Energy Efficiency Costs & Benefits Explained (2024)

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Energy Efficiency Costs & Benefits Explained (1)

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The U.S. Department of Energy (DOE) estimates that the average American wastes $400 worth of energy on air leaks, drafts, and outdated heating and cooling systems. While energy-efficient appliances and products are usually more expensive than conventional alternatives, the electric bill savings generated over the life of these products can offset the initial cost and provide a return on investment.

Boosting your home's energy efficiency is likely to pay even higher returns as energy and fuel prices continue to rise, but the actual amount of savings differs based on the type of upgrade. You can make various energy-efficient upgrades in your home, from simply replacing your light bulbs to more intensive projects like sealing air leaks and replacing windows. A combination of compatible upgrades in a "whole-house" approach will typically earn more significant savings over time.

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What is an energy-efficient appliance?

Household appliances have two prices: the purchase price and the operating cost. To find the actual cost of an appliance over its lifetime, multiply the monthly operational cost by the product's lifespan, and add that amount to the purchase price. Given this, energy-efficient appliances are often the cheaper option in the long run.

Energy Star-certified appliances consume less energy during active use and on standby than comparable conventional products. Refrigerators, clothes washers, dryers, and dishwashers are common household appliances with Energy Star labels.

Energy-efficient water heating

An Energy Star-certified water heater can save you $3,500 over its lifetime. Here are four ways to decrease your water heating expenses:

  1. Use less hot water throughout the day.

  2. Turn down the thermostat on your water heater.

  3. Insulate your water heater and the first 6 feet of hot and cold water pipes connected to your heater to minimize unnecessary heat loss.

  4. Replace your water heater with a more efficient model.

Water heaters last 10 to 15 years on average, giving energy-efficient water heaters ample time to generate savings relative to cheaper, conventional models. When replacing your water heater, choose the model that best fits your needs.

For example, tankless water heaters cannot handle simultaneous multiple uses of hot water, making them a poor choice for large families. Tankless coil and indirect water heaters are often an inefficient option for homes, but especially for those located in warmer climates. The U.S. Department of Energy offers a comprehensive overview of all the factors you should consider when purchasing a new water heater.

Energy-efficient lighting

Replacing old bulbs with energy-efficient alternatives is one of the easiest methods to reduce your utility bills. Still, the savings are less significant than some other energy-efficiency measures, like replacing an old refrigerator or water heater. Still, light-emitting diodes (LEDs) use at least 75 percent less energy and last 25 times longer than traditional incandescent bulbs. Energy-efficient bulbs are better for the environment and your finances, given their annual savings and long life.

Energy-efficient windows

Windows are among the most attractive features of any home but are responsible for a significant amount of energy waste. Replacing single-pane windows with double-pane windows can reduce unnecessary heating costs. Gas-filled windows with low emissivity (low-E) coatings can significantly reduce heat loss for homes in colder climates. On the other hand, households in hotter climates should purchase windows with spectrally selective coatings to reduce heat gain. Low-E coatings may also reduce heat gain due to their reflective nature, making them viable options for keeping heat in during the winter and out during the summer.

Window curtains can also play a significant role in reducing unwanted heat loss or gain by providing an extra layer of insulation between your home interior and the conditions outside. Additionally, storm windows can minimize heating or cooling expenses and protect your home during extreme weather events.

Thermostat setting

According to the DOE, you can save about 30 percent on your utility bills by upgrading your HVAC system, properly air-sealing and insulating your home, and controlling interior temperatures with a programmable thermostat.

Heating and cooling expenses comprise about 53 percent of residential energy use and thus have the most potential for utility bill savings. Programmable thermostats optimize temperature use within your home and can reduce your overall energy use. You can set your programmable thermostat to heat and cool your home at certain times and turn off heating and cooling systems when you're away.

A programmable thermostat does not address the root cause of your high utility bills. Heating and cooling expenses are heavily dependent on average regional temperatures. Significant energy expenditure differences exist between the West Coast and Northeast regions. As a result, households in regions with extreme temperatures can receive more significant benefits from heating, ventilation, and air conditioning (HVAC) related upgrades.

In addition, it will take more energy to maintain interior temperatures at any given level if your home is not adequately air-sealed or insulated. Because your home interior is more exposed to external temperatures, it will take more energy to heat your home in the winter and cool it in the summer.

Pair your energy-efficient upgrades with a solar panel system

To further insulate your home against rising electricity prices, consider installing solar panels on your property to generate your own clean electricity. Interested in learning more about going solar? Sign up for a free EnergySage account to connect with our Energy Advisors, compare quotes from vetted installers in our network, and go solar with confidence.

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Energy Efficiency Costs & Benefits Explained (2024)

FAQs

Energy Efficiency Costs & Benefits Explained? ›

The costs of an energy efficiency investment may include the initial capital investment, ongoing maintenance costs, and any potential disruption to operations. The benefits of the investment may include reduced energy costs, improved comfort, increased productivity, and environmental benefits.

What are the benefits of energy efficiency? ›

Using energy more efficiently is one of the fastest, most cost-effective ways to save money, reduce greenhouse gas emissions, create jobs, and meet growing energy demand.

What is the cost effectiveness of energy efficiency? ›

Most likely, energy efficiency will cost program administrators under 4 cents per kWh saved, much less than a new power plant. EPA's very conservative numbers are higher, but still show an energy efficiency cost that is likely to be less than most new power plants.

What are some pros and cons of energy efficiency? ›

Pros include less use of energy and generally less greenhouse gases, while the cons are increased cost.

What are avoided costs in energy efficiency? ›

Avoided cost in this case is defined by the CPUC as the ​“marginal costs a utility would avoid in any given hour” if a distributed energy resource provided power instead of the utility.

Does energy efficiency save money? ›

Energy efficiency saves money

By lowering energy use, energy efficiency reduces monthly energy bills and makes energy more affordable for businesses and families. Some energy-efficient products cost more to buy than other options, but they typically save you money over the long term.

Does energy efficiency have an economic benefit? ›

That said, energy efficiency investments create more jobs per dollar invested than traditional energy supply investments. Efficiency also creates more jobs in the home economy, whereas energy supply jobs and investment dollars often flow outside the country into global energy markets.

What is cost benefit and cost efficiency? ›

The cost-benefit analysis assigns monetary values to both the benefits and the costs of programs (or policies or projects), whereas the cost-effectiveness analysis assigns monetary values only to the costs, which usually proves easier than assigning monetary values to the benefits.

How do you explain cost efficiency? ›

Cost efficiency is the act of saving money by changing a product or process to work in a better way. This is done to improve the organization's bottom line by decreasing procurement costs and improving efficiencies across the board.

What is cost efficiency examples? ›

For instance, a company may spend $100 to create a product worth $500. As the company continues to discover ways to reduce the production cost further and improve quality simultaneously, the cost efficiency will continue to improve along with the improved quality of the product.

Why is energy efficiency an issue? ›

Poorly designed energy policies, and technologies that do not satisfy users' needs, lead to 'performance gaps' that are both energy and economically inefficient.

What are the disadvantages of increasing energy efficiency? ›

The main disadvantage of energy efficiency is the initial cost. Upgrading to more efficient systems and appliances can be expensive, and there may be additional costs for installation, maintenance, and repairs.

What is the disadvantages of efficiency to use? ›

1. Because costs are usually easier to measure than benefits, efficiency often reduces to economy: cutting measurable costs at the expense of less measurable benefits. Think of all those governments that have cut the costs of health care or education while the quality of those services have deteriorated.

What is the most cost efficient form of energy? ›

What is the cheapest source of renewable energy? Solar, onshore and offshore wind are the cheapest sources of renewable energy, with solar leading the way. Solar became the most affordable renewable energy in history in 2021, after it became cheaper than gas.

What is one way to reduce the energy costs? ›

There are many ways you can reduce electricity use in your home: Appliances and electronics -- Purchase energy-efficient products and operate them efficiently. Use an advanced power strip to reduce "vampire loads"--electricity that is wasted when electronics are not in use.

What is the most cost effective way to reduce energy consumption? ›

Air seal your home.

Sealing cracks, gaps and leaks and adding insulation can save up to 10% on home heating and cooling costs. Clean or replace all filters in your home regularly. Dirty filters make your system work harder and run longer than necessary. Use your microwave instead of your stove when cooking.

How does energy efficiency benefit the environment and society? ›

As you improve your home's energy efficiency, you need less electricity and thus rely less on carbon-intensive power plants. This reduces your home's demand from the plant, which benefits the environment by reducing carbon dioxide emissions.

What are examples of energy efficiency? ›

Energy efficiency, on the other hand, involves using technology that requires less energy to perform the same function. Energy-saving light bulbs, large household appliances, smart thermostats, and smart home hubs like Constellation Connect are all examples of technology that can be energy efficient.

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