The moving air and ducted fan noise of hvac system is a sonic problem, though, as well.

Easiest way to handle that is to place the Thermostat handy to the Control Room Desk and get a stat that has a manual Fan on/off switch on it, when Tracking with mics, cool 'er down and then cut the fan and make some takes.

A through-wall unit with Remote Control is a great way to handle this. hitachi

Don't neglet to install insulation before the interior walls go on.

Down in Tejas, you won't forget to turn it back on...


--Mac