| 摘要 |
A system dehumidifies a non-environmentally controlled, enclosed space of a building, for example a crawlspace, using a dehumidifier unit comprising an evaporator coil, a condenser coil, and a compressor arranged for circulating heat exchanger fluid through the coils. A fan operates in series with closed loop ducting to communicate air from the space to the dehumidifier unit and back to the spac e independently of an HVAC system of the building. The fan and dehumidifier un it are responsive to a dehumidistat. A distributed outlet distributes air from the unit to peripheral positions about the space. A heater is coupled in series with the ducting for heating air circulated therethrough.
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