
Local service
Thermos replacement in Ahuntsic-Cartierville
Your glazier in Ahuntsic-Cartierville for thermos glass replacement: we replace only the sealed unit in your existing frame — custom glass, free diagnosis, transparent pricing.
Local expert
Your thermos specialist in Ahuntsic-Cartierville
Fog between the panes means the seal on your sealed unit has failed. In Ahuntsic-Cartierville, proximity to the Rivière des Prairies increases humidity and accelerates the aging of sealed units, from large bungalow picture windows to older plex windows.
Good news: replacing the whole window is rarely necessary. We replace only the faulty sealed unit within the existing frame, with custom glass cut to your exact dimensions.
Custom glass for non-standard dimensions, free diagnosis, transparent pricing from $150.

Local context
Ahuntsic-Cartierville: plexes, cottages and tree-lined streets
This borough has two distinct faces. Around Fleury Street and along Saint-Laurent Boulevard, brick duplexes and triplexes with balconies set the tone. Head toward Cartierville and Bordeaux and the tree-lined streets are home to cottages and bungalows with wide picture windows. Many of these windows were fitted with sealed units during an earlier renovation, and it's those thermos units that are now showing their age, with haze or streaks trapped between the panes.
Under a thick canopy, glass dries slowly after rain and gets little direct sun, so the seal around the unit sits in damp conditions for long stretches. The usual symptom is a milky film or white residue between the panes. We don't try to defog a failed unit; we build a new one. On a shaded, north-facing wall, double glazing with Low-E and argon keeps the inner pane warmer and helps cut condensation on the room side.
Upper flats in plexes are often reached by an outdoor staircase, sometimes a winding one, so keep it clear, especially in winter, since sealed units are carried in by hand. Street parking near the shops on Fleury can be tight; a spot in your driveway or the back lane makes the visit easier. If several flats in the same building have foggy windows, bundle them all into a single quote request.
Areas served
- Ahuntsic
- Cartierville
- Bordeaux
- Sault-au-Récollet
- Nouveau-Bordeaux
- Saraguay
Why it happens here
Ahuntsic-Cartierville: why your windows fog up
Plexes near Fleury
Brick duplexes and triplexes, often retrofitted with thermos units that are now tired.
Tree-shaded streets
Shade and lingering moisture put extra strain on seals on north-facing walls.
Cottage picture windows
Large Cartierville windows rebuilt to size in double or triple glazing.
Multi-unit buildings
Group foggy windows from every flat in the building into one quote.
Our services
Our services in Ahuntsic-Cartierville
Thermos replacement
We replace the failed sealed unit inside your existing frame — no need to change the whole window.
Learn moreFoggy glass / condensation between panes
Diagnosis of permanent fogging between panes and sealed unit replacement.
Learn moreGlass & window repair
Broken or cracked glass? Fast on-site glass replacement, all sizes.
Learn moreDouble & triple glazing
Upgrade your insulation with a double or triple argon-filled sealed unit.
Learn morePatio door & French door
Sealed unit replacement for your sliding and French doors.
Learn moreCustom glass & mirrors
Custom-cut glass and mirrors for all your applications.
Learn moreCommercial glazing
Glazing solutions for shops, offices and buildings across Greater Montreal.
Learn moreNeighbouring areas
We also serve nearby areas
Simple and fast
How it works in Ahuntsic-Cartierville
Call or photo
Send a photo of your foggy window or call us — we'll guide you.
Diagnosis & measurement
We measure your sealed unit and confirm the diagnosis, free of charge.
Custom fabrication
Your sealed unit is custom-made and ready within 24 to 72 hours.
Guaranteed installation
Clean installation with a written warranty included.
FAQ
Questions about Ahuntsic-Cartierville
Do you serve Ahuntsic-Cartierville?
Yes, we work throughout the borough, from Cartierville to the banks of the Rivière des Prairies. Diagnosis and travel are free.
What are the timelines in Ahuntsic?
Diagnosis and measurement are done quickly on site, then your sealed unit is custom-made within 24 to 72 hours.
Do you replace the large windows of bungalows?
Yes, we custom-cut glass to the exact dimensions of your large picture windows and install it in the existing frame.
Can you replace the thermos in a second-floor plex window?
Yes. We measure the unit on site, have it custom-made in 24 to 72 hours, then come back to install it in your existing frame. Just tell us which floor it's on and whether access is by an inside or outside staircase when you ask for a quote.
My house near Rivière des Prairies fogs up every fall. Is it the thermos?
If the moisture is on the room side and wipes off, it's mostly indoor humidity. If it's between the panes and won't wipe away, the seal has failed and the sealed unit needs replacing, since we don't offer defogging.

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