3 Signs Your AC Unit Needs Servicing

August 12, 2025

As the seasons change, ensuring that your air conditioning unit is in top-notch condition is crucial for maintaining a comfortable indoor environment. An efficient AC system not only provides cool air but also ensures energy efficiency and longevity of the unit. However, just like any other home appliance, your AC unit requires regular maintenance and servicing. Recognizing the signs that indicate your AC unit needs servicing can prevent bigger, costlier problems down the road. Getting in touch with an HVAC company should be the first consideration if you encounter these signs.


1. Identifying Inconsistent Cooling

One of the first signs that your AC unit might need servicing is inadequate cooling. If you notice that the appliance is running constantly but your home is still uncomfortably warm, it's a sure indicator that something is amiss. This could be due to issues such as blocked filters, low refrigerant levels, or even a malfunctioning compressor. Addressing these problems early can save energy and extend the life of your AC unit.


2. Hearing Abnormal Noises

Another sign to watch out for is strange noises coming from your air conditioning system. According to Today’s Homeowner, a typical AC unit has a sound level ranging from 40–60 decibels, which is comparable to the sound of a refrigerator running. However, if your AC unit is making abnormal sounds like screeching, hissing, or clunking, it likely has a problem that needs addressing. Such noises could signify anything from minor issues like loose parts to more serious concerns such as a failing motor, all of which require prompt servicing.


3. Detecting Foul Odors

Unusual odors emanating from your AC unit are a clear signal that something is wrong. Musty smells could indicate mold or mildew inside the unit or ductwork, often stemming from moisture buildup. Meanwhile, a pungent or electrical odor could indicate burnt wiring or components, which pose a potential fire hazard. Prompt attention to these olfactory cues can prevent health risks and further damage to the unit and your home.


Recognizing the early warning signs that your AC unit needs servicing can save you money and maintain household comfort year-round. Regular maintenance not only extends the lifespan of your air conditioning system but also ensures optimal performance, efficiency, and safety. Don't wait for an AC malfunction on a hot summer day – be proactive by addressing these signs and scheduling regular check-ups with a professional HVAC technician. If you're looking for a reliable HVAC company, contact Schmitt Refrigeration, Air Conditioning & Heating Inc today!


3 Signs Your AC Unit Needs Servicing
air conditioning services
May 12, 2025
Check out our post to learn about a few instances when you should consider hiring air conditioning services. Contact us today to get started!