Images: Samsung In the twenty-five years since DPReview was founded, camera companies have tried many things to differentiate ...

It’s like X-ray vision – for heat loss. Last year, web engineer Jamie Matthews bought a thermal imaging camera. His home, in the southeast of England, was about to give up some of its secrets.

Even the highest-rated windows present an opportunity for air to infiltrate the home, but thermal curtains offer an extra layer of insulation that can help make a home more energy efficient.