Thermostats | Ask This Old House | Ask 25 Best of

In this video, what could have changed about thermostats over the last 25 years? More than you might think, and our crew has covered much of that evolution along the way.

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Over the past 25 seasons, host Kevin O’Connor, plumbing and heating expert Richard Trethewey, and building engineer Ross Trethewey have talked about thermostats

Video by: This Old House · Watch on YouTube