Capstone Window Replacement & Doors

Capstone Window Replacement & Doors is a locally owned family business serving Phoenix, Scottsdale, and Gilbert since 2011, specializing in high-performance window and door installation designed for Arizona's desert climate. They install Infinity from Marvin windows exclusively—premium fiberglass frames engineered to resist Arizona heat and improve energy efficiency—with full-service installation handled by their in-house crew and personally overseen by the company owner. Beyond windows, they offer sliding glass doors, French doors, and specialty doors, along with comprehensive design consultation, dust-controlled installation, and stucco repair, with most projects completed within one week.