Top 10 No-Cost and Low-Cost Energy Saving Tips No-Cost: 1. Turn down water heater thermostat to 120°F or the lowest setting. 2. Turn down thermostat when you go to bed and when you’re away from the house…better yet, install an Energy Star® programmable thermostat. 3. Install water saving shower head and faucet heads. 4. Close heating vents and turn off lights in unused rooms. 5. Let the sun help heat you home during the winter! Open your drapes or blinds on the south side of your house to let in sunlight. Low-Cost: 6. Switch to compact fluorescent light bulbs, especially for your 5 most used bulbs. 7. Find and seal the biggest air leaks in your attic and basement and around windows and doors. 8. Change the air filters in your furnace at least once during the winter. 9. Install insulating wrap for your hot water heater and insulate the first 3-4 feet of hot water pipe leaving your hot water heater. 10.Install storm windows in the winter, or install a shrink film insulation kit from a hardware store.