How to Unfreeze a Frozen AC
When summertime rolls around, an air conditioner’s cooling capacity, or “tonnage,” could be the difference between being comfortable in your home and cooler temperatures that just aren’t enough. Unfortunately, excessive humidity, low-power conditions and inadequate maintenance can all cause your air conditioner to freeze up.
You’ll know your AC has frozen when cold air stops blowing through the vents. If this happens, there are a few steps you can take to troubleshoot the issue and unfreeze the system.
Turn Off the System
The first step to unfreezing the AC is to switch off the system. When your AC is frozen, it is no longer running efficiently. As such, switching it off temporarily is a good way to defrost the frozen coils and restore the AC’s efficiency.
It is important to note that switching off your AC might cause a temporary temperature spike. Open your windows immediately and create cross-ventilation between rooms to keep the air circulated.
Check the Air Filter
The next step is to check the air filter. An airflow obstruction, such as a dirty air filter, could be the reason why your AC froze in the first place. If your filter is dirty and you don’t replace it, the buildup of air pollutants and dust particles will continue to block the airflow, leading to further freezing issues.
Check the Condensate Drain
The most common cause of an AC freezing up is a blocked or clogged condensate drain line. Clogs in the drain line cause condensation to build up, leading to an insulation of ice and frost around the coils.
Before checking the condensate line, switch off the power source. You can then check the drain pan for signs of a clog. If the drain pan is overflowing, gently use a wet/dry vacuum cleaner to unclog the condensate line. Replace any dirty or damaged parts, and don’t forget to pour a few tablespoons of bleach down to the condensate drain line every 6-12 months. This ensures optimal performance of the AC system and prevents condensate line clogs from occurring in the future.
Check the Compressor
On some occasions, an issue related to the AC’s compressor can be the root cause of your air conditioner freezing up. Over time, the compressor can become damaged or worn, leading to higher than normal operating temperatures and frozen coils. If this is the case, you’ll need to speak to an HVAC specialist in order to properly diagnose the issue and replace the compressor.
Contact an HVAC Professional
If none of the above methods have been able to un-freeze your AC, it will be best to contact a local reliable appliance repair. Skilled HVAC professionals can efficiently diagnose the issue and then return your AC to working condition.
By following the steps outlined above, your AC can be restored to its former efficiency quickly and easily. Frozen ACs can be hazardous to your health, so make sure you take the necessary steps to prevent ice buildup. Take note of the warning signs, and do not hesitate to contact the local reliable appliance repair if there is an issue with the compressor.
With the right preventive maintenance and regular check-ups, your AC should remain reliable for many summers to come. Taking the necessary steps to ensure optimal performance and proper working order will ensure that you remain comfortable in your home when the temperatures heat up.
Frozen AC: Tips for Preventing Issues
Installing an air conditioner in your home or office is a great way to stay cool and comfortable. Unfortunately, air conditioners can suffer from a variety of issues, including freezing up. To avoid any potential problems with your air conditioner, it is important to take proper preventive action. Here are some tips from experienced manufacturers, local appliance companies, and HVAC technicians on how to prevent Frozen AC issues.
Check and Replace the Filters
Regularly inspecting and replacing your air conditioning unit’s filters will help ensure that it is running optimally and can help prevent a frozen AC issue. Clogged or dirty filters restrict airflow, which can cause the unit to freeze up. Check your air filters every few months and replace them when necessary.
Monitor Refrigerant Levels
If the refrigerant levels in your air conditioner are not at the proper levels, the unit can freeze up. Monitor the levels of the refrigerant in the condenser and have a professional HVAC technician recharge the refrigerant if it is too low.
Keep Vents Clear
To ensure that air is properly flowing and circulating through your air conditioner, make sure that all of the vents are free from debris and obstructions, such as furniture or rugs. Don’t allow vents to become blocked as this can cause a frozen AC issue.
Don’t Overwork the Unit
Running your air conditioner for too long or with the thermostat setting at a temperature that is too low can cause it to freeze up. Try to avoid using the unit for long periods of time or setting the thermostat too low. Set the thermostat between 72–78 degrees Fahrenheit to ensure that the unit doesn’t become overworked.
Clean the Coils
The evaporator and condenser coils become covered in dirt and dust over time, which can drastically reduce the efficiency of the unit. Regularly cleaning the coils with a product like a coil cleaner can help prevent a frozen AC issue.
Block Sunlight
If possible, you should keep your air conditioner out of direct sunlight. Sunlight can cause the air around the unit to become very hot, which can cause it to freeze up. Use window coverings or shades to prevent sunlight from coming in contact with the unit.
Call an Expert
If you are having difficulty preventing frozen AC issues, you should contact a local technician who can inspect and service your unit if necessary. They can determine the cause of the frozen AC issue and advise you on how to properly maintain the unit to prevent future issues.
Following these tips can help you keep your air conditioner running at peak efficiency and prevent any frozen AC issues. However, if you are experiencing any problems with your unit, it is best to call a professional HVAC technician for advice. They will be able to provide you with the best solution for your situation.
Average Repair Cost for “Frozen AC” Issue
The average repair/installation cost for a “Frozen AC” issue is typically up 20%, depending on your city. Working with a reliable HVAC professional is essential for these types of repairs. Locally, the cost for new installations and complex repairs in California can range from $400-$2000.
For repairs, parts involved may include a refreeze, new compressor, and/or a fan motor. The cost of materials will depend on the type of parts needed and can range from $50-$500.
For best results and to avoid expensive mishaps, it is highly recommended that you work with a professional HVAC technician who can provide a full assessment of the issue and provide an estimate for necessary materials and labor.
For a reliable and trustworthy service, we recommend Local Reliable Air Conditioning & Heating. Call them at (866) 311-8590.
The Benefits of Choosing a Reliable Air Conditioning & Heating Company for Your Frozen AC
If you’re dealing with a frozen air conditioner, the last thing you want is to wait days for a reliable and affordable repair service. That’s why you should turn to Reliable Air Conditioning & Heating, a family-owned business based in California.
At Reliable, our technicians are all highly experienced and trained, with a minimum of five years in the field. We provide same-day service and will do whatever it takes to get your home’s air conditioner up and running as quickly and efficiently as possible. And, thanks to our commitment to providing excellent and fair pricing, you can rest assured that you won’t be overcharged when you call on us for a repair.
Reliable Air Conditioning & Heating is fully licensed and insured, meaning that all repairs are completed safely and up to code. Plus, we offer a 90-day repair warranty, so you’ll be covered if anything happens after the initial fix.
If you need quality, same-day service for your frozen air conditioner, the team at Reliable Air Conditioning & Heating is here to help. We are committed to providing our customers with reliable and affordable services and promise to get your home back to feeling comfortable in no time.
FAQ: Resolving Frozen AC and Unfreezing an AC
How can I tell if my AC unit is frozen?
A frozen air conditioner is not uncommon. You can tell if your unit is frozen by looking at its temperature readings and checking whether icy frost appears on its coils. If so, it is likely frozen.
What is causing my air conditioner to freeze up?
The primary causes of a frozen air conditioner are low refrigerant levels, poor airflow, and a clogged condensate drain. These can lead to a decrease in temperature and an increase in humidity, which can form frosty buildup on components.
How can I fix the issue?
Thawing your air conditioner and resolving any freezing issues may require a bit of troubleshooting. You can begin by inspecting the blower fan, evaporator coil fins, air filter, and condensation drain line. Clean where needed and replace broken parts as necessary.
What can I do to prevent it from happening again?
To reduce the risk of recurring freeze-ups, make sure that you regularly check the air filter and replace it when necessary. In addition, keep working parts clean, unclogged, and free of debris. Keep an eye on refrigerant levels and coolant temperatures, too.
Call Local Reliable Appliance Repair
For more intricate AC issues, such as Frozen AC, we advise calling Local Reliable Appliance Repair at (866) 311-8590 for reliable service, honest advice, and quality repairs.