Is there a window that's both triple-pane for energy and also hard to break into?

Yes, you can get triple-pane windows with enhanced security features that provide both excellent energy efficiency and break-in resistance. The key is combining the right glass technology with proper frame construction.

Security-enhanced triple-pane windows typically feature laminated glass in at least one of the three panes. Laminated glass has a plastic interlayer (usually PVB - polyvinyl butyral) that holds the glass together even when broken, making it much harder to penetrate. When someone tries to break laminated glass, it spider-webs but stays in the frame rather than creating an opening. This is the same technology used in car windshields.

For Ottawa homes, the most practical approach is triple-pane windows with laminated glass on the interior pane. This gives you the thermal performance needed for our Climate Zone 6 winters (U-factor of 0.20 or better) while providing security benefits. The outer two panes handle the primary insulation duty with Low-E coatings and argon fill, while the inner laminated pane acts as your security barrier.

Frame security is equally important - look for multi-point locking systems, reinforced sash corners, and quality hardware. Vinyl and fiberglass frames can be internally reinforced with steel or aluminum for added strength. Casement and awning windows generally offer better security than single and double-hung windows because their locking mechanisms engage at multiple points around the frame.

The cost premium for security laminated glass is typically $100-200 per window over standard triple-pane. For ground-floor windows and easily accessible upper windows, this investment makes sense for both security and safety (laminated glass also provides better sound reduction and UV protection).

For a security assessment of your specific home and window recommendations, Ottawa Window Pros can evaluate your needs during a free consultation and suggest the best combination of energy efficiency and security features.