Super Energy Saving Windows & Patio Doors
At A Super Affordable Price!
Manufactured In Medford, New Jersey, USA!




"If you find a window and service as good as ours at a better price...Buy it!"

See Jantek's YouTube Channel

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Helpful Websites:

Here is a list of links to other websites that you may find helpful. We hope this list, along with a visit or call to our Factory Showroom helps answer any questions you may have.

Energy Star ®

Links to the U.S. Government's Energy Star Website with lots of info on Energy Star™ products, including replacement windows

National Fenestration Rating Council (NFRC)

The NFRC is the organization that provides a fair and accurate labeling system for certifying the energy efficiency of fenestration products including windows and doors, based on independent laboratory testing.

Better Business Bureau

Purchasing replacement windows has huge rewards if you do your homework. The BBB is a great place to check on the credentials of the company's you are considering signing a contact with. 

Jantek Windows Facebook Page

Visit our Jantek Windows Facebook page and see even more up to the minute information about Jantek Windows, our products, special offerings, Fan feedback, and much more.  Join the growing number of Fans. "Like" our Facebook page to stay up to date on the latest news feed out of Jantek.

Jantek Windows YouTube Channel

Visit our Jantek Windows Jantek Windows YouTube Channel where you can more information about replacement windows and see short video overviews of each of our window and patio door products and how we have used them in projects that we have completed and feedback from our customers.