Thermal cameras can spot problems you can't see - what I've learned after years of testing - ZDNET

Thermal cameras have saved me thousands over the years. Just the other day, one simple check saved me $1,000.

Adrian Kingsley-Hughes/ZDNET
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ZDNET's key takeaways
<ul><li>Thermal cameras don't have to cost thousands (but they can).</li><li>Thermal camera…