Retrofitting

A fan coil system is made up of many fan coil units. Each FCU, in turn, has a heating and/or a cooling coil with controls integral to the unit. Often the units are located in […]

Fan coil units are often used in apartments, hotels, offices, and classrooms. They provide efficient space conditioning of single zones with local control. A typical fan coil unit (FCU) has a single coil, a fan, […]

The benefit of circulating out the volume of air in a building over the unoccupied hours at night is more than just relieving the conditioned spaces of air high in carbon dioxide content and replacing […]

Many businesses store chemicals such as chlorine, acids, solvents, and strong cleansers that must be mechanically ventilated all the time. Usually, the entire storeroom is exhausted by a rooftop or wall- mounted fan. This fan […]

A four-pipe fan coil unit (FCU) has much the same internal workings as a two-pipe system, but with both a heating and cooling coil. The thermostat controls both the chilled water and heating water valves. […]