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 ...

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 ...

Air conditioner cleanliness is a buzzy topic right now. Midea recently recalled its entire line of U-shaped ACs due to mold growth, and many are wondering what's lurking inside their units. If you're ...