Locally Designed, Manufactured, and Installed,
Energy Efficient Replacement Windows & Patio Doors
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Casement & Awning Windows

EnergyMiser Casement Windows

Casement windows with Obscrure glass and grids in white.Casement windows open at the vertical line of the sash. They are ideal in narrow spaces and can used by themselves or, they can be paired with other window styles. You’ll often find them flanking a fixed picture window.

These windows bring fresh air into a space as the opened, outward pane “catches” the breeze. Opened by turning the single, heavy-duty crank mechanism, Jantek Casement windows open to 90-degrees for maximum ventilation. Security features include a single lever locking device that engages at three points along the window frame.

Jantek EnergyMiser Casement Windows come standard with our proprietary EnergyMiser Technology which yields a R5 Insulation Value and a .16 U-Factor.

EnergyMiser Awning Windows

Close up of an open basement window.Awning windows are hinged at the top of the window sash outward at the bottom. This allows for ventilation and protection from rain.  Because these windows can be placed higher on a wall than most operable windows (while maintaining privacy), they are often installed in bathrooms and bedrooms. Optional, obscure or “frosted” glass can be used for added privacy.

Security features include a single lever locking device that engages with our heavy-duty keepers at multiple points along the frame. 

Jantek EnergyMiser Awning Windows come standard with our proprietary EnergyMiser Technology which yields a R6 Insulation Value and a .16 U-Factor.

Check out the Product Specifications and watch our demonstration video on this page to learn more about our EnergyMiser Casement windows. Feel free to stop by our Medford, NJ Factory and Showroom, Monday through Friday - 9:00am to 5:00pm.

We design, manufacture, and install all our windows and patio doors. Our staff includes a team of professional window installers who are expertly trained, insured, and will be respectful of your home.

Jantek has been providing quality replacement windows since 1995. Both our products and work are backed by a transferrable, limited warranty.

Download Casement Product Sheet

Download Awning Product Sheet

Pricing Includes:

  • Custom made windows or door
  • Removal of old windows or door
  • Installation
  • Caulking
  • Capping
  • Sealant
  • Interior Trim when required
  • Removal of installation debris
  • Warranty

Product Specifications

Standard Features:

  • Custom manufactured to your specifications or job requirements.
  • EnergyMiser Triple Pane, Soft Coat, Low-E Glass yields a R5 Insulation value and a .19 U-Factor.
  • Fusion welded, multi-chambered 3 1/4" vinyl master frames.
  • Fusion welded, vinyl sash frames.
  • Interior and Exterior heavy duty bulb seals extruded directly into the frame.
  • DuraSeal warm edge spacer.
  • Heavy Duty crank & hinge operating hardware design.
  • Multi-point locking system with easy, single lever design.
  • Aluminum frame screen with polypropylene mesh.
  • Casement window opens a full 90 degrees for easy cleaning. (meets egress code requirements)
  • Awning window has a maximum clearance hinge for easy cleaning.


Download Casement Product Sheet

Download Awning Product Sheet