How to Lower Your Electric Bill: 20 Tips That Actually Work

Every "lower your electric bill" article on the internet includes "unplug your phone charger." Your phone charger costs $2 per year. That is not a tip; that is a rounding error.

This list is ranked by actual dollar impact. The first five items can save $50-200/month. The last five save $1-5/month. Start at the top, do the ones that apply to your situation, and stop when the effort is not worth the savings.

The Big Five (Each Saves $20-100+/month)

1. Adjust Your Thermostat ($20-60/month)

Every degree below 78F in summer adds 6-8% to cooling costs. Every degree above 68F in winter adds 3% to heating costs. Setting your central AC to 78F instead of 72F saves 35-50% on cooling. Setting heat to 66F instead of 72F saves 15-20% on heating.

A programmable or smart thermostat automates this: raise temperature when you leave, lower it before you return. Studies consistently show 10-15% savings from smart thermostat use alone.

Savings: $20-60/month depending on your climate and current settings.

2. Switch All Lighting to LED ($15-40/month)

If you still have incandescent or halogen bulbs, replacing them with LED cuts lighting costs by 75-83%. A home with 25 incandescent bulbs spends about $45/month on lighting. The same home with LEDs spends $7.50/month. The LED bulbs cost $25-60 total and pay for themselves in one month.

This is the highest-ROI energy upgrade in existence. See our full breakdown: LED vs. Incandescent vs. CFL.

Savings: $15-40/month depending on how many non-LED bulbs you replace.

3. Seal Air Leaks and Add Insulation ($15-50/month)

The Department of Energy estimates that air leaks waste 25-30% of heating and cooling energy. Common leak points include window frames, door frames, electrical outlets, attic hatches, and ductwork. A $20 roll of weatherstripping and a $5 tube of caulk can seal most leaks in an afternoon.

Adding attic insulation from R-19 to R-38 costs $500-1,500 (DIY) or $1,500-3,000 (professional) and reduces heating/cooling costs by 10-20%.

Savings: $15-50/month depending on your home's current condition.

4. Upgrade to a Heat Pump ($30-80/month if replacing electric resistance)

If you heat with an electric furnace or baseboard heaters, a heat pump delivers the same warmth at 40-60% less electricity. Monthly heating costs drop from $100-200 to $40-80. The upfront cost ($4,000-8,000 installed) pays back in 2-5 years.

This does not apply if you heat with gas, which is already cheaper per BTU than electric resistance.

Savings: $30-80/month during heating season.

5. Fix or Replace Your Water Heater ($10-30/month)

Lower the electric water heater thermostat from 140F to 120F (saves 5-10%). Add an insulation blanket ($20-30, saves another 5-10%). Fix any dripping hot water faucets (each drip wastes hot water that the heater must replace).

For the biggest savings, upgrade to a heat pump water heater, which uses 60% less electricity than a standard electric tank. Federal tax credits cover up to 30% of the cost.

Savings: $10-30/month.

The Solid Middle (Each Saves $5-20/month)

6. Wash Clothes in Cold Water ($5-12/month)

Heating water accounts for 90% of a washing machine's energy use. Switching from hot to cold water cuts washing machine energy consumption by 85-90%. Modern detergents are formulated for cold water. Your clothes come out just as clean.

7. Line-Dry Half Your Laundry ($6-10/month)

The clothes dryer is one of the top 5 electricity consumers in most homes. Line-drying or rack-drying even half your loads cuts dryer costs by 50%. Each load you skip saves $0.63-$0.84 in electricity.

8. Use the Moisture Sensor on Your Dryer ($3-5/month)

If you do use the dryer, switch from timed dry to the moisture sensor setting. Timed cycles often run 10-15 minutes longer than necessary because they cannot detect when clothes are actually dry. The sensor stops the cycle at the right time, saving 10-15% per load.

9. Use Ceiling Fans and Raise the AC ($5-15/month)

Ceiling fans cost $3-5/month to run and create a wind-chill effect that makes you feel 4-6 degrees cooler. Running ceiling fans and setting the AC 4 degrees higher saves 20-30% on cooling with no perceived comfort loss. Turn fans off when you leave the room; they cool people, not air.

10. Maintain Your HVAC System ($5-15/month)

A dirty air filter forces your AC and furnace to work 10-15% harder. Replace filters monthly during heavy-use seasons. Annual professional maintenance (cleaning coils, checking refrigerant, inspecting ductwork) costs $100-200 and keeps the system running at peak efficiency. A well-maintained HVAC system lasts 15-20 years; a neglected one may need replacement at 10-12 years.

11. Use a Toaster Oven or Air Fryer Instead of the Full Oven ($3-5/month)

An electric oven at 2,500W heats a large cavity for every meal. A toaster oven or air fryer at 1,400-1,500W heats a small space and cooks faster. For any meal that fits, the smaller appliance uses 50% less electricity. If you cook with the oven 5 times per week, shifting 3 of those to a toaster oven or air fryer saves $3-5/month.

12. Upgrade Your Pool Pump ($20-50/month, pool owners only)

If you have a single-speed pool pump, replacing it with a variable-speed model cuts pump energy use by 60-80%. Monthly savings of $20-50 mean the $800-1,500 investment pays back in 1-2 years. This is one of the highest-impact upgrades for pool owners.

The Easy Wins (Each Saves $1-5/month)

13. Turn Off Lights When Leaving a Room ($1-5/month)

With LED bulbs, each light left on costs only $0.30/month. But 5 forgotten lights add up to $1.50/month, and 15 forgotten lights cost $4.50/month. The savings are modest with LEDs but the habit costs zero effort.

14. Use Smart Power Strips for Entertainment Centers ($2-5/month)

A cable box draws $2-5/month in standby. A gaming console in rest mode draws $1-1.50/month. A soundbar in standby draws $0.50-1.50/month. A smart power strip that cuts all of these when the TV turns off saves the combined standby draw. Total savings: $2-5/month.

15. Replace an Old Refrigerator ($3-8/month)

A refrigerator manufactured before 2005 uses 40-100% more electricity than a modern Energy Star model. Replacing a 20-year-old fridge saves $3-8/month. If you have a second fridge in the garage that is mostly empty, unplugging it saves $5-15/month instantly.

16. Reduce Hot Water Use ($2-5/month)

Shorter showers (7 minutes instead of 12), low-flow showerheads, and fixing dripping hot water faucets all reduce the demand on your water heater. Each minute of hot shower time costs about $0.05-$0.10 in water heating.

17. Cook with a Microwave or Slow Cooker When Possible ($2-4/month)

The microwave uses 80% less energy than the oven for reheating. A slow cooker uses less energy for a full meal than the oven uses in one hour. An Instant Pot pressure cooks a stew in 30 minutes using less total energy than 3 hours in the oven.

18. Use Power Management on Computers ($2-4/month)

A desktop computer at idle draws 80-120W. In sleep mode, it draws 2-5W. If your computer idles for 8 hours overnight, putting it to sleep saves $4-6/month. A laptop uses 60-75% less electricity than a desktop for equivalent everyday tasks.

19. Run the Dishwasher Full and Skip Heated Dry ($1-3/month)

Running half-full loads doubles the per-dish electricity cost. Skipping the heated dry setting on the dishwasher and letting dishes air-dry saves 15-25% of the cycle's energy.

20. Shop Your Electricity Rate (Deregulated States Only) ($5-30/month)

If you live in a deregulated state (Texas, Ohio, Pennsylvania, Connecticut, New York, Maryland, and others), you can choose your electricity generation supplier. Shopping for a competitive rate saves 5-15% on the generation portion of your bill. This is zero-effort savings; you change your supplier online and your distribution utility handles everything else.

What NOT to Bother With

These commonly recommended tips save so little they are not worth your attention:

• Unplugging phone chargers: Saves $0.30-$0.40/year. Your phone charger uses essentially zero power when not charging.
• Unplugging your toaster/blender/coffee maker: Modern appliances with no display draw zero standby power. Older ones draw 1-3W ($0.50-$2/year).
• Turning off the Wi-Fi router at night: Saves $0.30-$0.60/month. Not worth losing smart home connectivity and security camera coverage.
• Only boiling one cup of water in the kettle: Saves about $0.01 per boil. Yes, really.

Focus your energy on the big five. That is where the real money lives.

For exact savings calculations on any appliance mentioned above, use the electricity cost calculator or visit the specific appliance page from our full list of 85+ appliance calculators.