How do I check if a window installer in Ontario actually has proper insurance?

In Ontario, you should verify both WSIB coverage and general liability insurance before hiring any window installer. This protects you from financial liability if workers are injured or property damage occurs during installation.

WSIB (Workplace Safety and Insurance Board) verification is your first step. Visit wsib.ca and use their "Check Coverage" tool to confirm the contractor has active WSIB coverage. You'll need their business name or WSIB account number. WSIB protects you from liability if a worker is injured on your property - without it, you could be personally liable for medical costs and lost wages.

General liability insurance covers property damage during the work. Ask the installer for a Certificate of Insurance showing at least $2 million in general liability coverage. The certificate should be current (not expired) and list your property address if it's a large project. Don't accept just a business card or verbal assurance - legitimate contractors readily provide insurance documentation.

Additional verification steps include checking their Ontario business registration through the government's business registry, confirming any trade licenses if required for your specific project, and asking for recent customer references. In Ottawa's climate, proper installation is critical for energy efficiency and preventing moisture issues, so working with properly insured professionals protects both your investment and your home.

Red flags include contractors who can't immediately provide insurance information, offer significantly below-market pricing, or pressure you to sign contracts immediately. Any professional installer should carry WSIB coverage and liability insurance - ask for both certificates and confirm they are current before work begins.

For peace of mind on your window replacement project, always verify insurance coverage before work begins. Want to compare quotes from local installers? Request a quote from Ottawa Window Pros for your window installation needs.