Before
After Door and window repair
Repair before replacing.
Vosthermos replaces foggy sealed glass units, repairs hardware and extends the life of doors and windows across Greater Montreal.
15+years of experience
740+parts in stock
10 yrsealed unit warranty
24 hbusiness response
Free quoteFast response
Email required. Photos and videos are accepted to speed up the estimate.
NewCondo manager portal
Ask for a demoDigital work orders, photos, invoices and building-level follow-up.
Key services
Our most requested repairs
Sealed glass units, hardware, doors and windows — repaired by the same local team, with guaranteed work and no unnecessary replacement.
Fast diagnostic
Sealed glass unit replacement from $150
Recognize one of these problems? A targeted repair is usually all it takes — no need to replace the whole door or window.
Fog between the glass panes
Patio door hard to slide
Broken handle or lock
Drafts around windows
Torn screen
Damaged wood frame
Recent work
Before / after: real repair projects
Foggy sealed units, worn windows and tired hardware brought back to like-new condition by our technicians.
BeforeAfter
Before
AfterWindow restored
Before
AfterHardware adjusted
Integrated shop
The right part for your door or window, in stock.
Patio door rollers, handles, locks, weatherstripping and screens — order online or let our technicians install them for you.
Browse the shopHow it works
A clear 3-step process.
Send your request
Describe the issue, add a few photos if possible and tell us your area.
We confirm the solution
We check whether a repair is enough or whether a sealed unit replacement is needed.
Efficient service
The technician arrives with the right parts and leaves a clean, finished repair.
Trust
See our Google reviews What our customers say
Read their comments, and the date of each review, directly on Google.
Service areas
Serving the South Shore, Montreal and Laval
FAQ
Questions? We answer before you commit.
Do I need to replace the entire window?
Not always. In many cases, replacing the sealed glass unit, hardware or weatherstripping is enough.
How much does sealed glass replacement cost?
The price depends on the dimensions and glass type. Replacements start at $150 per installed unit.
Can I attach photos?
Yes. The quote form accepts photos and videos to help speed up the estimate.
What is the warranty on sealed glass units?
Our sealed glass unit replacements are covered by a 10-year warranty, transferable to the next owner. Labour is guaranteed 5 years.
Need a repair? Contact Vosthermos.
Free quote, fast service and guaranteed work. Add photos directly to the form to speed up the estimate.