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Upgrading your windows can completely transform the comfort, efficiency, and appearance of your home. At Ultimate Windows, Doors & More, we specialize in window replacement and retrofit services using premium Marvin™ windows designed for Canada’s four-season climate. Whether you’re renovating a century home or modernizing a newer build, our team ensures every replacement is tailored for performance, style, and long-lasting value.

Keep your windows and doors performing their best with this complete care guide. Learn how to clean glass, maintain hardware, protect wood finishes, care for screens, and avoid common issues that affect performance and energy efficiency. Simple seasonal maintenance helps your home stay comfortable, efficient, and looking its best for years.

Un refuge moderne qui s'imprègne des rythmes paisibles de la nature sur la côte sud-est de la Nouvelle-Écosse. Nichée dans la forêt, en amont d'une rivière paisible, Sunnybrook Sanctuary est une maison sur mesure conçue pour offrir une vue imprenable sur l'eau et une harmonie parfaite avec la nature. Le paysage est au cœur de l'expérience, les arbres filtrant la lumière matinale. Chaque pièce semble connectée au monde naturel qui s'étend juste au-delà des baies vitrées. Le de

Ultimate Windows, Doors & More is pleased to announce the acquisition of two established Marvin Canada locations in Mississauga and Montreal. This expansion marks an important milestone in our continued growth across Eastern Canada. With these new locations, Ultimate becomes the dealer direct partner for Marvin in both regions. Our team will now oversee sales, service, and support for all residential and commercial customers in the Greater Montreal and Greater Toronto areas.