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Commercial · Office
Drafty, dated office windows cost comfort and energy on every floor. We replace them with sealed, efficient units — Low-E glass, argon fill, air-sealed perimeters — and work tenant-occupied floors one at a time to limit interruption.
Why it matters
Efficient office windows do more than cut heating and cooling bills — they make the space more comfortable and productive to work in. Drafty, single-pane or failed units create cold spots at the desks, glare and street noise, and temperature swings the heating and cooling system fights all day. Swapping them for sealed, well-insulated glass cuts the drafts, dampens noise, evens the temperature, and lowers the cost of running the building.
For staff that means warmer seats by the window in winter and less glare on screens; for the business it means lower operating costs. An energy-efficient replacement or a double-pane upgrade pays back over time.
It folds neatly into a property-management program or phases across a floor at a time, and any foggy sealed units get flagged during the measure.
How it works
Call, text or use the form. We book a free in-home visit — no obligation, no high-pressure sales table.
We measure every opening, check the frames and sills for rot or water damage, and walk through material, style and glass options in plain language.
Line-item quote with the window line, glass package, U-factor, warranty and haul-away on one page. Financing attached when you want it.
Drop cloths, boot covers and a full air-seal on every unit. Old windows hauled away and a walkthrough of your new windows plus warranty registration.
What you get
We phase and schedule the work — including evenings and weekends — to keep your office running, working floor by floor or wing by wing so your team keeps working and the space stays secure and weather-tight between sessions. Occupied floors get proper notice and a tidy site each morning.
You get efficient glass sized for our climate, an itemized written quote and a single point of contact for the whole project. Bundle it with storefront windows, a wider commercial glass replacement, or a portfolio-wide property-management program to keep budgeting and sign-off simple.
Related services
Other services our crews handle across Montreal.
Large-format storefront glass installed.
Learn moreBroken or failed commercial glass replaced.
Learn moreMulti-unit window programs.
Learn moreStorefront, office, glass and multi-unit window programs.
Learn moreCommon questions
Staying open, energy savings and one point of contact.
Real Montreal reviews
Replaced our office windows floor by floor after hours so nobody lost work time. Quieter, warmer and lower energy bills.
Phased the whole building around our operations. One contact, one itemized quote, and clean workspaces every morning.
Efficient units sized for our climate and the staff immediately noticed fewer cold spots and less street noise.
Professional crew, minimal interruption and a clear budget breakdown for ownership. Would use again.
Ready when you are
Book a free on-site assessment and a written, itemized quote for office window replacement anywhere across Montreal and the surrounding area — efficient, quiet, climate-sized glass, phased around your operations, with one point of contact. Done by our own crews, no subcontractors, no pressure.
Locally owned · Insured · ENERGY STAR® · Free written estimates