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Business Details
35 Years
experience
Expert Window & Door Solutions in Northern Minnesota & Wisconsin
Since 1991, Heritage Window & Door has been dedicated to delivering exceptional-quality products, service, and craftsmanship across northern Minnesota and Wisconsin. Our approach centers on listening to client needs, offering tailored solutions for windows, doors, and energy efficiency, and combining technical expertise with creative design. With decades of experience serving architects, builders, and homeowners, we specialize in high-performance building materials for both residential and commercial projects. Our team of seasoned professionals prioritizes understanding project-specific requirements, ensuring solutions align with functional and aesthetic goals. Recognized for historic restoration expertise, we collaborate with organizations like the Duluth Preservation Alliance to preserve architectural heritage.

From large-scale commercial renovations to residential upgrades, our focus remains on efficiency, performance, and client satisfaction. We actively engage with industry associations such as the Arrowhead Builders' Association and Construction Specification Institute to stay at the forefront of industry standards. Our Duluth-based showroom provides hands-on access to premium products, supported by knowledgeable staff committed to guiding clients from initial consultation to project completion. This commitment to personalized service, technical excellence, and community involvement has solidified our reputation as a trusted partner in the building industry.
Services
Window Installation Door Solutions Historic Restoration Energy-Efficient Products Commercial Renovations
Details
  • Year established: 1991
Highlights and features
  • We offer 30+ years of expertise in residential and commercial building solutions.
  • Our team provides tailored consultations to match project-specific needs.
  • Specialized in historic restoration with recognized industry partnerships.
  • We deliver energy-efficient products that reduce long-term operational costs.
  • Active participation in local and national construction industry associations.
Services
Window Installation
We provide high-performance window solutions tailored to residential and commercial structures. Our offerings include energy-efficient options that reduce utility costs while maintaining aesthetic appeal. With expertise in both modern and historic designs, we ensure seamless integration with existing architecture.
Historic Restoration
Specializing in historic building restoration, we work on heritage sites using period-accurate materials and techniques. Our team collaborates with preservation organizations to maintain structural integrity while meeting modern performance standards for durability and energy efficiency.
Door Solutions
We offer a range of commercial and residential door systems, including custom designs and security-focused options. Our solutions combine functionality with visual appeal, ensuring long-term performance and enhanced property value through quality craftsmanship.
Energy-Efficient Products
Our energy-efficient windows and doors help reduce heating and cooling costs while improving environmental sustainability. We provide expert guidance on selecting products that meet ENERGY STAR standards without compromising on style or durability.
Commercial Renovations
We support large-scale commercial renovations with tailored building material solutions. From historic structures like the DeWitt Seitz Building to modern facilities, our team ensures timely delivery of high-quality products that meet project-specific architectural and performance requirements.
People
Paul Kellner
Partner
With decades of industry experience, Paul Kellner co-leads Heritage Window & Door's strategic direction. He specializes in client relations and project oversight, ensuring every solution aligns with technical and aesthetic requirements.
Questions
What services does Heritage Window & Door offer?
We specialize in windows, doors, historic restoration, energy-efficient products, and commercial renovations for residential and commercial clients across northern Minnesota and Wisconsin.
Do you serve both residential and commercial clients?
Yes, we provide tailored building solutions for homeowners, architects, and commercial developers with equal expertise in both sectors.
Are you experts in historic restoration projects?
Yes, we're recognized specialists in historic preservation, working with organizations like the Duluth Preservation Alliance on heritage building renovations.
Can I visit a showroom to see products?
Our Duluth showroom features product displays and knowledgeable staff available for consultations on window, door, and hardware options.
What areas do you serve?
We primarily serve northern Minnesota and Wisconsin, including Duluth, Minneapolis, and surrounding communities for residential and commercial projects.