Aircon maintenance

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Avatar for joshuakix
3 years ago

Replacing or cleaning air conditioner filters is a critical maintenance task. An air conditioner's filters, coils, and fins require regular maintenance for the unit to function effectively and efficiently throughout its years of service. Neglecting necessary maintenance ensures a steady decline in air conditioning performance while energy use steadily increases.

Air Conditioner Filters

The most important maintenance task that will ensure the efficiency of your air conditioner is to routinely replace or clean its filters. Clogged, dirty filters block normal airflow and reduce a system's efficiency significantly. With normal airflow obstructed, air that bypasses the filter may carry dirt directly into the evaporator coil and impair the coil's heat-absorbing capacity. Replacing a dirty, clogged filter with a clean one can lower your air conditioner's energy consumption by 5% to 15%.

For central air conditioners, filters are generally located somewhere along the return duct's length. Common filter locations are in walls, ceilings, furnaces, or in the air conditioner itself. Room air conditioners have a filter mounted in the grill that faces into the room.

Some types of filters are reusable; others must be replaced. They are available in a variety of types and efficiencies. Clean or replace your air conditioning system's filter or filters every month or two during the cooling season. Filters may need more frequent attention if the air conditioner is in constant use, is subjected to dusty conditions, or you have fur-bearing pets in the house.

Air Conditioner Coils

The air conditioner's evaporator coil and condenser coil collect dirt over their months and years of service. A clean filter prevents the evaporator coil from soiling quickly. In time, however, the evaporator coil will still collect dirt. This dirt reduces airflow and insulates the coil, reducing its ability to absorb heat. To avoid this problem, check your evaporator coil every year and clean it as necessary.

Outdoor condenser coils can also become very dirty if the outdoor environment is dusty or if there is foliage nearby. You can easily see the condenser coil and notice if dirt is collecting on its fins.

You should minimize dirt and debris near the condenser unit. Your dryer vents, falling leaves, and lawn mower are all potential sources of dirt and debris. Cleaning the area around the coil, removing any debris, and trimming foliage back at least 2 feet (0.6 meters) allow for adequate airflow around the condenser.

Coil Fins

The aluminum fins on evaporator and condenser coils are easily bent and can block airflow through the coil. Air conditioning wholesalers sell a tool called a "fin comb" that will comb these fins back into nearly original condition.

Condensate Drains

Occasionally pass a stiff wire through the unit's drain channels. Clogged drain channels prevent a unit from reducing humidity, and the resulting excess moisture may discolor walls or carpet.

Window Seals for Room Air Conditioners

At the start of each cooling season, inspect the seal between the air conditioner and the window frame to ensure it makes contact with the unit's metal case. Moisture can damage this seal, allowing cool air to escape from your house.

Hiring a Professional

When your air conditioner needs more than regular maintenance, hire a professional service technician. A well-trained technician will find and fix problems in your air conditioning system.

The technician should:

  • Check for correct amount of refrigerant

  • Test for refrigerant leaks using a leak detector

  • Capture any refrigerant that must be evacuated from the system, instead of illegally releasing it to the atmosphere

  • Check for and seal duct leakage in central systems

  • Measure airflow through the evaporator coil

  • Verify the correct electric control sequence and make sure that the heating system and cooling system cannot operate simultaneously

  • Inspect electric terminals, clean and tighten connections, and apply a non-conductive coating if necessary

  • Oil motors and check belts for tightness and wear

  • Check the accuracy of the thermostat.

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3 years ago

Comments

Great article you have chosen... thanks for sharing these type of informative articles with us.. The most important maintenance task that will ensure the efficiency of your air conditioner is to routinely replace or clean its filters. ... Clean or replace your air conditioning system's filter or filters every month or two during the cooling season..... An air conditioner's filters, coils, and fins require regular maintenance for the unit to function effectively and efficiently throughout its years of service. Neglecting necessary maintenance ensures a steady decline in air conditioning performance while energy use steadily increases.... Experts suggest servicing your home air conditioning once a year. (The same goes for heating.) Spring is the best time. However, to ensure your system continues to work efficiently, you need to do some “housekeeping” on a regular basis.... As a general rule, you should clean your air conditioner filters within the indoor unit every two weeks. In more dusty or polluted environments you should clean your filters more regularly. Cleaning your filters is the most important maintenance task you can do to care for your air conditioner....If you don't change your AC filter, it will begin to fail. It will no longer be able to filter the air properly, letting dust and contaminants get into the AC. Dust jams the moving parts of an AC such as fan motors and valves. ... This is how dust makes the unit less energy efficient....Here's our professional answer: Running the AC without a filter just for one night won't hurt your AC system, but it sure won't help it either. Note: Running the AC any longer than a night without a filter risks serious damage and poor indoor air quality...The most common cause of window air conditioners not blowing cold air is a lack of adequate air flow. ... If the air filter is dirty or clogged, there may be little or no air flow over the evaporator coils, which may cause them to become too cold and frost or ice can form on them, restricting the air flow even more...

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3 years ago

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3 years ago

This is so helpful article dear, thanks for sharing and keep on posting thank you😘

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3 years ago

Nice one bro

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