Overview
Next Door & Window sells and installs replacement windows and doors for homes, offering in-home consultations and in-house certified installation teams with optional custom painting or staining. It sources products from brands like Marvin, ProVia, Albany, and Sunrise, including Marvin fiberglass, and uses its proprietary Full Frame 4 Systemâ„¢ to optimize sightlines and energy efficiency, often completing projects in one day. Its differentiators include direct-to-consumer home consultations, in-house installation, the Full Frame 4 System, and strong brand partnerships, supported by a family-owned, referral-driven model. The goal is to provide homeowners with durable, long-lasting window and door solutions through a hassle-free, one-day, full-service experience.
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Simplify's take
What believers are saying
- BBB shows A+ rating and 4.64-star average across 81 reviews in 2026.
- November 2026 Burr Ridge reviews praise responsive service, fair pricing, and repeat purchases.
- Updated 2026 site highlights service across Chicagoland, Wisconsin, and Missouri, sustaining lead flow.
What critics are saying
- BBB logged one 2026 complaint and four complaints across three years.
- September 2025 review alleges wrong window, six-month delays, and payment demands before completion.
- Referral-driven reputation can unravel fast if installation defects keep hitting high-ticket homeowners.
What makes Next Door & Window unique
- Family-owned since 2002, with in-house certified installers and design consultants.
- Marvin fiberglass windows plus Full Frame 4 System target durability and energy efficiency.
- Two-location Chicagoland footprint and Madison, St. Louis service beat single-market competitors.
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