Air conditioner pipes often run on the house exterior wall. But, many people find it ugly and they want to cover it up nicely. So, how do you cover air conditioner pipes properly? To cover air...
Category: Maintenance
Low airflow is a common problem in HVAC that lead to insufficient heating/cooling. Many people want to fix their HVAC by themselves to save money. But, they are not sure how to measure the airflow...
Chiller surge is a problematic behaviour in buildings that are equipped with a chilled water system. Operators and engineers are having a hard time figuring out why chiller surge is happening. So, I...
A properly designed HVAC system should not produce unpleasant noise. Usually, problems such as rattling and whistling noise are not a big deal. People are seriously frustrated with a really loud air...
Hydronic balancing is important to the efficiency and effectiveness of chilled water system. However, many engineers find it very difficult to understand. So, I did some intensive studies. Liquid...
A sufficient net positive suction head is one of the requirements of centrifugal pumps. Without it, centrifugal pumps will not move water and cavitation may occur thereby damaging the pumps. So, I...