Do this before the heat wave hits — and slash your cooling costs by $100 this summer

Do this before the heat wave hits — and slash your cooling costs by $100 this summer MarketWatch The Most Expensive AC Setting to Use During a Heat Wave, Experts Say marthastewart.com How to adjust your A/C temperature to help save money WGN-TV PPL provides advice to customers on preventing energy cost increases amid high temperatures WFMZ.com What temperature should I set my air conditioner in a heat wave? Milwaukee Journal Sentinel