WHY DOES MY HVAC SYSTEM KEEP TURNING ON AND OFF (SHORT CYCLING)?   Homeowners across North Texas frequently report a frustrating issue known as short cycling, where an HVAC system turns on and off repeatedly without completing a full cooling or heating cycle. According to industry technicians, this behavior is often caused by underlying problems such as clogged air filters, low refrigerant levels, thermostat malfunctions, or an oversized unit that cools the home too quickly…