3 HVAC Noises That Are Cause for Concern
You can’t always expect your Solon, OH home’s HVAC system to be whisper-quiet. With age, heaters and air conditioners tend to get louder. After a decade or more, what was once a gentle hum can turn into a continuous thrumming sound throughout a heating or cooling cycle. However, there are three HVAC noises that should raise concern. 1. Hissing at the Compressor “When HVAC systems emit a hissing sound, it’s often a sign of high pressure or significant refrigerant loss. If you notice hissing from your air conditioner’s outside compressor, it’s crucial to turn off your HVAC system. Running an air conditioner with little or no refrigerant can damage or even cause the compressor to fail. In some cases, AC compressors can produce screeching or screaming noises if they have too much refrigerant, usually resulting from improper recharge services. While these sounds can be alarming, they serve as clear warnings to seek professional assistance.” 2. Scratching, Scuttling Sounds Scratching and scuttling sounds in your HVAC system are cause for concern as they often indicate the presence of rodents like rats or mice, raccoons, or even insects. These pests can enter your ductwork or other HVAC equipment, leaving behind feces, exoskeletons,...
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