Your AC is working overtime, but the problem might not be outside. Five common indoor heat sources can add thousands of BTUs to your cooling load, driving up energy bills by 20 to 40%.
Most homeowners leave windows open at the wrong times, accidentally pulling hot air in and trapping heat inside. A simple shift in your window routine, timed around outdoor temperatures, can drop indoor temps by 5 degrees or more without touching your thermostat.
Running your AC all night drives up energy bills, but most homes can shed heat naturally once the sun goes down. A smart window-opening strategy combined with simple airflow techniques can drop indoor temps by 10 to 15 degrees overnight without touching your thermostat.
Evaporative coolers can slash cooling bills by 50 to 75% compared to central AC, but they only work well in the right climate. This guide explains exactly where they shine, where they fail, and how to optimize yours for maximum comfort and efficiency.