The only TT air conditioner I'm familiar with is the on in my own camper. I have to say the fan and particularly the compressor are disagreeably loud. Is this typical. The window AC in my house is ...
Pull the top covers and check the nuts holding the condenser fan. When I serviced our A/C last month the nuts on all three bolts on both A/Cs were loose. Tightened them up and stopped most of the vibration and noise we were getting.