I usually would not turn mine off- even at night. Just adjust the temp when it gets to a comfortable point and let the compressor cycle. I found that if you wait for it to get hot, it's too late and the ac can't keep up.
2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away