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Home > Projects & DIY Toolkit > Energy Facts

Energy Facts

Save Energy, Save Money

Get more from your home by using less.

Lowe's wants to help you save money with ENERGY STAR® and other energy-saving products. Saving energy not only saves you money, it helps reduce greenhouse gases that contribute to global warming through our consumption of fossil fuels.

Lowe's commitment to energy savings is about more than just the products we offer. We want to make energy savings easy for you. Saving money on energy doesn't require a lot of time, tools, or cash. In fact, some of the most cost-effective measures you can take require no more than a trip to Lowe's, a screwdriver and an hour of your time.

Lowe's is proud to help you save money on your home by saving energy. Join us in learning a wide variety of simple ways you can make a difference in your energy bill and the environment. To start off, here are 10 quick projects with quick results and payback you can do today.

Energy Guide Couple

1. Adjust thresholds and door sweeps

That little 1/8-inch gap along the bottom of your front door is equivalent to having a four-inch hole in your wall; you'd plug that up fast! If your threshold and lower door sweep are adjustable, take five minutes to adjust them so they're snug. Usually it requires only a screwdriver. If they're not adjustable, replacement parts are available. View our helpful guides and videos

2. Add electrical outlet sealers

The area behind electrical outlet boxes is frequently neglected when a house is insulated. Adding more insulation usually isn't an option, but reducing drafts from air leaks is. Foam electrical outlet sealers, designed to fit snugly behind outlets and switch cover plates, are inexpensive and install easily.

3. Seal leaky ductwork

The average forced-air system loses over 20% of its heated (or cooled) air through leaks in the duct system. In open basements and attics where ductwork is accessible, it's usually easy to seal these leaks.

Two materials excel at the task, both are inexpensive and the typical payback period on your investment is less than two years. Use a silicone sealant designed for ducts to seal gaps around curved seams, and aluminum tape to seal straight seams. Note: Contrary to its name, duct tape is actually one of the worst materials for sealing ducts; it degrades very quickly.

4. Install an ENERGY STAR® programmable thermostat

By lowering your thermostat you can save 2% on your heating bill for every 1° C it is lowered. Use an ENERGY STAR programmable thermostat to drop the temperature at night or when you are away to save you up to $175 in annual energy costs.

Select a programmable thermostat that works with your heating and cooling system.

Energy Guide Thermostat

Replacing five bulbs with ENERGY STAR® qualified compact florescent bulbs can save you up to $45 a year.

5. Make sure your chimney damper is shut tight

Don't overlook the obvious. Did you remember to shut your fireplace damper after that cozy little fire you had a few months ago? Open dampers allow chimneys to pull warm air out in winter and cool air out in summer.

6. Lower the temperature on your water heater

Heating water beyond 99° C can be both unsafe and wasteful. You can easily save money by lowering the temperature setting on your water heater. It's usually as simple as turning a dial. If your water heater doesn't have temperature markings on the dial, check water temperature with a cooking thermometer and gradually adjust the temperature by trial and error.

7. Install dimmer switches and motion detector lights

An inexpensive dimmer switch can lower your utility bill and substantially prolong bulb life. Installing motion detector lights outdoors keeps lights from burning all night long. For non-motion detector fixtures, screw-in adapters and independent motion sensors are available.

8. Clean your refrigerator coils

At least twice a year (more often if you have pets that shed) take time to clean the coils behind or beneath your refrigerator. Clean coils help the compressor work faster and run less often, saving electricity and resulting in fewer service calls and longer life for your appliance.

9. Change furnace and cooling equipment air filters

Check your filter every month, especially during heavy-use months, both summer and winter. A dirty filter will slow down airflow and make the system work harder. A clean filter will also prevent dust and dirt from building up in the system.

Energy Star Logo

10. Invest in ENERGY STAR® products

When shopping for new appliances, heating and cooling equipment, light fixtures and building materials, look for the ENERGY STAR® logo. It's your assurance that the product uses less energy, saves more money and helps protect the environment better than standard models.


Flourescent Light Bulb

Installing ENERGY STAR® qualified compact fluorescent bulbs (CFLs) is perhaps the most cost-effective way to save energy and money today.

With an initial investment of as little as $2-3, a single CFL bulb will pay for itself many times over. Why the great savings? While more than 80% of the energy consumed by a standard incandescent bulb goes into creating heat, most of the energy consumed by a CFL goes into creating light; that makes them much more energy efficient.

CFLs today are the best quality ever and available in styles such as dimmable, three-way, decorative and outdoor. Lowe's also offers a wide variety of ENERGY STAR® qualified light fixtures, from torchieres to decorative fixtures, bathroom fixtures and more.

Was this information Helpful?

These How-Tos are provided as a service from Lowe's, the Original Home Improvement Warehouse of How-To information for the World Wide Web. The information in Lowe's "How-To" clinics is intended to simplify jobs around the house. Tools, products, materials, techniques, building codes and local regulations change; therefore, Lowe's assumes no liability for omissions, errors or the outcome of any project. The reader must always exercise reasonable caution, follow current codes and regulations that may apply, and is urged to consult with a licensed professional if in doubt about any procedures. Please visit our terms of use which governs your use of these How-Tos.

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