Short cycling occurs when your air conditioner turns on and off repeatedly within a short period of time. It is a major red flag that something is not right with your system. This constant starting and stopping does more than cause an annoyance; it actually puts a massive strain on your equipment and sends your electricity bill through the roof. The good news is that there are easy solutions to these issues that can restore your comfort.
Dirty Filters and Choked Airflow
Airflow problems can certainly cause short cycling to occur. A dirty air filter will hinder circulation because air will not be able to get through the mesh. Because warm air cannot get through to balance things out, the coils freeze. The safety switch flips to shut off the compressor to protect the system from damage. Changing out your filter is a quick fix that lets your system breathe deeply and run for the full cycle it was intended to complete. Experts recommend that you check your filter once each month and change it if it appears dirty.
The Problem With Low Refrigerant Levels
Refrigerant is the lifeblood of your cooling system. For your system to work optimally, it is supposed to stay inside a sealed loop forever. However, tiny pinhole leaks can develop in the copper lines over time. This causes the pressure inside the system to drop. Your air conditioner uses a low-pressure sensor to monitor these levels. If the pressure dips too low, the sensor kills the power to protect the compressor motor. The system might try to restart once the pressure stabilizes slightly, leading to that stuttering on-and-off rhythm you hear. If you see ice forming on the outdoor refrigerant lines or hear a faint hissing sound near the unit, you are likely dealing with a leak. You cannot go and “top off” the fluid yourself because a professional must find and seal the hole to stop the cycle for good.
Oversized Units and Poor Thermostat Placement
Sometimes, the problem may not be with your system components at all. Mistakes in the original setup can lead to short cycling, such as choosing a system that is too large or incorrect thermostat placement. Working with a licensed professional to choose the correct system for your home and relocate your thermostat to an interior wall will resolve this issue.
Do not let short cycling negatively impact your comfort. Call Dallas Plumbing & Air Conditioning for AC replacement or repair services so that you can beat the Dallas, TX heat.
