Water and steam have been used to cool and heat air in finned-tube heat exchange coils almost since the inception of heating and air conditioning. Freezing of the fluid and the resultant coil damage ...

Over the past several years, I’ve worked in several high-rise condominiums that utilize a makeup air unit (MAU) that conditions 100% outdoor air to a neutral dry bulb temperature (~70°F) and suitable ...

Follow these tips to construct a wood stove hot water coil heating kit and save on utility bills. Includes a diagram and wood stove water heater plans you can set up in your own house. One of the ...

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 ...

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 ...

Having hot water for showers and dish washing is certainly a joy that makes off-grid feel as luxurious as on-grid, yet without utility bills or fossil fuels. Where I live, summer sunshine is abundant, ...