Contact NTI Windows & Doors

Have a window or door project you’re thinking about? Fill out the form below to get a free, no-pressure estimate or ask a question — we typically respond within 1 business day.

    Contact Information

    Phone: 905-512-2398

    Email: office@ntiwindowsanddoors.ca

    Service Area: Southern Ontario

    Monday 8 a.m.–5 p.m.
    Tuesday 8 a.m.–7 p.m.
    Wednesday 8 a.m.–7 p.m.
    Thursday 8 a.m.–4 p.m.
    Friday 8 a.m.–4 p.m.
    Saturday 10 a.m.-1 p.m.
    Sunday Closed

    We treat single-window projects with the same care and attention as full-home replacements.