Phone 717-541-9556
1-800-932-0702

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Invision line^™ Windows,
your home deserves nothing less. 
Invision windows qualify for IRS Energy Tax Credits and meet all Pennsylvania building code energy standards.

For years Prime-O-Sash Home Improvements has sold the most cost effective Energy Saving windows. We are proud to announce our new  Invision line^™ windows.

Why Invision? Because performance matters!
When it comes to performance, Invision is unbeatable.  With superior structural integrity and the highest warm-edge ratings in the industry, Invision outperforms all others.  Tested extensively, Invision surpasses industry standards for seal durability, air infiltration, water penetration, and structural performance. The result, Invision ranked above all other replacement windows!.

The Invision Line of residential vinyl
windows are the most technologically advanced in the market, combining the latest innovations to create a window that is not only exceedingly beautiful, but that surpasses the highest performance and quality standards.

One of the most unique features of the Invision line of windows is Sashlite's insulating glass technology.  This technology, which recently received the industry' highest award, integrates the spacer directly into the sash profile.  By eliminating the traditional spacer bar and crafting the window to form a single, solid  unit, Invision windows are stronger, more durable, and provide the highest warm edge protection, energy efficiency, and condensation resistance available today.

No matter what type or size of window you need, chances are we can accommodate you … Double Hung Tilt windows, Bow and Bay windows, Sliders, Awning, Casement  or Hopper windows … Prime-O-Sash has a window for every need, and each one is custom-made specifically for your home!

Be sure to ask about the many features available with your windows: creative images, decorative grids and real decorative Art Glass!

There are lots of companies selling windows, but there is only one Prime-O-Sash!

Call Prime-O-Sash for a free estimate At (717) 541-9556 or 1-800-932-0702 or fill out our online form and let us show you why Prime-O-Sash has been a trusted name for over 33 years.

Pleasing Beveled
Exterior Frame


One Piece
Seamless Sill

Contoured Sash Profile
(meeting rail view)

Exclusive Adjustable
Constant Force
Balance system


Cutting Edge Sashlite
Glazing Technology