so professional and polite. We had our entire house of windows done and it only took 2 days. The quality of these windows are amazing and we couldn’t be happier! Don’t pay the high price that other companies want. This is the real deal!”

Jennifer Rochester, NH

“The Window Source of Tulsa was recommended to us. We received bids from three window replacement companies. Window source had the best product at the best price. The installation was on time and professional. We were kept informed through out the process. We are very pleased with the final product. About two weeks after the windows were installed I broke the outside pane of one window while mowing the yard. I contacted Window Source and told them what had happened, offering to pay for the replacement. They replaced the window free of charge. They are a pleasure to do business with.”

Alan McIntyre, OK

“Excellent service, product, and less than half the price of the other 2 estimates I had. Installer cleaned up after himself and was very professional.”

Ian Gollahon, OK

“Quality windows at an affordable price. Love our windows! Talked to several companies, but The Window Source offered top notch windows at the best price. Sales and installation crew were very nice, knowledgeable and professional. They did a great job.”