What Causes An AC Unit To Short Cycle?

Does your air conditioner turn on and off more frequently than normal? You’re probably wondering, “What causes an ac unit to short cycle?”

As a trusted provider of AC repair in Dallas, TX, Fast Response Heating & Cooling is here to help you understand and resolve the issue. With extensive experience and state-of-the-art equipment, you can trust us to tackle any challenge.

What Does It Mean For An AC Unit To Short Cycle?

With sweltering summers that often exceed 100 degrees, Dallas residents rely on their air conditioners to stay cool and safe. Short cycling occurs when an air conditioner frequently turns on and off, regardless of your home’s temperature.

This can severely impair your HVAC system’s ability to cool your home. If you notice a lack of cool air, it’s essential to seek immediate help. Fast Response Heating & Cooling is dedicated to ensuring the comfort and safety of every Dallas resident.

What Causes Short Cycling In Your Air Conditioner?

If your AC unit isn’t maintaining a consistent temperature, it’s likely due to one of the following issues:

Dirty Air Filter

A dirty air filter is one of the most common and easily solvable problems an air conditioner can have. A clogged filter restricts airflow, causing the unit to overheat and shut off, only to restart once it cools down. To prevent this, change your air filter at least once a month, or more frequently if you have pets or smokers in the home.

Refrigerant Problems

Low refrigerant levels can also cause short cycling. Refrigerant is crucial for cooling your home by transferring warm air outside. When levels are too low, the AC struggles to cool, leading to overheating and short cycling. Only a qualified HVAC technician should handle refrigerant refills due to its toxic nature and the need for proper disposal.

Thermostat Issues

Sometimes the issue lies with the thermostat. Common thermostat problems include:

Poor calibration: Ensure your thermostat accurately reads the room temperature by calibrating it yearly during maintenance.
Battery issues: Weak batteries can impair the thermostat’s ability to read the temperature or communicate with the AC unit. Check and replace batteries as needed.
Poor placement: Avoid placing your thermostat in direct sunlight or near heat sources, as this can cause inaccurate readings and frequent cycling.

Frozen Coils

Frozen evaporator coils can also cause short cycling. These coils release hot air outside, and when frozen, they can overheat the system. Despite the hot Dallas climate, evaporator coils can still freeze, signaling a serious issue.

Improper Size

An oversized air conditioner can cool your home too quickly, leading to frequent short cycling. This not only wastes energy but also increases your utility bills. Investing in an appropriately sized, energy-efficient AC unit can mitigate this problem.

Electrical Problems

Loose electrical connections can cause your AC to receive intermittent signals, resulting in rapid on-and-off cycling. An HVAC technician can diagnose and fix any electrical issues.

Fast Response Heating & Cooling Is Here To Fix Your Air Conditioner

Understanding what causes short cycling in an AC can help you address the issue promptly. Whether it’s wiring problems or the need for a more energy-efficient model, Fast Response Heating & Cooling is here to provide solutions.

To get answers to all your questions or to schedule an appointment, call us at 945-292-3188.