How do you deal with extreme heat? I have zeroed in on a strategy that works very well for me. I am retired, on a limited budget, do not own a swimming pool; limited retirement income.I am also lucky to own a 41-year old house, with the originally installed ac/heating unit capable of maintaining a 33-degree differential between outside and inside temperature, apparently indefinitely. Limited only, so far, to the amount I am able to afford for pay for the energy. I do a minimum of work inside the house and keep the thermostat between 78-82, keep the large screen...