1 (865) 388-1712     jcsheatingandair1@gmail.com

Why Your Air Conditioning Unit Isn’t Cooling

Jun 14, 2024 | Air Conditioning Repair Service

air conditioning

air conditioningSummer’s here, and your air conditioning unit decides to take a break. So, it’s a frustrating scenario, especially when the heat is relentless. Understanding the reasons behind this issue can save you time, money, and a lot of discomfort. Here’s a comprehensive look at the common reasons why your air conditioning unit might not be cooling effectively.

Common Air Conditioning Problems

Thermostat Issues

The thermostat is the brain of your air conditioning system. If it isn’t set correctly, your AC won’t cool as expected. Therefore, ensure it’s set to ‘cool’ mode and the temperature is set lower than the current room temperature. Sometimes, the thermostat might be faulty or need new batteries. Consequently, a quick check can resolve this issue.

Dirty Air Filters

One of the most common reasons for an AC not cooling properly is a dirty air filter. Over time, dust and debris accumulate on the filters, restricting airflow. So, this makes your unit work harder, reducing its efficiency and cooling capacity. Regularly cleaning or replacing the air filters can significantly improve your AC’s performance.

Refrigerant Levels

Refrigerant is the lifeblood of your air conditioning system. It absorbs the heat from your home and expels it outside. If there’s a leak or the levels are low, your AC won’t cool effectively. Moreover, you’ll need a professional to check the refrigerant levels and fix any leaks.

Blocked Condenser Unit

The condenser unit, usually located outside, needs to be free of obstructions to function properly. Debris like leaves, dirt, and even plants can block the airflow, causing the air conditioning in Knoxville TN to lose its cooling efficiency. So, regularly check and clean the area around the condenser unit to ensure it’s clear.

heating and air conditioningFaulty Compressor

The compressor is a critical component of your AC system, responsible for circulating refrigerant between the evaporator and condenser coils. If the compressor is faulty, the cooling cycle is disrupted. Therefore, this issue often requires professional repair or replacement, as it’s not a DIY fix.

Leaking Ducts

Air ducts distribute cooled air throughout your home. If there are leaks or holes in the ducts, the cool air escapes before it reaches your living spaces. Consequently, inspect your ducts for any visible leaks and seal them to improve cooling efficiency. Sometimes, professional duct sealing might be necessary for more extensive leaks.

Evaporator Coil Issues

The evaporator coil absorbs heat from the air inside your home. If it’s frozen or dirty, it can’t effectively remove heat, leading to poor cooling. Ice on the coil usually indicates a problem with airflow or refrigerant levels. Therefore, a dirty coil can be cleaned, but if it’s frozen, you might need to call a professional air conditioning contractor in Knoxville TN to investigate further.

Electrical Problems

Sometimes, the issue isn’t with the AC unit itself but with the electrical system. Blown fuses, tripped circuit breakers, or faulty wiring can prevent your AC from functioning properly. So, check your electrical panel and reset any tripped breakers. If the problem persists, you may need an electrician.

Insufficient Maintenance

Regular maintenance is crucial for keeping your AC in top condition. Neglecting routine checks and servicing can lead to a buildup of minor issues that eventually affect the unit’s performance. So, scheduling annual maintenance with a professional air conditioning contractor can prevent many common problems and keep your AC running smoothly.

Age of the Unit

Air conditioning units aren’t designed to last forever. If your unit is over 10-15 years old, it might be time for a replacement. Therefore, older units are less efficient and more prone to breakdowns. Investing in a new, energy-efficient model can provide better cooling and lower energy bills in the long run.

Thermostat Placement

Where your thermostat is located can impact your AC’s performance. If it’s placed in a particularly sunny or drafty spot, it might give incorrect temperature readings, causing the unit to turn on and off at the wrong times. Therefore, ensure your thermostat is in a central, shaded location to get the most accurate readings.

Incorrectly Sized Unit

If your air conditioning unit is too small for your home, it will struggle to cool the space adequately. Conversely, a unit that’s too large will cycle on and off frequently, reducing its efficiency and lifespan. So, it’s important to have a properly sized unit for your home to ensure optimal performance.

Dirty or Blocked Registers

Check your home’s registers and vents to ensure they aren’t blocked by furniture, curtains, or other objects. So, restricted airflow can reduce the effectiveness of your AC unit. Keeping these areas clear can help maintain proper airflow and cooling efficiency.

An air conditioning unit that isn’t cooling can be a major inconvenience, especially during the hotter months. So, by understanding and addressing these common issues, you can ensure your AC operates efficiently and keeps your home comfortable.

Regular maintenance and prompt attention to any problems can extend the life of your unit and provide consistent cooling performance. If you’re still having trouble, it may be time to consult a professional like J.C.’s Heating and Air for a thorough inspection and repair.

Therefore, stay cool and comfortable by keeping your air conditioning system in top shape. Call J.C.’s Heating and Air now for professional services. 

Like our Facebook page for more great info about heating and cooling services.

J.C.’s Heating and Air
3110 Henson Rd Suite 7
Knoxville, TN 37921

Areas Served: CorrytonFountain CityHalls CrossroadsFarragutPowellKnoxvilleKnox CountyOak RidgeLenoir City


You May Also Like

Contact Us:

J.C.'s Heating and Air
3110 Henson Rd Suite 7
Knoxville, TN 37921

Recent Comments

No comments to show.