ComfortStarTM Sliding Patio Doors
Boasting superior thermal performance and high condensation resistance through modular design, ComfortStar™ sliding patio doors improve the home’s comfort levels through unrivalled energy performance and innovative construction.
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ENERGY STAR ®
Most Efficient
Our innovative fusion-welded dual-walled sash, multi-stage sealed interlock, and added seals between the frame create an environment of superior thermal performance that designates the ComfortStar™ patio door as ENERGY STAR® Most Efficient.
The ComfortStar™
Advantage
ComfortStar™ is tested and certified to CSA standards with AAMA certified extrusions, impressive U-values exceeding current standards through 2030, and enhanced water and air performance through its modular design and self-draining sill.
Customizable
Modern Aesthetics
With its modern, straight-line design and innovative accents like mini-blinds, grilles, and contemporary hardware, you can achieve a visually impressive living space for any home design.
The choice you’ll be comfortable making.
Hardware
Offered in a wide variety of architectural styles and elegant finishes, North Star Hardware adds the perfect finishing touch to your entry system.
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Energy Star
The Energy Star program has become an international standard to help consumers save energy and money through the purchase of energy efficient products.
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Door Brochure
North Star stands behind all of its windows and doors with a generous limited lifetime warranty. The benefits of the North Star warranty are also transferable to a subsequent owner.
Learn Moreabout our door quality brochure