Air Conditioning seems mundane because it's ubiquitous – but because it's ubiquitous, its impact is astonishing. If you took air conditioning out of the picture, there might not be such thing as the California energy crisis. Listen to John Proctor offer expert advice on KQED.

In this QUEST KQED broadcast, Proctor Engineering offers its expertise in AC efficiency for summer months. QUEST on KQED Public Media.

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