Best doors & windows companies

Customers rave about the friendly staff, fast installations and high‑quality doors and windows, though a few note occasional contract hiccups and rare safety concerns.

Customers rave about fast, courteous service, knowledgeable technicians and clear pricing, with most issues solved on the spot or over the phone.

Customers generally praise the knowledgeable sales team and the clean, professional installation work, but a minority report serious communication lapses and delays.

Customers love the craftsmanship and friendly staff, but many report serious service lapses and poor follow‑up on warranty issues.

Customers overwhelmingly praise Renovem for fast, professional roofing work, clear communication and fair pricing, though a few note slow warranty follow‑up.

Customers rave about ÉLIT TECH’s top‑notch products, friendly staff and speedy, tidy installations, all at a solid price.

Customers consistently praise Portatec for courteous, skilled teams and durable, attractive products, though a few isolated complaints note poor sales follow‑up.

Customers consistently praise Portes et fenêtres Dumoulin for its affordable prices, courteous staff and flawless installations, making it a top choice for doors and windows in Deux‑Montagnes.

Customers consistently praise Isothermic for skilled installation, solid product quality and attentive service from quote to follow‑up.

Customers generally praise PF Expert for courteous staff, fair prices and prompt, clean installations, though a minority report serious product defects and inconsistent after‑sales follow‑up.

Customers praise Domac for fast, courteous service, solid Garaga doors and flawless installations, though a few have faced delivery damage or miscommunication.

Customers praise Vitrerie Lionel for honest, professional service, quick installations and courteous staff, though a few note higher prices and one isolated follow‑up issue.

Customers praise the high‑quality products and professional installation, but several complain about slow after‑sales service and part delays.

Customers praise Rico Réno for timely, professional installations and friendly technicians, but the front‑desk staff often receives harsh criticism.

Customers praise Fenplast’s high‑quality doors and windows and the professionalism of its staff, though a few report communication lapses and installation hiccups.

Customers rave about the professional staff, quality work, and fair pricing, though a few note occasional wait times and rare pricing hiccups.

Customers overwhelmingly praise the company for fast, courteous service and solid workmanship, with only occasional hiccups on pricing or scheduling.

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

Customers highly praise Denkaey MRM Renovation for meticulous, professional renovation work—especially bathrooms and basements—with strong communication, cleanliness, and reliability, though one reviewer reported serious issues with work quality and billing practices.

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