Regal Replacement Windows is a family-owned window replacement and installation company serving Portland and surrounding communities since 2000. We provide high-performance windows, expert installation, and trusted customer service, helping Maine homeowners and commercial business owners, enjoy energy-efficient, long-lasting results. Our partnerships with Andersen, Paradigm, Marvin, Harvey and Therma-Tru allow us to provide windows and doors with a 20-year glass warranty and a lifetime warranty on parts and mechanisms, all proudly made in America. With our expert window and door installation team, your home or business receives exceptional craftsmanship and attention to detail. Our Energy Star-rated windows ensure outstanding performance and energy efficiency year-round.

BEAUTY

Beautifying your home with our windows full range of options and experiencing clear, expansive views without ever worrying about heat loss or cold penetration is truly irreplaceable. With 24 standard colors, our windows are a beautiful option to consider.  Its easy to compliment your existing decor with a variety of hardware finishes.  Our grille designs will compliment your homes architectural style.  Choose from endless options of patterns and configurations.  Decorative and textured glass can offer privacy and charm. 

QUALITY

Structural integrity is a fundamental component of any window's overall performance rating. Our windows achieve excellent ratings in both structural and thermal performance categories. When your home and family needs protection from the worst forces nature brings to bear, our Impact Rated windows provide protection from hurricane force winds and intruders.  Low-E glass will provide energy efficiency benefits and protection from UV fading. 

PERFORMANCE

Our full line of vinyl, wood clad, wood and aluminum windows are built for a lifetime of performance, featuring fusion-welded sash and frame and industry leading weather stripping for maximum durability.  Our high performance .20 L.E.E.D rated window is an example of our commitment to superior window performance.  Plus, all of our windows offer climate control Glazing system with high performance thermal coating, warm edge spacer technology, and excellent condensation resistance.