As the summer heat intensifies, your HVAC (Heating, Ventilation, and Air Conditioning) system works hard to keep your home cool and comfortable. However, just like any other mechanical system, HVAC units can encounter problems. Learn five common HVAC problems to watch out for during the summer months and tips on preventing and addressing them.

Common Problems      

  • Insufficient Cooling or Weak Airflow 

    One of the most noticeable problems during the summer is insufficient cooling or weak airflow from your HVAC system. This issue can be caused by various factors, such as a clogged air filter, malfunctioning compressor, or dirty condenser coils. To prevent this problem, regularly clean or replace your air filters, remove debris from around the outdoor unit, and schedule professional maintenance from the experts to clean the condenser coils and check the compressor’s functionality. 

  • Refrigerant Leaks 

    Refrigerant is essential for the cooling process in your HVAC system. If there is a refrigerant leak, your unit’s efficiency will decrease, and it may struggle to cool your home adequately. Signs of a refrigerant leak include ice buildup on the evaporator coils or a constant need for recharging the refrigerant. If you suspect a refrigerant leak, contact the experts to identify and repair the leak and recharge the refrigerant to its proper levels. 

  • Electrical Issues 

    Electrical problems can affect the performance of your HVAC system. Common electrical issues include faulty wiring, blown fuses, or tripped circuit breakers. If your HVAC system is not receiving power or experiences intermittent failures, it may indicate an electrical problem. Check your circuit breakers and fuses to ensure they are functioning correctly. However, electrical issues can be dangerous, so it’s best to consult a qualified HVAC technician to diagnose and repair any electrical problems to avoid potential hazards.  

  • Frozen Evaporator Coils 

    Frozen evaporator coils can result from restricted airflow or low refrigerant levels. When the coils freeze, your HVAC system will struggle to cool your home efficiently. If you notice reduced airflow or warm air coming from your vents, check for ice buildup on the evaporator coils. To prevent frozen coils, ensure proper airflow by keeping vents open and unobstructed and change your air filters regularly. If the problem persists, contact the experts to diagnose and address the underlying cause, which may involve cleaning coils, adjusting refrigerant levels, or fixing airflow restrictions. 

  • Thermostat Malfunctions

    A malfunctioning thermostat can disrupt the temperature control in your home. If your HVAC system fails to turn on or off as programmed, or if there are temperature inconsistencies between different areas of your home, it could indicate a faulty thermostat. First, check the batteries and ensure they are functional. If the issue persists, consider recalibrating or replacing the thermostat. Upgrading to a programmable or smart thermostat can also provide more accurate temperature control and energy efficiency.  


By being aware of these common HVAC problems and taking preventive measures, you can minimize the risk of your system encountering issues during the summer. Regular maintenance, including cleaning or replacing air filters, scheduling professional inspections, and promptly addressing any problems, will help keep your HVAC system running smoothly and ensure a comfortable indoor environment throughout the summer season. 


Contact Us

If you’re in need of any assistance with your HVAC units or need a repair, don’t hesitate to contact the experts at Bronco. We’re here to help keep your plumbing, heating and cooling systems in tip-top shape.