Signs of a Refrigerant Leak in Your Air Conditioning System
- Byron Cogburn
- Apr 7
- 3 min read
Updated: Jul 7
A refrigerant leak in your air conditioning system can significantly impact its performance and efficiency. It is essential to recognize the signs of a leak early to prevent further issues. Here are the key signs to watch for if you suspect a refrigerant leak:
Key Indicators of a Refrigerant Leak
Inadequate Cooling: If your AC runs but fails to cool your space effectively, it may be low on refrigerant.
Ice Formation: Ice buildup on the evaporator coils can indicate a refrigerant issue. This buildup prevents the system from absorbing heat.
Unusual Sounds: Hissing or bubbling noises may indicate that refrigerant is leaking from the system.
Increased Energy Bills: A refrigerant leak can cause your AC to work harder, leading to higher energy costs.
Frequent Cycling: If your air conditioner frequently turns on and off, it may struggle due to low refrigerant levels.
Wet Spots or Moisture: Puddles or moisture around the indoor unit can suggest a refrigerant leak.
Finding AC Repair Near Me
If you notice any of these signs, it’s important to seek professional help. Look for AC repair near me to find qualified technicians who can diagnose and fix refrigerant leaks effectively.
Understanding Refrigerant Importance
Refrigerant plays a crucial role in cooling your home. It absorbs and transfers heat, helping maintain a comfortable indoor temperature. When levels are low due to a leak, it affects your cooling system's functionality.
Loss of Cooling Power
When refrigerant levels drop, your AC will struggle to cool your home effectively. It takes longer to reach the desired temperature or may fail to cool altogether.
Warm or Insufficiently Cool Air from Vents
If the air blowing from your vents isn’t as cold as it should be, it’s a strong indicator of low refrigerant levels caused by a leak. This problem often coincides with prolonged cooling cycles as the system works harder to compensate.
Ice Formation on Evaporator Coils
Low refrigerant levels can cause the evaporator coils to freeze. The system cannot absorb enough heat, leading to ice buildup. This ice may eventually melt, causing water pooling around your unit, or it might lead to a complete system breakdown.
Hissing or Gurgling Sounds
A hissing noise often indicates a small hole or crack in the refrigerant lines. On the other hand, gurgling sounds suggest a more significant leak. These noises occur as refrigerant escapes under pressure.
Higher Energy Bills
A refrigerant leak forces your AC to work harder, resulting in longer cycles and increased energy consumption. If you notice an unexplained spike in your utility bills, it could be due to an inefficient system caused by low refrigerant levels.
Increased Indoor Humidity
Air conditioners also help dehumidify your home. A refrigerant leak compromises this function, leaving your indoor air feeling sticky and uncomfortable.
What Should You Do?
Refrigerant leaks require professional attention. Attempting DIY repairs can be dangerous and may worsen the issue. Contact Cogburn's, your trusted HVAC company since 1999, immediately if you notice any of these signs.
Preventive Measures
To prevent refrigerant leaks, consider enrolling in an Energy Savings Agreement with Cogburn's Heating and Air. Regular maintenance visits included in these plans can identify potential problems early. By addressing these issues, you can save money on costly repairs and ensure your AC operates efficiently all summer long.

Regular check-ups are critical for a well-functioning air conditioning system. Don’t wait until you face severe issues. Be proactive and invest in your AC's health.
Monitoring your system and paying attention to unusual signs can keep your home cool and comfortable. By addressing refrigerant leaks early, you save money and keep your environment enjoyable.




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