Guide offers ways to spot heat escaping from a home

Summary

The Guardian outlines ways to identify heat loss in a home, including checking for draughts with a candle or smoke pen on a breezy day while the house is at its usual temperature, or using a thermal leak detector.

Timeline

1. The Guardian

   14 Oct 2026, 06:00 UTCSource ↗

   The Guardian suggests checking for draughts with a candle or smoke pen, or using a thermal leak detector, to spot heat loss in a home.