Top Reasons Your AC Keeps Running in Berea, SC

Let’s set the scene — you sit on your couch after a hot afternoon walk, cooling off and streaming your favorite show. After bingeing a couple of episodes, you suddenly realize that your air conditioner has not cut off during that time. “Why won’t my AC turn off? It’s actually kind of chilly!”

As your trusted provider of AC services in Berea, SC, Eastergard HVAC has answers and solutions. Perpetual system cycling is often a maintenance issue, but may sometimes require repair services. Below, we’ll outline everything you should know. 

#1 Your Thermostat Can’t Communicate

Thermostats are sensitive devices that need upgrades every decade. They also require testing and calibration to ensure they correctly measure temperatures and communicate with the HVAC equipment. “Why won’t my AC turn off? Is it because of my thermostat?”

A thermostat malfunction may well cause never-ending cycles. 

• Check your settings first. You might have set your temperature preferences lower than usual or have the fan mode activated. 
• Consider a calibration service. A technician can check, clean, and test the temperature sensors and signal wires to resolve any complications. 
• You might need a new device altogether. Is your thermostat a relic of a bygone tech era? Install a new one for better, more personalized comfort. 

#2 Your Motor Fan Needs an Adjustment

Every air conditioner houses a blower motor that powers the fan to push air into the ductwork. Regular maintenance ensures the motor works perfectly. However, neglected motors can cause some performance problems.

• Relay switches close the electrical circuit when the cycle ends. A stuck relay switch causes electrical control issues as the circuit continues.
• A fan limit switch in the override position forces the fan blades to keep moving regardless of your temperature settings. 
• Fans also have speed settings that dictate how fast the blades move and how much air goes into the ductwork. If the speed is too slow, the system runs longer to reach your temperature preferences. 

#3 You Need More Refrigerant

“Why won’t my AC turn off? Are there other reasons?”

Well, let’s explore the other symptoms accompanying the long cooling cycles. Are you facing additional comfort concerns?

• The air coming from the vents feels lukewarm at best.
• The air also feels suspiciously moist.
• Sometimes, your indoor unit makes gurgling or bubbling sounds. 
• Your electricity bill costs more than you expected.

All these signs indicate dwindling refrigerant levels. You might need a simple top-off or a refrigerant line repair to stop a leak. 

#4 Some Components Are Coated in Filth

Dust buildup is a common HVAC woe for residents in Berea, South Carolina. Local summer weather brings temperatures in the low 90s with intense humidity. Many home and business owners run their air conditioners consistently throughout the day to maintain a comfortable indoor environment. 

“So, why won’t my AC turn off?” The more you use your cooling system, the higher the number of particles entering your system. This dirt will coat the air conditioner’s interior and several components, including:

• Condenser coils: The outdoor unit houses this set of coils. They release heat outside but become less efficient when insulated in debris.
• Evaporator coils: Dirty evaporator coils can’t readily soak up heat from inside, so your system runs longer to reach your settings. 
• Blower fan blades: If the fan blades get dirty, they become weighed down with debris and move more slowly.

#5 Airflow Obstructions Force the System To Run Longer

Airflow restrictions come in many forms, including the dirty components explored above. They can also manifest as filthy, old air filters or vent blockages. You can exchange the old filter for a new one and check each vent grate for obstacles blocking the moving air. 

The Above Problems Make Air Conditioner Maintenance in Berea, South Carolina, Crucial

Spring maintenance is a must for air conditioning systems in Berea, South Carolina. Each tune-up addresses most or all the listed concerns. When an HVAC technician visits your home or business, they immediately get to work by:

• Switching the air filter
• Calibrating, dusting, and securing the thermostat
• Cleaning fan blades and adjusting the switch connections
• Checking and topping off your refrigerant supply
• Wiping the coils free of dust
• Inspecting your ductwork for buildup and unseen obstructions