The PACOpaQ fully-integrated and compact HVAC packaged pumping system from Grundfos Pumps is designed for chilled- and hot-water distribution, condenser water, geothermal loop, and district heating and cooling. The system pairs centrifugal pumps with the intelligence and efficiency of a dedicated HVAC control that automatically determines the most efficient speed and optimum number of pumps needed to meet desired flow and pressure. 800/921-7867; us.grundfos.com.