By: Douglas Trattner

Is your AC making ominous noises? Maybe it sounds fine but isn’t cooling. Here’s a list of common air conditioning warning signs and their likely causes and fixes.

“Let comfort be your guide,” says Tom Hutchinson of Hutchinson Plumbing Heating Cooling. Air conditioning is all about comfort, so the simplest way to evaluate your system is to ask: Am I comfortable?

Air conditioning and HVAC units don’t last forever — 12 years is an average lifespan — and the moment they fail is usually when you need them the most.