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

See Jantek's Facebook Page




Why Purchase Windows From Wholesalers, Retailers... "MiddleMen," At Huge Markups?

High Performance Windows  

At Super Affordable Prices**

Buy Local!!

 Deal Directly With Jantek's  Medford NJ Factory And Showroom!

Our Medford New Jersey Employees

Design, Manufacture and Install!

All of Jantek's window and patio door models are Certified by the National Fenestration Rating Council for the US EPA's Energy Star® program. All of our windows are available in your choice of Whole Window Insulation Values of R-3, R-5 or R-6.  

**Direct Factory Purchase Pricing is offered on Factory Direct Showroom orders only and not available through Jantek Dealers. Installation by Jantek is available in New Jersey and Philadelphia. Product only orders are for pickup at The Jantek Factory & Showroom located in Medford New Jersey.