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Bostonia
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System II

The System II™ Difference*
Typical Window Energy Loss Hole

The moving parts of a standard-size window leave a crack space which amounts to an average of 12 sq. inches. That much crack space is equivalent to
an energy loss hole this big. Heat escapes, cold air flows in and fuel costs rise proportionately.

97% Air-tight for maximum energy conservation
System II Energy Loss Hole

The System II difference shrinks
the crack space toalmost nothing.
Now the equivalent-size energy loss hole is this small.  Heat stays in and cold stays out.

Aluminum Energy Loss Hole

Standard aluminum
windows reduce the crack
space. Accordingly, if the
equivalent energy loss hole
becomes smaller, but still
substantial.

*System II in detail. Easily installed on any surface (wood, steel, aluminum, plaster, masonry). System II uses a continuous, flexible magnetic strip attached to an aluminum frame. The frame holds the acrylic glazing in place with the use of a complete wraparound vinyl gasket as a thermal break between the frame and the acrylic glazing. The magnet is drawn to a steel framing piece which is attached to the window pocket. This creates an air-tight seal around the entire frame of the existing opening, thereby eliminating cold air infiltration. Due to the integrity of the magnetic seal, and the thermal characteristics of acrylic, the 'dead air'space created greatly reduces conductive heat loss.

System II Detail

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(781) 444-0340
941 Great Plain Avenue, Needham, MA 02492
MA Registered Contractor No. 108369

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