7 Smart Ways to Cut Your Light Bulb Costs

Have you ever added up how much you spend on light bulbs for your home? Over time, the cost can reach hundreds of dollars. These practical tips can help you save money and extend the life of your bulbs.

by Andrea Norris-McKnight

You may already use CFL or LED bulbs to lower your electricity bills. If you haven’t switched yet, it’s worth noting that incandescent bulbs were phased out for sale and manufacture in the U.S. in 2023, so energy-efficient options are now the norm.

CFL bulbs are roughly four times more energy-efficient than incandescent bulbs and typically last about ten times longer, while LED bulbs are even more efficient and last two to four times longer than CFLs. LEDs cost more up front but offer the best long-term savings.

Beyond choosing efficient bulbs, there are other ways to reduce how often you replace them and to lower your lighting costs. Below are easy, effective strategies to save on light bulbs and make your lighting last longer.

Ways To Save on Light Bulbs

  1. Compare prices.
  2. Choose the right wattage.
  3. Use dimmer switches.
  4. Take advantage of natural light.
  5. Turn off lights when not in use.
  6. Use motion sensors or timers.
  7. Maintain light fixtures.

1. Compare prices

Light bulbs are commonly purchased in a hurry at big-box stores or grocery shops, but prices can vary widely between retailers and online. Look for sales, bulk discounts, and clearance deals. Buying multipacks or shopping during promotional periods often lowers the per-bulb cost substantially. Stock up when you find good prices so you’re not paying full price when you run out.

2. Choose the right wattage

Always check the maximum wattage rating shown on lamp sockets or fixtures and select a bulb with the appropriate wattage or equivalent lumens. Using a higher wattage than recommended wastes energy, increases heat, and can shorten bulb life or even damage the fixture. For most general lighting, consider lumen output rather than wattage to ensure you get the right brightness while saving energy.

3. Use dimmer switches

Installing dimmer switches lets you lower brightness when full light isn’t needed. Running bulbs at lower power reduces energy use and can extend their lifespan. Make sure any dimmer is compatible with the type of bulb you choose—many LEDs require dimmers designed for LED use.

4. Take advantage of natural light

Rely on daylight whenever possible. Open blinds and curtains to illuminate rooms during daytime hours and arrange work and reading areas near windows. Reducing reliance on artificial light not only saves electricity but also reduces the total hours bulbs are in use, which extends their life.

5. Turn off lights when not in use

It’s a habit that still pays off: switch lights off in unoccupied rooms. While modern CFLs and LEDs are more efficient and longer-lasting than old incandescent bulbs, leaving lights on unnecessarily still wastes energy. Some studies suggest prolonged continuous operation can affect LED lifespan, so turning lights off when you don’t need them helps both the environment and your wallet.

6. Use motion sensors or timers

Motion sensors and timers are especially useful in areas where lights are frequently left on by accident, such as garages, porches, closets, and hallways. These devices automatically turn lights off after a set interval or when no movement is detected, cutting wasted electricity and reducing bulb run time.

7. Maintain light fixtures

Keep fixtures and bulbs clean. Dust and grime on lamps and shades reduce light output, which can lead you to use brighter settings or additional bulbs. Regular cleaning improves efficiency and can help bulbs run cooler, which supports longer life. Also check fixtures for loose connections or damaged sockets, since electrical issues can cause bulbs to fail prematurely.

LED Bulbs Cost More But Can Save You the Most

Although LED bulbs have a higher upfront cost, their energy efficiency and long lifespans mean substantial savings over time. Government and energy resources estimate that switching to LEDs can save the average household a few hundred dollars over the lifetime of the bulbs. Combining efficient bulbs with the practical tips above will maximize your savings and reduce how often you buy replacements.

Reviewed April 2025