
It then opens to allow fresh air to be pulled into the return plenum where it is mixed with conditioned air, filtered, and distributed to the rest of the house. Our fresh air dampers remains closed until instructed to open by the healthy home system control. Remains closed when fresh air is not needed. Reliable, proven design.
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Field Controls HHSC+ Healthy Home System Control Plus

Uv and filter alerts. The healthy home system control is set by the contractor and works independently of the thermostat, providing better control and more consistent operation. Controls central fan to provide air circulation and fresh air ventilation. Easy set up. The healthy home system control monitors the central fan activity and engages the fan on a regular schedule to keep air that is fresh, clean, and pure Circulating throughout the entire home even during times when not heating or cooling.
Filters and air purifiers only work when the furnace or air conditioner are operating. The all new healthy home system control intelligently manages the central fan to provide fresh air ventilation and maximize the benefits of the healthy home system. User-friendly options.
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Field Controls FAD-6 Fresh Air Damper, 6"