The average American household spends about $1,400 per year on electricity. With the right combination of behavior changes and upgrades, most households can cut that by 20–40%. Here are 15 proven ways to do it — starting with the free, easy wins.
No-Cost Changes (Do These Today)
1. Adjust Your Thermostat
The DOE estimates that setting your thermostat back 7–10°F for 8 hours a day saves up to 10% per year on heating and cooling. That's $100–200 for most households. Set it back when you're asleep or away from home.
2. Use Cold Water for Laundry
About 90% of the energy used by your washing machine goes to heating water. Washing in cold water saves roughly $60–70/year with no impact on cleaning performance for most loads. Modern detergents are formulated to work in cold water.
3. Unplug "Vampire" Devices
Electronics on standby — TVs, game consoles, chargers, coffee makers — draw power even when not in use. The average home wastes about $100–200/year on standby power. Use smart power strips in entertainment centers and home offices.
4. Run Appliances During Off-Peak Hours
If you have time-of-use electricity rates, running your dishwasher, washer, and dryer after 9pm or before 9am can save 20–50% on those loads. Check your utility bill or website to see if you're on TOU rates.
5. Fix Air Leaks Around Doors and Windows
A $10 tube of weatherstripping caulk can save $100+ per year by reducing drafts. Feel for cold air around door and window frames on a windy day and seal anything you find.
Low-Cost Upgrades ($10–$300)
6. Switch to LED Bulbs
LED bulbs use 75% less energy than incandescent and last 25x longer. Replacing 20 bulbs saves $100–200/year. A 10-pack of quality LEDs costs about $10–15. This is the single best ROI home improvement you can make. Use our LED Savings Calculator.
7. Install a Smart Thermostat
Smart thermostats (Nest, Ecobee, Honeywell Home) learn your schedule and optimize heating/cooling automatically. Average savings: $150–200/year. Cost: $100–250. Payback: under 18 months. Many utilities offer rebates of $50–100.
8. Install Low-Flow Showerheads
A WaterSense showerhead costs $20–50 and reduces water heating energy by 25–50% for showers. Annual savings: $50–100.
9. Use Power Management on Computers
Enable sleep mode after 10–15 minutes of inactivity on all computers and monitors. A desktop that sleeps instead of staying on saves about $35–50/year.
10. Clean HVAC Filters Regularly
A dirty air filter forces your HVAC system to work harder, increasing energy use by 5–15%. Replace filters every 1–3 months depending on usage. A $5 filter saves more than it costs.
Bigger Upgrades (Higher Upfront, Higher Savings)
11. Add Insulation to Your Attic
If your attic has less than R-30 insulation, adding more can reduce heating and cooling costs by 15–25%. Cost: $1,500–3,000. Payback: 3–7 years. Qualifies for up to $1,200 IRA tax credit.
12. Upgrade to ENERGY STAR Appliances
When it's time to replace appliances, ENERGY STAR models use 10–50% less energy. A new ENERGY STAR refrigerator saves ~$30/year vs a 15-year-old model. A new ENERGY STAR washer saves ~$45/year in energy and water.
13. Install Solar Panels
The most impactful long-term change. A 6kW solar system saves $1,000–1,500/year and pays back in 6–10 years after the 30% tax credit. See our Solar ROI Calculator.
14. Switch to a Heat Pump
If you have electric resistance heating, switching to a heat pump can cut heating costs by 50–60%. Heat pumps move heat instead of generating it, making them 2–4x more efficient. Qualifies for up to $2,000/year IRA tax credit.
15. Install a Heat Pump Water Heater
A heat pump water heater uses 70% less electricity than a standard electric water heater, saving $300–500/year. After the $300 IRA tax credit, payback is typically 3–5 years.