It can be frustrating when your air conditioner is not cooling even after a chemical wash.
Notably, sometimes, this can be due to leftover chemicals in the unit, old parts that finally fell off during cleaning, electrical or refrigerant issues.
Importantly, during such instances, getting the right diagnosis is the key to getting your AC unit back to optimal performance. Therefore, in this post, we will discuss the reasons your unit is not cooling after a chemical wash and what you should do to diagnose and fix the problem.
Why Does Chemical Wash Sometimes Make Things Worse?
Since a proper chemical wash removes stubborn dirt from inside your AC, it’s obvious that cooling should get better, and your AC’s performance should improve. But sometimes, that’s not the case as things don’t improve.
Some of the main reasons a chemical wash does not improve your AC’s performance include:
1. Leftover Chemicals Block Cooling
Cleaning solutions break down dirt, but if the technician doesn’t rinse them thoroughly, chemical residue can remain. This stuff acts like a thin blanket over your coils, blocking heat from escaping. When this happens, your AC struggles to pull warmth from the air, and suddenly it can’t keep up.
Fixing this means a technician has to go back and rinse everything thoroughly with clean water, making sure all the chemicals flush out through the drain.
2. Refrigerant Issues
Sometimes your AC was already losing refrigerant, but you didn’t notice because dirty coils reduced airflow. Once the cleaning clears the way, the true problem shows up.
A good tech will check the refrigerant for leaks. Then, they might need to repair the joints or replace the coil since they should only top up the refrigerant after fixing the leak to the exact level your AC needs.
3. Accidental Damage During Cleaning
Even trained technicians sometimes can make mistakes. For instance, applying excessive force to the unit during cleaning can damage key parts.
Therefore, if this happens, the technician needs to check the electrical system, including capacitors, the compressor, and the fan motor, and replace any broken components.
Why You Need an Experienced AC Technician to Diagnose
Since chemical wash is one of the important AC servicing procedures to ensure the unit performs optimally, if the AC develops issues after deep cleaning, then only a technician can diagnose the exact problem without guesswork, which can worsen the situation.
Some of the top areas they zero in on during diagnoses include:
- Look for leftover residue or loose wires.
- Measure refrigerant pressure to spot imbalances.
- Test electrical parts with a multimeter to make sure everything’s working.
- Check airflow after cleaning to confirm the blower is moving air as it should.
How to Avoid Problems Next Time
Since you don’t expect your AC unit to develop cooling issues after a chemical wash, you can avoid the problem by always choosing a certified technician who knows air conditioning inside and out.
Mainly, before you pick the most suitable AC company, ask them to explain their cleaning steps, and you will be able to assess their expertise by how they answer these questions.
Importantly, a reputable AC services company should clearly mention how they will protect all electrical components before spraying chemicals. Also, they should mention rinsing the AC components at low pressure, then running a full test to ensure everything is working properly after the chemical wash.
Conclusion
If your AC still won’t cool after a chemical wash, you shouldn’t wait and see. Call a trusted aircon servicing company right away. Tell them exactly what’s going on and what service was done.
After they listen to you and answer any questions you may have as you examine their proficiency, they will visit your premises to inspect your unit carefully.
Likely, they will be able to spot the main causes of the issues, such as leftover chemicals, refrigerant problems, or electrical issues, and fix them. Once they fix the real problem, you’ll have efficiently running aircon ensuring a cool and comfortable home.
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