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 ...

The purpose of a compressor in a chiller is to lower the pressure and temperature of liquid refrigerant to a point below the temperature of the brine in order to allow heat to flow from the brine to ...

Meeting enormous energy challenges comes with the territory for Recycled Energy Development (RED) Rochester, the utility that owns and operates the trigeneration heating, cooling, and power utility ...

As a result of their flexibility, they can also be relocated more efficiently, installed better, and integrated into other systems. The chiller units that have inverters to drive their compressors ...

Supermarket refrigeration systems, rooftop chillers, walk-in fast-food-restaurant freezers, and refrigerated rail cars vary greatly in size and appearance. Yet they all share the same basic principles ...