Reasons Your Unit Keeps Cycling on and Off

By Joshua Domond

Air conditioning system

Are you frustrated by your air conditioner’s constant cycling? Aside from being annoying, it might indicate something’s not quite right. Find out why your AC unit behaves this way and how to take care of it. 

AC unit of a house

Dirty Air Filters 

When filters become clogged with dust and debris, airflow is restricted and causes the system to overheat and cycle more frequently. Remember to clean or replace your filters according to manufacturer recommendations to ensure optimal airflow and efficiency. 

Refrigerant Leaks 

If refrigerant levels are insufficient, the system may struggle to maintain proper temperature, resulting in frequent on-off cycles. Professional inspection and repair are necessary to fix leaks, recharge refrigerant levels, and prevent further cycling issues. 

Thermostat Issues 

Incorrect temperature settings or malfunctioning thermostats may trick the system into turning on and off. Troubleshooting thermostat problems and seeking professional assistance can help resolve this issue and achieve accurate temperature control. 

Electrical Problems 

Electrical issues such as faulty wiring or capacitor problems can also contribute to cycling problems. Never attempt to fix electrical problems yourself, as it can lead to electric shock, fire hazards, and further damage to the AC unit. 

Improper Unit Sizing 

Lastly, when an AC unit is too large, it cools the space quickly and causes premature shutdowns, while an undersized unit struggles to cool and trigger continuous operation. 

Both scenarios result in frequent cycling as the system tries to maintain the desired temperature, increasing energy consumption and wear on the unit. 

AC unit outside

Want to Get Your AC From Faulty to Flawless? 

If you’re facing cycling issues with your AC unit, contact Hi-Tech Plumbing & Air Electrical for expert repair, maintenance, and installation services. Call us today!