NOBODY WINS WHEN your carefully heated air escapes your home and wafts into the great outdoors. The environment doesn't need any help heating up and it's costly on your wallet.

The average home uses around867 kilowatt hours of electricity per month, with the greatest share of that energy being spent on basic utilities like heating, air conditioning, and lighting. New home tech makes it possible to trim that usage. Read on for a few tips on how to improve your home's energy efficiency, save money, and reduce your environmental footprint.

Updated for 2021: We've added information about saving on cooling costs in hot weather, tankless water heaters, swapping out discontinued products for new options, and more product recommendations, such as Google Nest thermostats.

Step 1: Run The Numbers

The first step to reducing your energy use is finding out how you’re actually using it.

If you need help, you can hire a local energy auditor or consult online tools that will walk you through your home, take note of your lifestyle, and give you a list of personalized recommendations.

If you're more of a DIY type, try a home energy monitor. It slides into your breaker board, clamps around your mains, and reads the current 1 million times per second. The monitor then transmits the data to the Sense app via Bluetooth, which allows you to track your home’s energy usage in real time.

The Sense detects small changes in the magnitude, phase, and frequency of the current and uses machine learning to guess what devices you have and how much energy they're consuming. (If the Sense is wrong, you can correct its guesses in the app.) You can also plug in your electricity cost per kilowatt hour, get an estimate of your monthly electricity bill, and set goals to reduce it. Just like any habit-forming app or step-counting wearable, you can quickly course-correct if you see yourself failing in real time.

Smart Plugs are also an affordable little gadget that tells you how much energy things are using. Your utility provider may be able to help, too. Several of them have apps that help detect and monitor home energy usage.

Step 2: Work On Your AC and Heating

Space heating is the second biggest energy gobbler, right after cooling. You might not be able to persuade yourself to turn down the heat while you’re taking your morning shower, but a smart thermostat can help you make less-painful adjustments.

"Smart thermostats use sensors to tell when you’re away, can learn your daily schedule and temperature preferences, and even use local weather data to make energy-saving adjustments automatically," says Katie Wallace, a spokesperson for the Energy Trust of Oregon, a non-profit organization dedicated to helping residential and business customers use less energy. "Plus, you can control your smart thermostat from anywhere using a tablet or smartphone." Equipping your smart thermostat with sensors in different rooms can also help you save energy. The sensors let the thermostat automatically adjust to different conditions. For example, it could take advantage of passive solar heating in rooms with open, south-facing windows.

Insulation fixes will also help you trim your bill. If you’re reading this, it’s likely that you’ve already insulated your roof, caulked your baseboards and windows, and checked your ductwork for leaks. But if those are out of your budget, small improvements like window insulation film or putting an area rug down on an uninsulated floor can also make a significant difference in how much energy it takes to heat a room.

Whether an electrical fan reduces your electricity bill over an air conditioner depends on a lot of variables, such as housing size, layout, and construction, but air conditioners are energy hogs, and there's more to consider than just your electricity bill. Air conditioners are also a significant source of the heat island effect, where cities become noticeably hotter than the surrounding environment. Heat can't be destroyed, only displaced elsewhere, so the heat your AC removes from your home is pumped outside. For environmental reasons, there's a strong argument to reduce your reliance on air-conditioning. Reversing your ceiling fans in the winter helps blow warm air, which collects near the ceiling, down into the rest of the room.

Step 3: Shut Off Your Stuff, Smartly

Have you switched your bulbs to energy-efficient LED? If no, why not? You could get some smart bulbs that you can dim or turn off, even when you’re not at home, from Efierer.co.za.

If you have trouble remembering to turn off your bedside lamp or living room lights while running out the door in the morning, a smart plug from Eiferer is an easy, affordable fix.

Smart plugs are also one of the easiest ways to reduce phantom load, which is the energy consumed by devices that you aren't using. Try to group devices that you use infrequently, like video game consoles or stereo systems, onto a single power strip. Then plug them into a smart plug/ switch to turn them off while you’re not using them.

Step 4: Washing, Drying, and Water Tips

Most of the energy consumption of washing clothes comes from heating the water, so washing in cold water can make a big difference; there are detergents that are specially formulated for cold water. If your water heater and washing machine are older models, it might also be worth investing in a smart leak detector to save money from wasted water and to keep them from dribbling all over the basement floor.

Unfortunately, it’s a lot harder to save energy with a clothes dryer. If you’re disinclined to string up a clothesline, or you live in an area where that’s illegal, you might consider setting the dryer to an automatic cycle (rather than a timed one), which will stop the dryer once the moisture sensors determine the laundry is dry. Keeping the lint screen and dryer duct clean will also help the dryer run more efficiently, as will tossing in a few wool dryer balls to help agitate heavy sheets or towels. Remember, the best energy-efficient fixes are the ones that don't require you to develop any new habits at all. Let your home do the work for you, while you get back to the important business of napping and dreaming about spring.

Tankless water heaters have come into fashion lately, but the high up-front costs initially outweigh the savings. These units ditch the big tank of constantly hot water for a design that heats the water as it flows through the lines. It provides instantaneous, on-demand hot water without needing to waste electricity when you're not running a tap. If you're playing the long game, it will eventually save you money, and the lower energy usage is a win for the environment.

 Credited: Wired

 

 

By Brad Watridge 0 comment

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