John Proctor

John Proctor's Posts

Sizing Air Conditioners

To avoid callbacks, many hvac subs size air conditioners using methods that inflate the cooling load. The result is an oversized unit that cools the air, but operates inefficiently and does a poor job of reducing indoor humidity. Three energy engineers explain how to achieve proper cooling without oversizing. Read more

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Getting the Most From Mechanical Cooling

Most central air-conditioning systems, new and old, fall far short of their rated efficiency. Here’s how to install a system for top performance. Read more

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