Simply clean the windows periodically with soap and water.
And you get all of this at a cost that's less than custom-sized wood windows, making Protec Replacement Windows a sound investment.

Industry-leading thermal efficiency
Protec Replacement windows are European designed in response to the energy crisis. Continuous improvements have kept our windows on the leading edge of technology.

Unsurpassed style
Protec Replacement windows aren't just efficient -- they're beautiful. A non intrusive look is achieved with beveled exterior edges and sleek interior lines. Other beautiful features include an appealing choice of white, beige, cocoa or if you would like you can have white or beige exterior with light or dark oak wood-grain on the interior. Recessed locks and tilt keepers. Color-matched hardware and flat or sculptured grids between the glass that add the classic look of true divided lites.

Custom-Manufactured And don't worry about sizes. Protec windows are custom-manufactured to fit your window opening exactly. .
		Beauty to complement your home. Whenever someone looks through windows, they're looking at them -- every detail matters. In the design of Protec windows, every feature adds to the beauty. Trim lines create a graceful impression emphasizing the view, not the window. Frames and sashes have a sleek look. Exclusive recessed locks and hardware used are perfectly color-matched and designed to practically disappear. To the last detail, Protec windows duplicate the look and feel of traditional wood windows in an exceptional range of styles, shapes, and options.
Energy savings -- winter and summer. Thermal efficiency of our Protec window delivers value two ways -- by providing real comfort year-round, and by helping save money on cooling and heating. And every Protec window is designed to deliver outstanding performance year after year. From our multi-chamber frames filled with insulating air spaces and metal reinforced for superior strength, to the double weather-stripping that locks out wind and weather, to the High Efficiency Low E2 Smart Glass(R) glazing system with HP Safety Glass, the Protec window define the state of the art in energy efficiency and safety, and is specially designed to keep summer heat out and winter heat in better than any other system in its class, and to significantly reduce damaging UV rays.
Protect your family with HP safety glass. 400% stronger than ordinary glass. Extra protection from intruders. If it should happen to break, it breaks into harmless pieces.
		Trouble-free, maintenance-free operation for decades. You will appreciate the convenience that is built into our Protec windows. The time and trouble that they can save are truly a delight that you will enjoy for many years. With tilt-in sashes that make cleaning quick and easy. Our protect windows will never flake, chip, or rot -- or need painting or puttying. One-piece fusion-welded sashes and frames that will never warp, shrink, or swell. And our unique balance system makes sashes easy to open and keeps them in place -- tested and proven to last a life time.
Best Value vs. Low Cost:

Not all vinyl windows are created equal. FEATURE BEST VALUE SOLUTION LOW COST SOLUTION Sash and frame   Robust double-walled profiles 100% pure virgin PVC   Single-walled profiles Often made with reground PVC Sash construction   Fusion welding   Mechanical fastening Low "E2" Smart (R)Glass Option   High performance Low "E2" with Argon Gas   Ordinary Low "E" Glass spacer technology   New (warm edge with low conductance)   Old fashioned (aluminum with high conductance) Performance ratings   Significantly exceeds industry standards   Meets industry standards Balance system   Caldwell   Block and tackle Hardware/lock   Recessed and color-matched to vinyl profiles   Screw on top of meeting rail; color does not match vinyl profiles Styling/design   Engineered for a balance of traditional looks and functionality   Engineered for durability performance, longevity and traditional looks.. Warranty period   Lifetime   10 to 20 years