Top 5 Signs Your HVAC System Needs Maintenance
- Faust Heating & AC Co. Inc.

- Aug 13
- 3 min read
As a homeowner or commercial business owner, it's essential to ensure your heating, ventilation, and air conditioning (HVAC) system is in peak condition all year round. Regular maintenance not only prolongs the lifespan of your equipment but also increases energy efficiency and comfort. At Faust Heating, Cooling & Electric, we want you to be proactive when it comes to your HVAC system. Here are the top five signs that indicate your HVAC system may need maintenance.

Inconsistent Temperatures Throughout Your Home or Business
If you've noticed that certain rooms are warmer or cooler than others, it could be a sign that your HVAC system isn't functioning properly. Irregular temperatures can result from several issues, such as: - Blocked or dirty air filters - Leaky ductwork - Imbalanced air distribution
Actionable Insight:
Check your air filters monthly and replace them as needed. Clean or inspect your ductwork for any visible damage or blockages. If the problem persists, it’s wise to call a professional to assess your system.
Increased Energy Bills
A sudden spike in your energy bills can often indicate that your HVAC system is working harder than it should. Causes for increased energy consumption might include: - Inefficient units due to lack of maintenance - Failing parts (e.g., a malfunctioning compressor) - Poor insulation in your home or business
Actionable Insight:
Monitor your monthly energy expenses. If you see an unexplained increase, investigate further. Regularly scheduled maintenance can help ensure your unit operates efficiently and stays energy-efficient.
Unusual Noises or Odors
Pay attention to any strange sounds or smells coming from your HVAC system. Common issues may be indicated by: - Noises: Banging, squealing, or hissing sounds can suggest loose parts or failing components. - Odors: A Burning smell might indicate electrical issues or overheating, while musty or moldy odors often point to moisture problems.
Actionable Insight:
If you hear or smell something unusual from your unit, don't ignore it. Turn off the system and contact a professional technician to diagnose and resolve the problem before it escalates.
Frequent Cycling On and Off
If your HVAC system seems to be running in short bursts—cycling on and off more frequently than usual—this could be a sign of: - A malfunctioning thermostat - Clogged filters or refrigerant issues - Electrical issues within the system
Actionable Insight:
Check the thermostat settings and ensure it’s functioning correctly. If the cycling persists, you may need to call an expert for a thorough examination of your HVAC system.
Age of Your HVAC System
The age of your HVAC unit plays a significant role in its functionality. Most HVAC systems have a lifespan of around 10 to 15 years. If your unit is approaching or has surpassed this age, it's essential to have it inspected regularly. Old systems may not only operate less efficiently but can also lead to costly repairs.
Actionable Insight:
Schedule a maintenance check-up at least once or twice a year, especially as your system gets older. Being proactive with an older system can save you from unexpected breakdowns and costly replacements.
Recognizing these signs early can save you time, money, and hassle down the line. Regular maintenance of your HVAC system can significantly improve its efficiency and lifespan, ensuring your home or business remains comfortable all year long.
At Faust Heating, Cooling & Electric, we specialize in providing comprehensive HVAC maintenance services. Don’t wait until it's too late; contact us today to schedule your maintenance check and enjoy peace of mind knowing that your system is in expert hands.




