Tucked inside your PVC casing are the insulated copper pipes and PVC condensate water pipe. Under normal condition, there shouldn’t be any condensation.When there are abnormal condensation, it could be due to: 1) A dislodged PVC condensate water pipe due to poor installation. I shall try to explain this subject in layman terms, so engineers […]

This is the compressor, the heart of the air conditioning system. As you can see, it looks like two cylinders. The cylinder on the right is a liquid receiver, while the “cylinder” on the left is the compressor. This is a rotary compressor, the entire system is sealed up and compressor oil is poured into the […]

1) Compressor overheating : A compressor can overheat due to:a) A choked condenser or a condenser fan that is spinning too slowly.b) Too much or too little gas in the system. For more details, please read compressor.c) A worn out compressor.d) Compressor oil turned bad, thus generating high friction and heat. Read compressor.e) A choked drier […]

Ice usually form when suction gas pressure has dropped to ~ 40psi to 45psi (on a r22 system), ~ 80psi on a r410 system. As such, it could mean that your system has a problem of gas leak. However, if you see the entire fan coil turning into a block of ice, it is most likely caused […]

Ice forming on the small liquid line is an indication of low gas pressure. Either you have a gas leak or its due to a restricted valve/capillary tube. BUT!!! if it ice is on the suction line (picture below), do not top up gas. It means that the aircon in the room is not fully […]

By Technicians: 1)     Topping up of refrigerant The refrigerant (commonly known as FREON) is not a magic substance, it is not cold by itself. Scientists around the world are busy trying to find that magic substance and we’re not too sure if anyone’s found that. What we are very sure is that refrigerant used in your air […]

1) By fragrance loving home owners: a)  Burning of essential oil or incense and using of air purifier or oil based/alcohol based body lotions. Essential oil is believed to promote better health, improve breathing, de-stress and lots of other benefits. Thus, it is very difficult to advice home owners to refrain from using them. Chemical […]

Fundamental Concept:The aircon is producing cold air, but it is may not be 14’C to 16’C, it could probably be 18’C – 20’C. Otherwise, it means that the fan coil and blower is choked too.Diagnosis: Stand about 2 meters away from the blower, if you cannot feel strong wind blowing at you, the fan coil is […]

Fundamental Concept:The aircon is producing cold air, but it is not strong enough to reach you. The filters are very dirty, thus inhibiting proper air flow. Solution: You can rinse the plastic filters using the shower spray, smack it against a wall to shack off the water droplets. You can put it back, it need not […]

What kind of aircon servicing is recommended during Covid 19? The first thing that comes into mind is disinfection, however, how do you disinfect? Most aircon in Singapore that are used 8-10 hr daily on average, becomes mold and bacteria infested after roughly 1 year of usage. We have to understand why this happens, the […]