Minimize indoor heat generation

Close drapes to keep the sun out. Consider adding thermal curtains to reduce each room’s energy loss by up to 25%. Turn off lights when they’re not needed, and save heat-generating activities like cooking and doing laundry for cooler evening hours.

Skill level: Basic
Saving on cooling costs only takes a little planning. Cook meals later in the evening, or outdoors if it’s nice out, run your dishwasher at night, save laundry for early morning, and line-dry clothes.
Cost range: Free
It won’t cost a penny to save appliance use that generates heat for cooler times of the day. Turning off unused lights will help save even more energy!
Savings: Varies
Reducing your home cooling by tackling it from the inside will help cut your energy bills.