Is your air conditioner running, but your house isn’t cooling? This common and frustrating problem can make your home unbearably hot, especially during the summer. Fortunately, understanding the potential causes and how to troubleshoot them can help restore comfort to your home.

Ahead in this blog post, we’ll provide step-by-step troubleshooting tips and explain when it’s time to call a professional AC Repair Miami Gardens services to get your system back on track.

Step 1: Initial Checks to Perform

Thermostat Settings

Your thermostat controls the temperature settings of your AC unit. If it’s not set correctly, it might be the reason your house isn’t cooling.

• Ensuring Correct Settings: Make sure your thermostat is set to cooling mode, and the temperature is lower than the current room temperature. Sometimes, a simple adjustment can solve the issue.
• Replacing Batteries: If your thermostat is battery-operated, weak or dead batteries can cause it to malfunction. Replace the batteries and see if that resolves the problem.

Inspecting Air Filters

Dirty air filters can restrict airflow and reduce the efficiency of your air conditioner, preventing it from cooling your home effectively.

• How to Check Filters: Locate your air filter, which is typically near the return air duct or the air handler. Remove the filter and hold it up to the light. If you can’t see through it, it’s time for a replacement.
• Cleaning or Replacing Filters: Depending on the type of filter, you can either clean it (if it’s reusable) or replace it with a new one. Regularly changing your air filter every 1-3 months can prevent many common cooling issues.

Step 2: Investigating Deeper Issues

Refrigerant Levels

Refrigerant is the substance that cools the air in your AC unit. Low refrigerant levels can significantly impact your air conditioner’s ability to cool.

• Signs of Leaks: If you notice ice buildup on the refrigerant lines, a hissing noise, or your AC is blowing warm air, you might have a refrigerant leak.
• Importance of Professional Handling: Refrigerant issues should always be handled by a professional. Contact AC Repair Miami Gardens professionals to diagnose and fix refrigerant leaks safely and effectively.

Evaporator Coils

The evaporator coils in your AC unit absorb heat from the air in your home, but when these coils freeze, they can’t do their job properly, leading to insufficient cooling.

• Causes and Signs of Freezing: Frozen coils can be caused by dirty air filters, low refrigerant levels, or poor airflow. Signs include ice on the coils or a lack of cool air.
• Defrosting and Preventing Future Freezing: Turn off your AC unit and let the coils thaw. Ensure your air filters are clean and that there is adequate airflow around the coils. If the problem persists, contact an experienced HVAC Company.

Condenser Unit Maintenance

The condenser unit is located outside your home and is responsible for releasing the heat absorbed by the refrigerant. If it’s dirty or blocked, it can’t function properly.

• Checking for Blockages: Inspect the area around your condenser unit for debris, plants, or other obstructions. Ensure there’s at least two feet of clearance on all sides.
• Cleaning the Outdoor Unit: Use a garden hose to gently rinse dirt and debris from the condenser fins. Be careful not to damage the delicate fins. Regular cleaning can help maintain efficient cooling.

Step 3: Advanced Troubleshooting

If the initial checks don’t resolve the issue, consider these more advanced troubleshooting steps:

Checking Ductwork for Leaks

Leaky ducts can allow cool air to escape before it reaches your living spaces, reducing overall cooling efficiency.

• Inspecting Ducts: Check accessible ductwork for visible leaks or gaps. Seal any leaks with duct tape or mastic sealant.
• Ensuring Proper Insulation: Properly insulated ducts help maintain cool air temperatures as it travels through your home. So, add insulation if necessary to improve efficiency.

Ensuring Proper Insulation

Inadequate insulation in your home can make it difficult for your AC to maintain cool temperatures.

• Checking Home Insulation: Inspect areas like your attic, walls, and windows for proper insulation. Adding insulation or weather stripping can improve your home’s overall energy efficiency and help your AC cool more effectively.

Step 4: Seeking Professional Help

Sometimes, DIY troubleshooting isn’t enough, and professional intervention is necessary. Here are some signs it’s time to call AC Repair Miami Gardens experts:

• Indicators That Require Expert Intervention: If your AC continues to run without cooling, makes unusual noises, emits strange odors, or your energy bills spike unexpectedly, it’s time for professional help.

• Choosing a Reliable HVAC Technician: Look for a licensed and certified technician with good reviews and a solid reputation. A professional can diagnose and fix complex issues, ensuring your AC operates efficiently.

Final Recommendations

In conclusion, when your air conditioner is running but your house isn’t cooling, it’s crucial to take immediate action and troubleshoot the issue. Start by checking your thermostat settings and air filters, then investigate deeper issues like refrigerant levels and evaporator coils.

If these steps don’t resolve the problem, contact AC Repair Miami Gardens experts to diagnose and fix the issue. Regular maintenance and timely professional help can ensure your air conditioner keeps your home comfortable all summer long.