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One of the greatest incentives for designing a chilled water system to be variable primary is reducing the likelihood and problems associated with low Delta-T syndrome. It is, after all, one of the most common and costly problems in standard primary secondary chilled water design. But how exactly does variable primary reduce…
Read MoreApproach temperature and an AHRI 400 rating are probably the two most critical factors when it comes to selecting a plate and frame heat exchanger for maximum efficiency and guaranteed performance. Do yourself and your client a favor and…
Read MoreWaterside economizing typically involves the transfer of BTUs from an open loop cooling tower system to a closed loop chilled water system. Since these two hydronic systems must remain separate so we do not foul the chilled water systems, a heat exchanger is required to prevent mixing of the fluids, but what type of heat exchanger should you choose?
Read MoreWaterside economizing relies on cold water from the cooling tower (aka condenser water) to absorb some or all of the heat from inside the building. In typical waterside economizing applications, plate & frame heat exchangers are used to…
Read MoreHold the phone; we’re about to blow your mind.
Did you know it can take a larger cooling tower to perform the same amount of cooling when it’s cold outside than when it’s hot?
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