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!"

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


Buy Our Triple Pane 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 standard with our proprietary triple pane Energy Miser II Glass System™ certified at an industry leading R5 insulation value! 

**Direct Factory Purchase Pricing is offered on Factory Direct Showroom orders only and not available through Jantek Dealers. Installation by Jantek is available in the following New Jersey counties; Mercer, Monmouth, Burlington, Ocean, Camden (Not the city of Camden), Gloucester and in the city of Philadelphia.  Products may be purchased without Jantek's installation service, only for customer arranged pickup at The Jantek Factory & Showroom located in Medford New Jersey.