You don't say which type of coach you have, please include it either under your avatar or in a signature live.
If you have leveling jacks you can adjust the level to drain to the drivers side rear or wherever else you prefer. If you don't have jacks you can use leveling blocks to do the same thing. AC condensation drainage is a universal problem!
Dave & Myra
One day your life will flash before your eyes,
make sure it's worth watching!