Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...

Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

We got a call from a homeowner after his HVAC service company threw up their hands and said they could do no more to get the cooling system to work. They had recently replaced two failed compressors ...

Nelson Mechanical Design was asked to investigate an underperforming chilled water system at a large home overlooking the south coast of Martha’s Vineyard. The installing contractor had been let go ...