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 ...

Description: This line of products are multi-use tanks designed to be used for wood-fired boilers, solar, and geothermal storage. They also function in heating systems with low-mass boilers, chilled ...