Austin is hot temperature wise and real estate too.

Would tenants control the thermostat or do I set a base temperature?

Nationwide averages are about as useful to me as the average national temperature.

Joshua:I live in Wallingford, Ct.I work Part-time for a Limousine Service.Some of the slowest months in a Limo business, are January and February.The reason is, people do NOT want to deal with the weather.Canceled flights, missed connections, delays, etc.As a daily visitor to this site, I know that a lot of people live in areas, where the weather could cause problems with travel to the Denver area.I just looked at the month of February in the Denver Area, and the temperatures are from 17-49.Raymond

Dishwashers can sterilize items because the water temp and drying heat is so much higher than the water temperature used to hand-wash. 

No clue but i would like to live somewhere with an avg yearly summer temperature of 80 degrees, a beach, mountains and good food

Then you will need a price for spreading salt, or sand when temperatures are subzero or the melted snow refreezes at night.

Include a Tip sheet for how to use ovens, washers/dryers, changing temperatures in room or refrigerator, etc.simple things that tenants may decide to call you on.

Now - after a prolonged time (based on the factors of time, temperature and the amount of water) Stachybotrys will begin to develop.  

The best thing you can do is run the air conditioning, keep it set at a moderate temperature, say mid-to-high 70*'s.