
The last thing you want to worry about as summer approaches is an air conditioner that doesn’t function properly. However, as it sits unused through winter, it is possible that the system won’t perform as expected when it is turned back on. Many homeowners find that, once it is turned on, their AC is not blowing cold air, resulting in rising temperatures in their space.
There are many reasons why your system is not blowing cold air, some of which you can troubleshoot on your own before calling a trusted HVAC team. If your system is not blowing cold air and you need help identifying potential causes, keep reading.
1. Dirty Air Filters
When did you last change your air filters? If you’ve turned on your AC and notice it is not blowing cold air, there is a chance it’s related to your air filters. These filters need to be changed every 90 days, or more frequently if you have severe allergies or pets in your home. Dirty filters restrict air flow, making it harder for your AC to reach your desired cooling temperature.
2. Tripped Circuit Breaker
If your air conditioner is not blowing cold air or won’t turn on at all, this might be a result of a tripped circuit. Before you call your trusted HVAC team, check your circuit breaker to ensure it hasn’t tripped. If it has, reset it and monitor the system when it turns on again. If it trips again, it’s best to reach out to your HVAC team for professional support.

3. Improper Thermostat Settings
After turning on your AC for the season, it is essential to adjust the settings on your thermostat. If it is not blowing cold air after it has been turned on, double-check the thermostat settings. When turning on your air conditioning system, you may have unintentionally set it to the fan instead of the cooling setting or set the temperature too high to trigger cooling.
4. Dirty or Blocked Condenser Coils
Throughout the winter, your air conditioner is exposed to various organic debris and dirt, which makes it difficult for it to function properly. If your AC is not blowing cold air, check for this debris and clean the system accordingly. This debris in your air conditioner makes it difficult for the system to release heat efficiently, leading to a warmer home than you’d like.
5. Refrigerant Leak
The refrigerant in your AC moves throughout the system to keep your home comfortable. However, if your AC is not blowing cold air and you’ve noticed low refrigerant levels, this may indicate a leak. While you may be able to identify signs of a leak, it can be difficult to find and treat without the support of an HVAC professional, so it is best to reach out for help.
6. Frozen Coils
While it might seem odd, your AC not blowing cold air may be a result of the system freezing up. If you notice an accumulation of ice on the side of your AC, this might indicate a problem with the condensate line, low refrigerant levels, or improper airflow. Check the air filter, and if the problem persists, it’s best to reach out to your trusted HVAC team for AC repairs.

7. Leaky or Blocked Ducts
Have you noticed your air conditioning struggling to provide enough airflow, in addition to not blowing cold air? If you have, this might suggest a blockage or leak in your air ducts. The air may leak from ducts before reaching you, leaving you wishing for cooler temperatures. To properly diagnose this, it is best to contact your HVAC team, and they can begin repairs.
8. Faulty Compressor
Your AC’s compressor is key to the cooling process, and when it malfunctions, the system may not blow cold air. If your air conditioning system is over 10 years old and hasn’t received proper maintenance, this component may have broken down. Once replaced, your system should return to normal function and keep your family comfortable through summer.
9. Improperly Sized Unit
Did you build an add-on to your home over the winter? If you did, your AC may no longer be the right size for your home and, as a result, will not blow cold air as it struggles to keep up. With your add-on, it is essential that you upgrade the system or install a ductless HVAC system in the add-on to ensure comfort levels as temperatures rise.
10. Old or Inefficient Unit
Most modern HVAC systems have an anticipated lifespan of 15 to 20 years. If your air conditioner is getting close to this, it may struggle to meet your cooling needs. While this can be more costly than you’re prepared for, it is best to replace the system, as this will ensure your comfort as the summer temperatures begin to soar.

Call R&D Heating & Air When Your AC Is Not Blowing Cold Air
When your AC struggles to keep up throughout the summer months, it can lead to increased discomfort in your home. But, with proper maintenance and a reliable HVAC team on your side, you can keep your system in great working condition. If you’re looking for a trustworthy HVAC team in the Roy, Utah, area, turn to our team at R&D Heating & Air.
Our team has years of experience helping homeowners across the Wasatch Front identify various problems within their air conditioner, ensuring it can keep them comfortable through Utah’s scorching summers. With our support, you’ll never have to worry about going days or weeks without a functioning system.
If your AC is not blowing cold air and you need help repairing the system, don’t hesitate to contact us today.