Properly insulate and ventilate your attic.
Replace your shingles if they are worn or curling.
Insulate your water heater, hot water pipes, and heating and cooling ducts.
Seal gaps around doors, windows, and pipes.
Replace old toilets with water-saving models.
When replacing your furnace or air conditioner, consider energy-efficient models.
Replace older appliances with energy-efficient models.
Upgrade wiring and plumbing so that they are up to code standards.
Consider replacing hot water tanks that are over 10 years old.
Install home alarms and fire-monitoring systems.
When renovating, look for options to make your home more energy-efficient.
Use materials that are resistant to hail and wind if you’re redoing your roof or replacing siding.