Frigidaire, which is a part of Electrolux, is a well-known American brand famous for making reliable, energy-efficient, and easy-to-care-for home appliances for both regular folks and businesses. They are particularly famous for their air conditioners, and people greatly trust them.
However, like any electronic stuff, Frigidaire air conditioners can sometimes run into problems. One common problem that bothers people is when their Frigidaire air conditioner isn’t cooling properly.
Common reasons for poor cooling in Frigidaire AC units are blocked air filters, dirty condensers/heat exchanger coils, wrong temperature settings, using an undersized AC for a big room, remote control malfunctions, and frozen condenser coils.
Significant cooling problems can also stem from component failures like refrigerant leaks, compressor issues, motor malfunctions, or thermostat failures. These major issues require the expertise of an HVAC technician for resolution.
Summary of Causes and Quick Fixes for Frigidaire Air Conditioner Not Cooling,
Here’s a summarizing table of causes and immediate solutions for those seeking a quick reference. The following blog post provides detailed explanations for each issue and its resolution.
Causes | Quick Fixes |
---|---|
Clogged air filters | Clean or replace air filters regularly. |
Dirty coils (condenser or heat exchanger) | Clean the coils using a pressure washer or call a professional AC Cleaner. |
Incorrect temperature settings | Adjust the thermostat to the desired temperature. |
Undersized AC unit for a larger room | Ensure the AC unit is appropriately sized for the room. |
Non-functional remote controls | Troubleshoot the remote control or replace batteries. |
Frozen condenser coils | Allow the coils to thaw and investigate the cause. |
Refrigerant leaks | Contact a professional HVAC technician for repairs. |
Compressor or motor failures | Seek the expertise of an HVAC technician for repairs. |
Thermostat malfunctions | Call a professional HVAC technician for diagnosis. |
Leaking air ducts | Seal or repair the leaks in the ductwork. |
Poor ventilation | Ensure proper airflow by clearing obstructions. |
Why Is My Frigidaire Air Conditioner Not Cooling Properly?
Here are detailed reasons and solutions for Frigidaire Air conditioner not Cooling properly,
1. Clogged Air Filters
The air filter Frigidaire air conditioner is crucial to maintaining indoor air quality and preventing dust accumulation on the condenser coils.

Therefore, these filters become clogged with dust, dirt, pollen, and other airborne particles over time. When this happens, it restricts the flow of air passing through the filter and into the cooling unit.
The clogged air filter Reduces airflow, decreases cooling efficiency, and causes stress on AC components, leading to early wear and tear.
To solve this problem,
- Check the condition of your air filter at least once a month, especially during heavy-use seasons (summer and winter).
- Depending on the type of air filter your AC unit uses, you can either clean it or replace it when it’s dirty.
- Reusable Filters: If you have a washable or reusable filter, remove it and clean it according to the manufacturer’s instructions. Typically, this involves rinsing it with water and allowing it to dry completely before reinstalling it.
- Disposable Filters: If you have disposable filters, replace them with a new one when they become visibly dirty. Refer to your AC unit’s manual to determine the appropriate filter type and replacement schedule.
- Incorporate air filter maintenance into your regular HVAC maintenance routine. This ensures that the filter remains clean and effective.
2. Dirty coils (condenser or heat exchanger)
AC system has two coil sets: condenser and evaporator (heat exchanger). Despite the air filter, some of the dirt and debris escape these filters, impeding heat exchange and AC efficiency.

To solve this issue,
- Turn off the power (circuit breaker/disconnect)
- Find coils (outside and inside) and remove covers and air filters
- Cover the critical electronic components with a plastic sheet
- Use a pressure washer to clean the dust and debris accumulated over AC coils and air filters.
- If there are bent fins, straighten them with a fin comb if necessary
- Reinstall the Air Filters and AC cover
- Restore power
- Clean coils yearly or more in dusty areas for better cooling, longer AC life, and peak performance
3. Incorrect Temperature Settings
The thermostat in your Frigidaire air conditioner regulates the indoor temperature. If the thermostat is set at an incorrect temperature, it can result in your air conditioner not cooling effectively.

To solve this,
- Check Setting: Ensure your thermostat displays the temperature you want.
- Adjust Temperature: Change buttons or digital settings if it’s not right. Find a comfy temp that doesn’t strain the AC.
- Programmable Thermostat: If you have one, use it! Set schedules to match your routine, balancing comfort and efficiency.
- Regular Checkup: Occasionally review thermostat settings, especially when seasons shift.
- Smart Thermostat: Consider upgrading to a smart thermostat for remote control via a phone app, giving you convenience and potential energy savings.
4. Undersized AC unit for a larger room
AC cooling capacity is in BTUs per hour. If it’s too low for the room, it’s undersized. Undersized AC can’t remove heat quickly enough, making it struggle to cool the space.

to solve this,
- Measure Room: Calculate room square footage.
- Choose Appropriate BTU: Research and select an AC with the right BTU rating for your room size, following manufacturer guidelines.
- Consult HVAC Pro: For central systems or uncertainty, consult an HVAC professional for a load calculation to find the ideal cooling capacity.
- Upgrade If Necessary: If your current AC is too small, consider upgrading to a larger-capacity unit for efficient cooling.
- Regular Maintenance: Maintain your AC regardless of size. Clean/replace filters, clean coils, and schedule professional inspections as needed.
5. Non-functional Remote Controls
Effective air conditioner control relies on properly functioning remote controls. Non-functional remotes can hinder temperature regulation, often due to depleted batteries or damage.

This can cause your Fridgire AC not to cool your space properly. To solve this issue,
- Check Batteries: Verify battery status. Replace with new ones if needed.
- Test Remote: Aim the remote at the AC unit after the new batteries. Ensure no obstructions block the signal.
- Clean Remote: If dirty or sticky, clean with a soft cloth and mild cleaner. Ensure it’s dry before use.
- Replace Remote: If it still doesn’t work, consider getting a compatible replacement from the manufacturer or authorized dealer.
- Universal Remotes: Explore universal remotes if the original isn’t available.
- Program (if needed): Follow the instructions for programming a new remote to work with your AC unit.
6. Frozen Condenser Coils
The condenser coils in your air conditioner are responsible for releasing heat from the indoor air to the outside environment. When these coils become covered in ice, they are said to be frozen. This can occur due to two primary reasons:

- Low Refrigerant Levels: Insufficient refrigerant in the system can cause the temperature of the coils to drop excessively, leading to condensation and freezing.
- Poor Airflow: Inadequate airflow over the coils can prevent them from dissipating heat efficiently, causing the coils to become colder and potentially freeze.
To solve this,
- Turn Off AC: Immediately switch off the air conditioner to stop cooling and allow the coils to thaw.
- Thaw Coils: Speed up thawing with towels or warm water around coils. Avoid excessive heat sources.
- Address Root Cause: If suspected, consult an HVAC technician to inspect and recharge refrigerant levels and fix leaks. Also, remove any obstructions around the condenser unit, ensure the fan works, and clean air filters.
- Regular Maintenance: Prevent future issues with routine AC maintenance. Clean/replace air filters, maintain condenser airflow and schedule professional inspections.
7. Refrigerant Leaks
Refrigerant is a crucial component in the air conditioning system, responsible for absorbing heat from the indoor air and releasing it outside. When refrigerant leaks occur, it means that the refrigerant is escaping from the closed system. This can happen for various reasons, including
- Wear and Tear
- Corrosion
- Poor Installation
- Manufacturing Defects

This will cause Frigidaire AC not to cool properly and will require you to set AC to lowest temprature requiring more electricity.
To solve this issue,
- Turn Off AC: Suspecting a leak, switch off the AC to prevent further damage.
- Consult Professional: Contact an HVAC technician for safe inspection and repair.
- Leak Detection: The technician uses tests or detectors to locate the leak.
- Repair or Replace: Damaged components are fixed or replaced, followed by proper evacuation and refrigerant recharge.
- Test and Verify: The system is tested to ensure proper function and refrigerant levels.
- Regular Maintenance: Schedule routine AC maintenance to detect and address potential issues before they cause leaks.
8. Compressor or Motor Failures
The compressor and motor are critical components within your air conditioning system. The compressor is responsible for pressurizing the refrigerant and pumping it through the system, while the motor drives the fans and other moving parts.

When these components fail, it can disrupt the cooling process of Frigidare AC. To solve this issue,
- Turn Off AC: If you suspect an issue, immediately switch off the AC to prevent further damage.
- Contact HVAC Technician: These replacements require expertise. Get a professional HVAC technician for inspection and diagnosis.
- Diagnosis: The technician will perform a thorough system check to pinpoint the problem, often using diagnostic tools and tests.
- Replacement: If they confirm a faulty compressor or motor, they’ll replace it. This involves removing the old one and installing a new component, possibly including refrigerant evacuation and recharge.
- Testing and Verification: After replacement, the technician ensures the system functions correctly, cools efficiently, and maintains the right temperature.
- Regular Maintenance: Prevent future failures with scheduled AC maintenance. This helps detect issues early and extends the lifespan of these components.
9. Thermostat Malfunctions
The thermostat in your air conditioning system serves as the control center, allowing you to set and regulate the desired indoor temperature.
When a thermostat malfunctions, it can fail to communicate accurate temperature readings to the air conditioner or may not trigger the AC to cool properly.

To solve this issue,
- Check Settings: Verify temperature and mode settings align with your comfort.
- Inspect for Debris: Clean the thermostat gently if dirt or debris accumulates.
- Replace Batteries: If using batteries, swap with fresh ones to prevent malfunctions.
- Inspect Wiring: Check for loose or disconnected wires behind the thermostat. Consult a professional for electrical work.
- Calibration: Some thermostats allow temperature calibration; consult the manual.
- Thermostat Replacement: Consider replacing the thermostat with professional help if issues persist.
10. Leaking Air Ducts
The air ducts are responsible for distributing conditioned air from the central unit to various rooms in your home. When these ducts develop leaks or gaps, it means that the conditioned air can escape before reaching its intended destination.

This will cause Frigidaire AC fail to cool your space. To fix this problem,
- Inspect Ductwork: Look for visible leaks, gaps, or damage in your ducts, such as loose joints, holes, or disconnected sections.
- Seal Small Leaks: Use mastic sealant or foil tape for small gaps. Apply it to cover the leaks tightly.
- Repair Larger Leaks: For substantial damage, replace the damaged duct section or use a duct repair kit. Consult an HVAC technician for complex repairs.
- Professional Inspection: If unsure or suspect multiple leaks, consult an HVAC technician for a thorough inspection, identification of all issues, and recommendations.
- Regular Maintenance: Prevent future leaks with scheduled HVAC maintenance. Technicians can spot emerging leaks and ensure efficient system operation.
- Duct Sealing Services: Consider professional duct sealing, where technicians use specialized equipment to pressurize and seal the entire duct system comprehensively, improving efficiency and resolving leaks.
11. Poor Ventilation
Poor ventilation can trap heat, humidity, and stale air, which can make it harder for the air conditioner’s heat exchanger to effectively get rid of heat.

This can cause the compressor and other parts to overheat, making them work less efficiently and potentially damaging the PCBs.
To solve this problem,
To mitigate poor ventilation and optimize the performance of your Frigidaire AC, consider the following steps:
- Optimal Outdoor Unit Placement: Always ensure that the outdoor unit of your Frigidaire AC is positioned in an open area, away from sidewalls and any congested spaces. This placement allows for proper airflow around the unit, aiding in efficient heat exchange. Additionally, maintaining adequate clearance helps prevent overheating issues.
- Exhaust Fans Installation: Installing exhaust fans near the outdoor unit can be beneficial in removing the heat generated by the heat exchanger. This can prevent excessive heat accumulation around the unit, thus promoting better cooling performance.
- Promote Natural Cross-Ventilation: Ensure windows and doors are open when the AC operates. This promotes natural cross-ventilation by allowing fresh outdoor air to flow into the room. Cross-ventilation helps disperse heat and humidity, enhancing the AC’s cooling efficiency.