Mikepier wrote:

RBM (remove this) wrote:

It doesn't work that way. It is probably a 230 volt motor and has two
speeds, which are internally changed. Have him or an electrician come and
reconnect it for the lower speed



Also ask if possible if he can wire up the 2 speeds to a switch you can
control downstairs. So on really hot days you can turn it up to full
speed and other days you can have it on low speed.

If it's thermostatically controlled, how can it exhaust "too much?"

Just adjust the thermostat.

If there's no thermostat, get one installed.

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