Are triple pane windows worth the investment? Our HVAC experts reveal the pros, cons and the value they can add to your home

A mid-century modern style arm chair on casters on the corner of a thin area rug, on top of a light wooden floor. The back corner of a couch visible in the foreground, with a small round metal table beside it. large floor-to-ceiling windows in the background. .

While it's highly likely you've heard of double glazing – window made with two panes of glass separated by an air gap for insulation – you may be less familiar with triple pane windows.

These instead feature three panes of glass with two air gaps, boosting the insulating properties, and helping to keep a home warm and cozy without contributing to energy bills.