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Have you consider Ventilation Displacement system yet?

I consider HVAC engineering is not an exact science, but an application of a combination of science, trade practices and arts; a little more scientific than drainage design within the plumbing discipline. HVAC engineering is considered an art, because we can't build any model for the system...

Project: typical low rise(3 storeies high)multi-buildings campus type project, total area is about 80,000 sq. ft. Has anybody made a study about when should we use a central plant or the popular packaged units for this type of buildings. Any criterias or guidelines besides the client's...

We always bond them in Hong Kong in accordance to the British Standard(BS) to avoid possible electrical shock when maintenence personnel has to repair some electrical devices while he might have his body physically in touch with the duct.

First of all, do you want reference books for designing the HVAC system or HVAC system for animal lab. building. HVAC system, pls. refer to ASHRAE Handbooks or CIBSE(UK) Design Guidelines Handbooks.HVAC system for animal lab. building, you probably have to check with some MEP engineers firms who...

It can not be 0 m/s, and 25 m/s is way too high for normal commerical/institutional HVAC system. For normal AC ductwork, the velocity of air flow should be kept around 4 to 7 m/s according to my personal opinion. One nice thing about HVAC engineering is that It's not an exact science.