Best doors & windows companies in Greater Montreal

Customers consistently praise the knowledgeable staff, quick and tidy installations, and durable, well‑priced products, while after‑sales support is generally responsive.

Customers rave about the professional staff, flawless installations and attentive after‑sales support.

Customers generally praise the quick, courteous installations and good product quality, but occasional delays, cleanup issues, and after‑sales follow‑up problems lower the overall experience.

Customers rave about the high‑quality windows, courteous installers and responsive service, though a few have run into installation glitches or warranty hassles.

Customers overwhelmingly praise Basco for fast, professional window and door work, clean installations and helpful after‑sales service, though a few note price or communication hiccups.

Customers praise Fenplast for its friendly, expert staff and solid, well‑installed products, though a few report after‑sale service hiccups.

Customers praise Construction Ouellette for its professional project managers, clear communication, and solid post‑damage work, though a few report delays or pricing changes.

Renovco delivers high-quality renovations and restorations with professional, detail-oriented teams that customers frequently praise, but a notable minority report serious issues with communication, post-job support, and billing surprises.

Customers rave about quick, professional service, knowledgeable staff and solid product quality, though a few have experienced delays or post‑sale communication lapses.

Customers rave about Fenestration Dana’s courteous team, spotless installations, precise measurements, and durable Quebec‑made windows, with strong after‑sales support.

Customers rave about DCR’s top‑notch workmanship, punctuality and clear communication, noting that the firm reliably delivers projects on schedule and within budget.

Customers rave about fast, courteous service and solid product quality, though a handful report poor follow‑up and occasional installation glitches.

Customers rave about the professional, clean, and well‑priced installations, though a few note after‑sales follow‑up problems.

Customers rave about AlumComplete’s custom sliding doors, praising the high‑quality materials, fast, hassle‑free service and friendly, knowledgeable staff, though a few have reported minor installation slip‑ups.

Customers rave about Aluminium Atlanta’s top‑notch products, professional installers and attentive service, making it a trusted choice for windows and doors.

Customers praise the huge wood selection and knowledgeable staff, but a few report poor communication and return hassles.

Customers consistently praise Lamater for its professional staff, clean and timely work, solid estimates and good prices, plus strong after‑sales service.

Customers rave about fast, professional service and fair prices, though a few note missed appointments.

Customers consistently praise Vitrerie Larochelle for quick, professional service, meticulous work and transparent pricing.

Customers rave about friendly, knowledgeable staff and fast, reliable service, though a few have experienced communication lapses.