The Candle Test That Reveals Your Home’s Hidden Energy Crisis—Even During Heatwaves

The Candle Test That Reveals Your Home's Hidden Energy Crisis—Even During Heatwaves

A flickering candle flame can expose dangerous gaps in your home’s insulation that cost you money every season. What homeowners discover when testing their windows during a heatwave is shocking: the same leaks letting cold in during winter are pumping hot air inside during summer. Learn the low-tech diagnostic that specialists rely on and how to fix it.