Top 5 Window Installers
in Laval
We compared 5 Window Installers serving Laval, Quebec using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Thermos-pane replacement, Window defogging, and Window reconditioning.
≈ Laval’s featured window installers have a FiveBest Score in line with the Quebec benchmark.
For window projects in Laval, Basco Portes et Fenêtres documents thermos-pane replacement, defogging, reconditioning, caulking, insect-screen installation and repairs to parts, weatherstripping and mechanisms. This makes it particularly relevant when existing windows may be restored or repaired instead of fully replaced.
Thermos-pane replacement · Window defogging · Window reconditioning
ÉLIT TECH Portes Et Fenêtres provides window sales and installation for residential renovation projects across the greater Montréal area, including Laval's North Shore market. The company documents PVC and hybrid PVC-aluminum windows, including casement, sliding and fixed models, with finishing options such as colours and mouldings.
Window sales and installation · PVC window installation · Hybrid PVC-aluminum window installation
Detailed FiveBest Research is not yet available for this business.
Detailed FiveBest Research is not yet available for this business.
Detailed FiveBest Research is not yet available for this business.
Laval window installers are in line with the Quebec benchmark
Featured window installers in Laval have a median FiveBest Score™ of 77/100, compared with 77/100 for featured window installers across Quebec.
Among nearby FiveBest markets, window installers in Montreal (82/100) and window installers in Terrebonne (82/100) score higher, while Blainville (74/100) scores below Laval.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched Window Installers in Laval
FiveBest reviews publicly available information for Window Installers serving Laval.
- Google rating and review history
- Documented services
- Years in business when available
- Laval and surrounding service coverage
- Business website and online presence
- Independent reputation signals when available
Research last updated: September 2026
Typical Window Installation Price Ranges
Price ranges are based on typical industry averages. Actual costs may vary depending on window type, size, material, glazing, energy-efficiency options, frame condition, installation method, finishing work, labour and local market conditions.
- Standard window replacement $700–$1,500/window
- Large window $1,500–$4,000+
- Bay/bow window $3,000–$8,000+
- Full home windows $10,000–$35,000+
- Installation labour Varies by access
Common Services
- Window installation in Laval
- Window replacement in Laval
- Residential window installation in Laval
- Replacement windows in Laval
- Energy-efficient windows in Laval
- Vinyl window installation in Laval
FiveBest Match™
Coming SoonFiveBest Match™ will soon help you compare businesses based on your specific needs.
FiveBest Match™ — Coming Soon 🔒How to Choose a window installer in Laval
Compare window installation companies in Laval for replacement windows, new installations, energy-efficient windows, vinyl windows, frames, glass options and complete residential projects. FiveBest helps homeowners compare selected local window installers based on relevant services, reputation and local presence.
Compare selected window installers in Laval for replacement windows, new window installation, energy-efficient windows, frames, glass options and complete residential installation.
Review frame material, glazing, operation style, energy-performance ratings and options rather than comparing price alone.
Ask whether the project uses insert or full-frame replacement and how openings, flashing, insulation and sealing will be handled.
Confirm removal, disposal, interior and exterior finishing, trim, caulking and any repairs to existing openings.
Compare product, sealed-unit, hardware and installation workmanship warranties.
For altered openings, egress windows or other significant changes, ask whether permits or approvals may be required.
Ask who performs final measurements, expected product lead time and installation schedule.
What Affects Window Replacement Costs
- Number and size of windows
- Window style
- Frame material
- Double or triple glazing
- Energy-performance options
- Insert versus full-frame installation
- Condition of existing openings
- Interior and exterior finishing
- Custom sizes and shapes
- Product lead time
Questions to Ask a Window Installer
- What exact window model and glazing are included?
- Is this an insert or full-frame replacement?
- How will the opening be insulated, flashed and sealed?
- Are removal, disposal and finishing included?
- Who takes the final measurements?
- What energy-performance ratings apply?
- What product and installation warranties are included?
- Are any permits or approvals relevant to the planned openings?
Frequently Asked Questions
Window installation costs in Laval depend on the number and size of windows, frame material, glazing, energy-efficiency features, existing openings, frame condition, installation method and finishing work. Request an estimate based on the specific windows and property.
Replacement may be worth considering when windows are damaged, difficult to operate, allowing noticeable drafts or water infiltration, or when frames and seals have deteriorated. A contractor can assess whether repair or replacement is more appropriate.
The right window depends on the opening, architectural style, ventilation needs, maintenance preferences, energy performance and budget. Common options include casement, awning, sliding and fixed windows.
Energy-efficient windows can improve comfort and reduce heat transfer when the window, glazing and installation are appropriate for the home and climate. Compare glazing, frame construction, ratings and installation quality rather than relying on one feature alone.
Project duration depends on the number of windows, accessibility, existing frame condition, installation method and finishing work. A contractor can provide an estimated schedule after measuring and inspecting the openings.
Compare experience, window products, measurements, installation methods, energy-performance options, frame and sealing work, written estimates, warranties and recent local reviews.