The sounds of our home appliances have a funny way of fading into background noise. The churn of the dishwasher, the tumbling of the clothes dryer, and the white noise of an air conditioner can even be soothing! So, it makes sense for an unfamiliar noise to be startling and concerning. If you’re reading this blog, you’ve likely narrowed down the clangs, buzzing, or screeching to your heater or air conditioner. Before we go any further, we need to be clear: any unfamiliar sounds from your heater or air conditioner are a sure sign that you need a repair. Heating and cooling equipment should operate quietly. So if your HVAC unit is sounding more like a… unique… instrument, it’s important to call a trained professional to investigate. Even if your unit is still cooling or heating your home, these funny sounds are an audible cue that there is a problem. And these seemingly insignificant problems don’t go away – they persist, and often develop into major problems. When you reach out to a professional for repair, it’s helpful to share whether the sound happens all the time while the unit is running or if it is sporadic. In this article,