AC blowing warm air presents a tricky challenge. The causes vary greatly. Simple causes can be fixed at home. And complicated issues require expert care and solutions.
In this guide, we will cover all the basics about warm air issues. Choose an HVAC contractor in Glendale that homeowners can rely on for the best results.
Why Your AC Might Be Blowing Warm Air
Here are the most common causes for warm air issues.
Thermostat issues
Did you change the settings previously and forget about it? There may be nothing wrong with the AC.
Dirty air filters
Dirty air filters will block the air circulation from the vents. Therefore, the system can’t perform efficiently. It is a big reason for an AC to blow warm air. You can check the air filter conditions easily at home.
Low refrigerant levels
Refrigerant absorbs heat from indoor air. A low refrigerant level weakens the system’s ability to do that. This is why the AC fails to cool down the room.
Quick Troubleshooting Steps You Can Try
This AC troubleshooting guide reveals simple self-diagnosis you can do at home.
Inspect the settings
Check the thermostat setting. It could have been left on the wrong temperature. Then, you can get another thermostat to see if the reading is incorrect.
Check for blockage
Remove any furniture that blocks the vents if necessary. Take out the air filters to see if they are dirty as well.
Check for ice buildups
Heavy ice buildups can break the unit and cause serious damage to the system. Do not use the unit until this has been fixed.
Preventing Warm-Air Problems Before They Happen
Here are a few AC preventive maintenance tricks you can do to avoid facing warm-air problems.
Regular maintenance
Regular maintenance can boost the unit’s performance. It identifies weaknesses in the system and creates solutions for them. It is helpful in preventing major issues.
Regular cleaning and monitoring
Check the airflow regularly. Change the air filters at least once every three months. You can also clean visible vents to keep them unobstructed.
Seal cracks
Sealing cracks is a cost-effective way to reduce strain on the HVAC. It prevents technical issues like warm-air problems.
Signs It’s Time to Call a Professional
If you notice these signs, it’s time to give the professionals a call.
The AC turns off unexpectedly
If the AC experiences cycling issues, a thorough inspection is recommended. DIY strategies may not reveal the root cause of the problem. Any delay can result in an expensive repair bill.
Persistent issues
Do you notice only a temporary improvement after replacing the air filters? If the problem is persistent, it means you are not hitting it correctly. Some issues are more hidden. It requires a trained expert to identify. You should call your local service provider for a detailed diagnosis.
Electrical issues
Electrical issues can pose a danger to residents. They must be assessed by licensed professionals.
Considering AC Replacement
Sometimes, an AC replacement could be a smarter option
Old model
Models older than 10 years do not meet modern energy standards. You can consider an upgrade to experience a quiet, smooth, and smart system that reduces the long-term energy bills.
Consistent breakdowns
Regular breakdowns indicate fundamental issues in the system. It can be a general fault for the model line produced at the time. It will be more economical to replace the AC than to fix it consistently.
Expensive repairs
Replace the unit if the repair costs more than 60% of an upgrade. At that point, a repair is simply not worth it.
In conclusion
An AC blowing warm air is a warning sign. There is an internal issue. It can lead to a serious breakdown in the future. You should never wait for a problem to grow bigger. Follow our guide to identify the causes of warm air issues and the best solutions to solve them.