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Cooling coils have specific design and operating temperatures. They must be cold enough to dehumidify the air but not too cold to cause freezing. So, what should be the temperature…

Mini splits require regular cleaning to keep them working at optimal performance. However, some people may find things like removing the blower wheel difficult. So, how do you clean mini…

Duct thickness is expressed in gauges and millimeters. However, the conversion between gauges and millimeters doesn’t seem to follow a set of rules. So, exactly how to convert the duct…

Whenever the hot days come, your air conditioner sure gives you problems. If your air conditioner is not cooling but the fan is running, what’s the problem and how can…

When it comes to the insulation of the refrigerant copper piping of split air conditioners, there is always a debate whether the liquid pipe and the gas pipe should be…

The installation of a mini split involved a series of mounting, positioning, fitting, wiring and testing. How difficult it is will depend on the individual. If you’re thinking of installing…

One of the parameters to calculate when designing a chilled water system is the condenser water flow rate. Most of the time, it is estimated through the rule of thumb…

When designing a chilled water system, the chilled water flow rate is one of the parameters to calculate. Most of the time, it is estimated through the rule of thumb…

Mini splits have clearance requirements. The indoor and outdoor units of a mini split must be installed at a location where there is sufficient space for the air to move…

Mini splits are fairly complicated engineering products. Their specifications can be difficult to understand for non-technical people. So, this post explains the detail and meaning behind mini split specifications. The…