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A Build Equinox Conditioning Energy Recovery Ventilator (CERV) is shown installed in the mechanicals room of a superinsulated 1,000-square-foot modular home in Vermont. The unit preconditions incoming air and delivers cooled or warmed fresh air to remote rooms as needed, controlling humidity and air quality as well as temperature.
A close-up of the remote-control display for the Build Equinox shows readouts for temperature, humidity, carbon dioxide, and volatile organic compounds.