Energy Saving Replacement Windows

Official Manufacturer’s Certificate

The Energy Tax Credit information contained on this site is not complete or comprehensive. For the scope of information about the Credit for Non-Business Energy Property, please visit www.irs.gov.

Quantum2 Features and Benefits

Vinyl Replacement Window

Quantum2 Windows set the standard for vinyl replacement windows and has earned the reputation of being among the finest in the industry - unparalleled in energy efficiency, strength, durability, and style. The highlights of these high quality replacement windows include our Power Q™ Glass, Q-Foam™ Insulation, impressive warranties and the no maintenance aspect of vinyl windows. We encourage you to learn more about these features of our windows.


  • Heavily constructed, fusion welded frame and sash corners for air and water tight unitized construction
  • Internal chambers of the frame and sash are filled with Q-foam, a polyurethane foam injected inside each profile to provide an R-25 insulation rating
  • Dual weather sealed reinforced vinyl interlock prevents air and water infiltration across the meeting rail
  • Easy cleaning
  • Maintenance-free vinyl surfaces available in multiple colors
  • Elegant beveled exterior for superior curb side appeal
  • Heavy duty vinyl extrusions for durability and strength
  • 7/8” insulated glass for increased insulating power
  • Integral welded sloped sill for optimal water control
  • Heavy duty extruded aluminum screen frame with fiberglass screen mesh deters holes and tears
  • Integral screen track anchors screen securely in place
  • Made with an automated four point welding system
  • Each piece of glass is cut with precision on sophisticated glass manufacturing systems
  • Computer controlled routing and corner cleaning systems finish each window with exacting accuracy


© 2008 Kensington Windows Inc.