HVAC turning on and off too often?
Let’s check for short cycling.
Which system is turning on and off?
FAQs
▶What does short cycling mean?
Short cycling means your HVAC system turns on and off too quickly or too frequently instead of running a normal cycle.
▶Is short cycling bad for my HVAC system?
Yes. Short cycling can increase wear, reduce comfort, raise energy use, and may point to airflow, thermostat, refrigerant, electrical, or sizing issues.
▶Can a dirty filter cause short cycling?
Yes. A dirty filter can restrict airflow, cause overheating or freezing, and make the system shut down early.
▶Can an oversized system short cycle?
Yes. Oversized equipment may satisfy the thermostat too quickly without properly dehumidifying or distributing air.
▶When should I call for service?
If short cycling continues after checking the filter and thermostat, or if you hear buzzing, see ice, or notice weak airflow, schedule a diagnostic visit.