Why Is My Air-Conditioner Not Cooling Properly?

Air-conditioners require coolants to effectively cool the air and make you feel comfortable to survive the brutal summer in Hong Kong. As the air-conditioner runs for long hours over several years, the coolant change will lead the air-conditioner loses its efficiency. This results in the air-conditioner not cooling as well as it once did. There are a few other possible reasons why your air-conditioner may not cooling properly:

1. Coolant change or leak
The most common issue is low coolant levels or a leak in the coolant system. Over time, these coolants can leak from seals or joints causing the air-conditioner to run but not cool adequately. It’s a good idea to get the coolant changed, increase the coolant levels and have system pressures checked by an air-conditioner professional to detect any leak from the coolant.

2. Dirty or clogged air filters
Clogged air filters reduce airflow and cooling ability and lead to not colling air-conditioners. Replace pleated air filters every 1-3 months helps ensure maximum airflow. Dirty or damaged filters decrease airflow by up to 25% and reduce cooling capacity.
very-dirty-air conditioner-filter

3. Problems with the compressor or fan
Issues with the compressor, condenser fan, or evaporator fan can impair cooling. The compressor pumps coolant through the system. Condenser and evaporator fans help release heat to improve efficiency. If any of these critical components are malfunctioning, the air-conditioner will not cooling homes effectively. It’s best to have a professional diagnose and repair or replace faulty units to restore full cooling.

When your air-conditioner is not cooling as expected, it’s a good time to have the entire system inspected by a certified handyman. Small problems left unaddressed often become larger, more complex issues that are costly to repair. Keeping your air conditioner well-maintained with filter cleaning, inspections, and replacements as needed will help keep you cool and comfortable for years to come.