# Vosthermos — Door and Window Repair in Quebec

> Vosthermos repairs residential and commercial doors and windows in Quebec. Founded in 2010 and based in Delson, we replace sealed glass units (thermos) and hardware, repair patio doors and French doors, restore wooden doors and windows, build custom screen doors, and handle caulking, defogging, door inserts and weatherstripping — 10 services in all. Our online store carries 740+ replacement parts. We serve 62 cities within 100 km of Delson. Sealed glass replacement carries a 10-year warranty transferable to the next owner; labour is covered for 5 years.

## Core Pages

- [Homepage — services overview and contact form](https://www.vosthermos.com/)
- [Pricing guide: the starting price of every service, in one table](https://www.vosthermos.com/prix)
- [Cities served — index of the local pages](https://www.vosthermos.com/reparation-portes-et-fenetres)
- [Online parts store](https://www.vosthermos.com/boutique)
- [Warranty terms](https://www.vosthermos.com/garantie)
- [Frequently asked questions](https://www.vosthermos.com/faq)
- [Symptom pages: what a given door or window problem means](https://www.vosthermos.com/problemes)
- [Step-by-step repair guides (tools, cost, time)](https://www.vosthermos.com/guides)
- [Technical glossary of door and window terms](https://www.vosthermos.com/glossaire)
- [Free window and door diagnostic](https://www.vosthermos.com/diagnostic)
- [Free calculators and diagnostic quiz](https://www.vosthermos.com/outils)
- [Diagnostic quiz](https://www.vosthermos.com/outils/quiz-diagnostic)
- [Sealed glass cost calculator](https://www.vosthermos.com/outils/cout-thermos)
- [Repair vs replace comparator](https://www.vosthermos.com/outils/reparer-vs-remplacer)
- [Energy savings calculator](https://www.vosthermos.com/calculateur-economies)
- [Defogging or replacement: how to choose](https://www.vosthermos.com/desembuage-ou-remplacement)
- [Patio doors and Quebec pool-enclosure rules](https://www.vosthermos.com/porte-patio-conforme-piscine)
- [OPTI-FENÊTRE program: every repair on a home in one visit](https://www.vosthermos.com/opti-fenetre)
- [Condominium and property manager services](https://www.vosthermos.com/copropriete)
- [Commercial doors and windows](https://www.vosthermos.com/commercial)
- [Completed projects](https://www.vosthermos.com/realisations)
- [About Vosthermos](https://www.vosthermos.com/pourquoi-vosthermos)
- [Contact and free estimate](https://www.vosthermos.com/contact)
- [Blog — articles and guides](https://www.vosthermos.com/blogue)
- [Documentation of the MCP server for AI agents](https://www.vosthermos.com/mcp-docs)

## Services

- [Hardware Replacement for Doors and Windows](https://www.vosthermos.com/services/remplacement-quincaillerie): parts from $4.99, installation extra
- [Sealed Glass Unit Replacement](https://www.vosthermos.com/services/remplacement-vitre-thermos): from $149/unit installed
- [Wooden Door Repair](https://www.vosthermos.com/services/reparation-portes-bois): free consultation — repairs from $75
- [Custom Screen Doors](https://www.vosthermos.com/services/moustiquaires-sur-mesure): from $25/unit
- [Door and Window Caulking](https://www.vosthermos.com/services/calfeutrage): from $8/linear foot
- [Sealed Glass Unit Defogging](https://www.vosthermos.com/services/desembuage): from $80/unit
- [Door Glass Insert Replacement](https://www.vosthermos.com/services/insertion-porte): from $200 (insert + installation)
- [Weatherstripping Replacement](https://www.vosthermos.com/services/coupe-froid): from $5/foot
- [Patio Door Repair (sliding)](https://www.vosthermos.com/services/reparation-porte-patio): from $75 (rollers installed)
- [French Door Repair (hinged)](https://www.vosthermos.com/services/reparation-porte-fenetre): from $180 (standard repair)

## Machine-readable Endpoints

- [Complete site structure (XML)](https://www.vosthermos.com/sitemap.xml)
- [Blog RSS feed](https://www.vosthermos.com/feed.xml)
- [Public JSON API: services, prices and company data](https://www.vosthermos.com/api/public/services)
- [Public JSON API for calculations](https://www.vosthermos.com/api/public/calculate)
- [Model Context Protocol server for AI agents](https://www.vosthermos.com/api/mcp)
- [Extended reference: every service, city and policy](https://www.vosthermos.com/llms-full.txt)

## Key Facts

- Founded: 2010
- Legal name: Vosthermos
- RBQ licence: 5752-5248-01
- Address: 330 Chem. Saint-François-Xavier, local 104, Delson, QC J5B 1Y1
- Phone: 514-825-8411
- Email: info@vosthermos.com
- Hours: Mon-Fri 8am-5pm • Sat 9am-1pm
- Service area: 62 cities within 100 km of Delson, QC
- Services: 10 distinct services
- Online store: 740+ replacement parts
- Warranty: 10 years on sealed glass replacement (transferable to the next owner), 5 years on labour
- Languages: French, English
- Blog author: Erik Deschênes, owner (https://www.vosthermos.com/pourquoi-vosthermos)
- Payment accepted: cash, credit card, debit card

## English Pages

- [English homepage](https://www.vosthermos.com/en)
- [Hardware Replacement for Doors and Windows](https://www.vosthermos.com/en/services/hardware-replacement)
- [Sealed Glass Unit Replacement](https://www.vosthermos.com/en/services/sealed-glass-replacement)
- [Wooden Door Repair](https://www.vosthermos.com/en/services/wooden-door-repair)
- [Custom Screen Doors](https://www.vosthermos.com/en/services/custom-screen-doors)
- [Door and Window Caulking](https://www.vosthermos.com/en/services/caulking)
- [Sealed Glass Unit Defogging](https://www.vosthermos.com/en/services/defogging)
- [Door Glass Insert Replacement](https://www.vosthermos.com/en/services/door-insert)
- [Weatherstripping Replacement](https://www.vosthermos.com/en/services/weatherstripping)

Last updated: 2026-10-16
Generated from the site source code (src/lib/llms.js) — never edited by hand.