Your windows' energy efficiency depends, in large part, on the type of glass used. Marlboro makes its insulated glass units (two panes of glass in a hermetically sealed unit) in-house, from scratch. Our insulated glass units have a full range of features and options to improve energy efficiency, including an insulating dry airspace between its two panes, desiccant to prevent condensation and a warm edge spacer to further reduce heat and air transfer. Airspaces can also be filled with argon gas and double-sealed to enhance the window's insulating performance.
We also offer a full range of glass coatings, including soft coat low-emissivity (low-E) and hard coat low-E, which can help reduce cooling and heating costs.
Marlboro's transferable lifetime warranty
As a highly respected manufacturer with a 30-year track record, we are proud to stand behind our windows with a transferable lifetime warranty on vinyl, aluminum, insulated glass units and hardware.
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Marlboro's low-E argon vinyl windows meet ENERGY STAR® requirements for all Canadian climate zones and achieve outstanding energy efficiency ratings. More info
Marlboro has been making quality windows and doors for more than 35 years.
Located in Ottawa, Canada, our modern 40,000-square-foot manufacturing plant produces a full range of competitively priced custom-built vinyl, aluminum, hybrid windows and doors that will enhance the look of any home.
A family-owned business now in its third generation, Marlboro’s commitment is to provide exceptional customer service and to make windows and doors that meet the highest standards of quality, design, durability and energy efficiency.
2370 Stevenage DR. Ottawa, Ontario, K1G 3W3
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