<human>: What is the best way to keep my house cool in the summer without breaking the bank?
<bot>: The best way to keep your house cool in the summer without breaking the bank is to invest in energy-efficient appliances and insulation. Additionally, you can open windows during the day and close them at night to help circulate air throughout the home. You can also try installing ceiling fans or a whole-house fan to move the air around more quickly. Finally, make sure to keep all doors and windows closed when not in use.