Lisa Kannakko

“Window looks great, well designed and closes smoothly. The installer was fast, courteous and friendly. We are very happy with the services and it looks great!”
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Residential and commercial · Measured to fit
New windows for residential and commercial properties. We measure your openings, explain the options and handle installation, sealing and finishing.
4.9 out of 5 on Google · 180 reviews. Rating snapshot as of 2026-09-27.
Original customer photograph shared with Lisa Kannakko's window installation review.
Customer photo reviews
Window installation and replacement-glass reviews come first, followed by more genuine customer stories. Each review describes the work that customer received.
180 customer ratings
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Work at these locations includes jobs through facilities contractors. Logos belong to their owners; no affiliation, sponsorship or endorsement is implied.
This service
Repairs, replacements and the right next step for your property.
Quotes come after measuring, not over the phone. Size, operating style, glazing package, whether it is a retrofit or a full-frame install, exterior capping, and access on upper floors are what move the number.
On-site estimate visits are free for most jobs. We confirm whether your visit is free or chargeable before booking.
The work
We check the frame for rot and movement, look at how the sash sits, and test the hardware before recommending anything. If a balance, an operator or a sealed unit would carry the window for years more, we tell you that. Replacement is put forward when the frame itself has failed, because no new sash fixes a rotted opening.
We measure the opening at three points across the width and height, because a settled house is rarely square, and record the sill slope and the depth of the jamb pocket. Windows are ordered to those measurements with the operating style, screen, grille and colour confirmed in writing before anything goes into production.
A retrofit sets the new unit inside the sound existing frame, which is faster and leaves your brick, siding and interior trim untouched. A full-frame install strips back to the rough opening and is the right call when the frame is rotted or the sill is wet. We tell you which one the opening needs and why.
We go through the options that actually change how the window performs: double or triple glazing, low-E coating to hold heat in during winter, argon fill, and a warm-edge spacer that reduces condensation at the glass edge. Tempered glass is used where the code calls for it, near doors, in bathrooms and low to the floor.
The unit is set level, plumb and square on shims, fastened through the frame into structure, then insulated around the perimeter with low-expansion foam that will not bow the jamb. Exterior joints are capped and caulked to shed water, interior trim is refitted or replaced, and the old window leaves with us.
Before and after · Original job photographs
These two jobs show broken glass replaced in existing window frames, not complete window-and-frame replacements. Each pair shows the same opening before and after the work.
After
BeforeDrag left or right to compare. Customer photos from different viewpoints.
Vaughan · York Region
The damaged pane was replaced and the opening was left complete, with an original before-and-after pair supplied by the customer.
Photos and review by Samara Gollant · Read the full story
After
BeforeDrag left or right to compare. Customer photos from different viewpoints.
Mississauga · Peel Region
The cracked pane was replaced within a few days and the customer documented the same opening before and after the work.
Photos and review by Andrea T · Read the full story
Real work · In motion
Related on-site work: sealing the joint between an exterior frame and brickwork. This clip shows the sealing step, not a complete window installation.
Short clips. No sound. Motion is paused.
A close-up of sealant being applied along the joint between an exterior frame and brickwork.
Caulking and sealing →How it works
Call or send the details. Photos are helpful, but optional.
We assess the job on site. You approve the price before paid work starts.
We secure unsafe openings and arrange the agreed repair or installation.
An itemised invoice and a one-year warranty on labour and materials.
Thousands of jobs completed. Residential and commercial expertise. Insured, WSIB covered and ready to help 24/7.

Insurance claims
We guide you through the claim and reimbursement process after a break-in or property damage, at no extra charge.
Coverage and reimbursement depend on your policy and your insurer's approval.
How we help with your claimService areas
Residential and commercial service across Toronto, Peel, York, Durham and Halton, plus Hamilton, Barrie and nearby communities.
FAQ
If yours is not here, call and ask. We would rather answer it now than have you guess.
Look at the frame. If the frame is sound and only the hardware or the sealed unit has failed, repair is the better value and we will say so. If the frame is rotted, cracked, distorted or letting water into the wall, replacement is the fix, because a new sash or unit inside a failing frame will not last.
Measuring takes one visit. Manufacturing the units is the longest part of the timeline, and the lead time depends on size, colour and glazing. Installation itself usually runs one to two windows per hour for retrofits, so most houses are finished in a day. We confirm the install date once the units arrive and are checked.
Not with a retrofit install, which works within the existing frame and leaves brick, siding and interior casing in place. A full-frame install does disturb the interior trim and the exterior capping around the opening, and we rebuild both. We tell you which method your opening needs before you approve the quote.
Yes. Windows are done one opening at a time so the house is never open to the weather for long, and the room is closed back up before we move to the next. We use sealants rated for cold-weather application. In severe wind or freezing rain we will reschedule rather than install a window that cannot be sealed properly.
Yes. We replace windows in offices, retail units, restaurants and apartment buildings, and work with property managers to schedule around tenants and business hours. Openings can be secured overnight if the replacement spans more than one day, so the space stays weathertight and closed up.
You get a written warranty on the parts we supply and on our labour, handed over with an itemised invoice. That covers the installation, the sealing and the hardware we fit. Manufacturer coverage on the window unit itself comes from the maker, and we register it and pass the paperwork to you.
Call and describe it, or send the details through the form. $50 off your first repair.