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AC Not Cooling? 5 DIY Tips To Try Before Calling for Repairs

When the summer heat settles in Florida, the last thing you need is an air conditioner that blows warm air. Before you pick up the phone to call for repairs, however, there are a few things you can check to help save you time and money on professional service. Sometimes, the issue can be fixed with a simple adjustment or some DIY maintenance.

In this blog post, the cooling specialists at Greens Energy discuss five things to check before scheduling professional AC repair for your system.

A dirty disposable HVAC filter compared to a new filter, side by side

5 Things To Check if Your AC Isn’t Cooling

If your air conditioner stops cooling, be sure to check these five things first before calling for emergency AC repairs:

1. Check Your Thermostat

It may seem simple, but an incorrect thermostat setting is one of the most common culprits behind an AC not cooling effectively. Make sure your thermostat is set to “cool” and that the temperature is set lower than the current room temperature.

If you have a programmable or smart thermostat, ensure the schedule hasn’t been set incorrectly. A faulty thermostat may also be to blame if the settings are correct but your AC still isn’t cooling.

2. Change Air Filters

Clogged or dirty air filters can hinder airflow and significantly reduce the cooling power of your air conditioner. Over time, dirt, dust, and debris can accumulate in the filter, making it difficult for your system to cool efficiently.

It’s recommended that you change your air filter every 90 days (more often if you suffer from allergies or live with pets or smokers). If you haven’t changed your air filter recently, check it now as a simple change could restore your AC’s cooling capacity.

3. Check Your Coils

Both the evaporator and condenser coils in your air conditioner are essential for removing heat from your home. If these coils are dirty or clogged, it becomes harder for your AC to cool the air properly. You can check the outdoor unit’s condenser coils for visible dirt or debris buildup. If they’re dirty, carefully clean them to improve airflow and cooling efficiency.

4. Frozen Evaporator Coils

If the evaporator coils in your air conditioner become frozen, it can block airflow and stop your unit from cooling effectively. Frozen coils can indicate low refrigerant levels or restricted airflow due to dirty air filters.

If you notice ice buildup on your evaporator coils, power down your air conditioner to let them thaw and change your air filter to see if this is the root cause of your coils freezing.

5. Inspect Your Refrigerant

Refrigerant is essential for cooling your AC. If there’s a leak in the system, your air conditioner may not be able to cool your space effectively.

While refrigerant levels should remain consistent, a noticeable drop or leak will require professional assistance to repair as this substance requires specialized tools and training to handle safely. If you suspect a refrigerant leak, it’s time to call for expert help.

When To Call for Professional AC Repairs

If you’ve checked these common issues and your air conditioner still isn’t cooling, it’s time to contact a professional for repair. Problems like refrigerant leaks, faulty compressors, or electrical issues require expert knowledge to fix.

Delaying repairs can lead to more significant problems, severe discomfort, or even heat stroke in the sweltering Florida heat, so it’s best to schedule service as soon as possible.

Schedule AC Repairs With Greens Energy

When your air conditioner needs professional attention, trust Greens Energy for fast, reliable AC repairs. Our experienced technicians can quickly diagnose and resolve any cooling issues, ensuring your home remains cool and comfortable when it counts.

With nearly 70 years of local service experience and a consultative, customer-first approach, we ensure lasting comfort in your home for years to come.

Don’t wait until your AC breaks down — schedule air conditioner repair with Greens Energy by contacting us today.

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