A versatile new cleaning tool simplifies air conditioning system maintenance and diagnosis. This wand-shaped tool, Lisle No. 88800, eases the potentially awkward job of cleaning a vital heat exchanger ...

The condenser is the most underrated component in an air conditioning or refrigeration system. Besides being a simple heat exchanger, the condenser has to desuperheat, condense, and subcool ...

Air conditioning is a gift from the gods—without it we’d all suffer many sleepless nights and miserable sweaty days during the summer months. Alas, like all appliances, air conditioners will let you ...

I asked my neighbor who hoses off his air conditioner condenser every spring why he does it. “Because my dad always told me I had to,” he said. Conventional wisdom like what my neighbor’s dad imparted ...

Like any piece of machinery or machine component, air-conditioning coils work better, and last longer, when properly cared for. That means regularly cleaning indoor and outdoor a/c coils, plugging ...