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Tips for conserving energy around the house this summer

Adjusting your thermostat is just one of many ways you can conserve energy around the house.

As the summer heats up, a lot of A/Cs are running 24 hours a day, resulting in some of your highest electric bills for the year. Fortunately, you don’t have to boil in the summer heat just to save a few bucks. By following these simple summer energy-saving tips, you can keep the temperature, and your budget, well within the comfort zone.


1.    Check your air conditioning

Your air conditioner requires regular maintenance to function efficiently throughout its years of service. Neglecting necessary maintenance ensures poor performance and unnecessarily high energy use. Checking the coils, fins, evaporative cooler, and heat pump may require the services of a professional.

Fortunately, you don’t have to be a certified HVAC technician to give your A/C a quick, basic check and make sure that it can do its job effectively. Vacuum air vents regularly to remove any dust buildup and ensure that furniture and other objects are not blocking the airflow through your vents. Avoid placing lamps or TV sets near your thermostat. The thermostat will sense the heat these appliances create, which can cause your A/C to run longer than necessary.

2.    Replace your air filter

Replacing your air filter is one of the easiest and most effective things you can do to make sure that your A/C runs smoothly and efficiently. Clogged, dirty filters block normal airflow and reduce your air conditioner’s ability to absorb heat. Replacing a dirty filter with a clean one can lower your A/C’s energy usage by up to 15%.

Clean or replace your air conditioning system’s filter every month or two. Filters need more frequent attention if your A/C is in constant use, is subjected to excessive dust, or if you have fur-shedding pets. Single-room air conditioners will have a filter mounted in the grill that faces into the room. In central air systems, you can find the filter somewhere along the length of the return duct. Common locations are in walls, ceilings, furnaces, or in the air conditioner itself.

 3.    Opt for LED light bulbs

If you’re still using incandescent light bulbs, then it’s time to switch to LED lights. Incandescent bulbs are extremely inefficient. Only about 10 to 15% of the electricity that they use gets turned into light—the rest becomes waste heat. LED lights are the most energy-efficient lighting option currently available. They use 75% less energy, last 25 times longer, and run much cooler than standard incandescent lights. They cost a little more up front but soon pay for themselves in energy savings.

 4.    Use your thermostat wisely

Set your thermostat as high as comfortably possible in the summer, ideally 78°F or higher. Every degree of extra cooling will increase energy usage six to eight percent. Keep your house warmer than normal when your family is away at school and work, and lower the temperature only when people are at home. Avoid lowering the thermostat while air conditioning is running. It won’t cool your house any faster and may result in energy waste.

A smart thermostat can make these temperature transitions easy. Smart thermostats are Wi-Fi enabled devices that automatically adjust the temperature settings in your home for peak energy efficiency. Smart thermostats learn your habits and preferences and establish a schedule that automatically adjusts to energy-saving temperatures when you are asleep or away.

Some states and local city governments incentivize installing a smart thermostat with rebates, so searching for rebates or other perks available in your area can help save on a new device. Check with your energy provider as they might offer exclusive discounts on smart thermostats.

5.    Use fans with your A/C

Running a fan is much cheaper than running your air conditioning. In fact, running a fan 24/7 for an entire month would only cost about 5 dollars on your electricity bill. Unfortunately, fans don’t actually produce cold air—they just move the existing air around. The air flow creates a wind chill effect that helps people feel more comfortable, but it does nothing to change the temperature.

However, fans and air conditioning work very well together. If you use air conditioning, a ceiling fan will allow you to set your thermostat setting about 4°F higher with no reduction in comfort. Remember to turn your fans off when you leave the house. With no people around to feel the wind chill effect, the fans aren’t doing much except making your energy bill slightly higher.

6.    Close your blinds

Close your blinds or drapes in the daytime to keep out the greenhouse effect of the sun. Southern- and western-facing walls take the brunt of the sun’s heat, so invest in good drapes or shades for the windows on these walls and keep them closed. North-facing windows admit relatively even, natural light, producing little glare and almost no unwanted summer heat gain. You can leave these shades open to admit natural light into your house without heating things up.

7.    Get an energy-efficient dehumidifier

In hot, humid climates, a dehumidifier is a perfect partner to your A/C and a great way to lower humidity levels in your home. A dehumidifier helps lower energy costs because your A/C won’t have to work as hard. When the air in your home is too humid, your air conditioner has to do double duty—cooling the air as well as removing moisture. An A/C that works too hard will also break more often, requiring lengthy and expensive repairs.

8.    Avoid the oven

Cooking with a conventional oven can add unwanted heat to your house, forcing your A/C to work harder. Do more of your cooking with a microwave or slow cooker to keep the kitchen cool. Better yet, use the summer heat as an excuse to fire up the backyard barbeque. Outdoor grilling is a summertime tradition for a reason—you can cook delicious meats and veggies while keeping the heat outside.

9.    Wash srategically

Washing machines, clothes dryers, and dishwashers all generate a ton of heat. Cut back on this by only using cold water to do your washing. Wash only full loads of dishes and clothes to avoid running the appliances too much. Avoid using your clothes dryer entirely. After washing, hang up your wet clothes to air dry.

The cold water technique isn’t just for clothes and dishes; you can use it for your body as well. It may take some getting used to, but a cold shower can be brisk and refreshing in the hot, sweaty months of summer.

Since you’re not using as much hot water, you can also turn down the temperature on your water heater. Turning your heater down to the warm setting of 120 degrees Fahrenheit can save you a few dollars every month.

10. If you aren’t using it, unplug it

From your computer to your toaster, all electronics generate heat. Even if it’s switched off, just being plugged in generates a small amount of heat in the wiring. Too keep things cool, unplug any electronics you’re not using. It’s not much per device, but add up all the gizmos in your home, and it can make a few degrees difference.

11. Seal your home

 Insulation isn’t just for the cold winter months. Preventing air leaks is one of the best ways to keep warm air out and cool air in. Simple caulking and weather-stripping can save up to 30 percent on heating and cooling costs. Sealing your home against these leaks is easy, effective, and relatively inexpensive. Use caulk to seal cracks and openings between stationary objects like door and window frames. Apply weather-stripping around things that move, such as window sashes and the door itself. Be sure to check your attic and basement for air leaks, as these floors have large gaps in insulation or missing weather-stripping. Seal the small cracks with foam or caulk. For larger holes, you may need to install or replace insulation. 

Save on your energy bill all year long

Energy savings aren't just a summer activity. Many of these tips will save you money all year long. Air stripping, insulated curtains, and intelligent thermostat usage will keep your home cool in the summer and warm in the winter. Creating smart energy habits will reduce waste, improve efficiency, and save you money on your energy bill year round.

(Information for this article came primarily from the following: