I'm from Wisconsin and we have a program called Focus on Energy which implements the ENERGY STAR program for improving energy efficiency of older homes. I'm not sure what you have in your region, but ... 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