Set it where you are most comfortable as that is why you have it. A good idea is to update the thermostat to a programmable version that will run the A/C mostly when you are home and according to you ... read more
I'd expect that you have a warranty longer than just 30 days. Probably at least 1 year, right? I'll base my answer on that premise.
In the first 30 days, you should look for things that are incomplete ... read more