We are almost finished building our e-1510 pump curve! In this final blog of our series, we’ll introduce positive suction head (NPSH) to our curve and explain what NPSH is and why it matters....

This blog introduces efficiency curves (islands) to our pump curve and examines the variables impacting pump efficiency. We also introduce a valuable equation for....

The 2019 edition of ASHRAE Standard 90.1 incorporates a change that significantly impacts the design of high-capacity space heating gas boilers. The standard mandates that gas boilers ranging from 1 to 10 million Btu/h) must be…

All centrifugal pumps in HVAC applications should be equipped with a shut-off valve, check valve, and a balance valve. Or, as an alternative, you can choose a valve that….

Most commercial WSHP system will require a cooling tower, which can either be an open or a closed-circuit design. If the system is in a part of the country that periodically sees sub-freezing temperatures during the heating season, it must be….

Except for an expansion tank and air separator, the components are often installed as a pre-piped assembly, ensuring long-term peace of mind and eliminating tedious piping work. In this blog post, we explain what these components are and the role each plays….