How much does it cost to run a fan? And which models are most efficient?

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  • Hot or clogged rooms require constant cooling air. But how much does it cost to use a heater? Can leaving a person in a home office for a night or a full day lead to huge energy bills?

    Fans are invaluable in hot weather: many of us keep them low all night to ensure a good night’s sleep, keep them on the table on hot, humid days, or keep them handy. For home workouts.

    How much power does your fan consume? We’ve looked at how much you can spend per hour running a fan and how to keep your bills from skyrocketing and save energy in your home.

    How much does a fan cost?

    The good news is that fans are surprisingly energy efficient, especially compared to electric air conditioning units.

    If you want to know exactly how much the fan of your choice costs, you first need to understand how much power it uses. You can do this by checking the feed. This should show up in the fan or manual. Once you know the fan’s wattage, convert it to kilowatt-hours. It sounds complicated, but you just need to divide the power by 1000 to get the energy consumed in an hour.

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    The smallest models can only use 5 watts, while larger fans can exceed 100 watts. For example, if you have a 50-watt fan, divide 50 by 1,000 to get 0.05. If you use it ten hours a day, multiply by 0.05 10 to get 0.5 kW. This is the energy used by the fan on a daily basis.

    To calculate the cost, you need to know what you pay per unit of power (1 kW). This must be mentioned on your electricity bill. According to the Energy Conservation Fund, the national average electricity price (as of November 2021) percent/kWh is 20.33 cents. For illustration purposes, we have rounded to 20 cents.

    Multiply the cost per unit of energy by the fan’s kilowatts to see how much it costs to use one fan.

    • Example 18 inches floor fan Use up to 110 watts at full speed, equivalent to 0.1 kWh. So if you pay 20 cents for electricity, it will cost you 2 cents per hour. 20p for more than 10 hours.
    • compared to example fan without propellerConsuming 56 watts or 0.056 kWh, your hourly rate is just over 1p. Anything over 10 hours will cost 11.2p.
    • E.g tower fan Use 35 watts or 0.035 kWh, use less than 1 p/h and over 10 hours, only 7 p/h or even cheaper.

    Do some fans cost less to use than others?

    While electric fans can provide some relief, if you’re too hot to sleep, the last thing you want is a nasty surprise when your electricity bill arrives. Therefore, it should be known that different types of fans last longer than others.

    • blade fan Use the most energy. In general, the larger the blades, the more energy is required to rotate them.
    • tower fan They generally use less power than fans, but are generally less efficient at moving air, so you may need to use them at higher speeds.
    • blunt fan, sometimes called the air coefficient, draws in air before directing it through the asymmetric vanes, increasing air pressure and flow, and then pushing it out of the room. This means using them can be more energy efficient than fans with more moving parts.
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    What energy-saving features should you pay attention to when buying a fan?

    If you’re looking for the best fans to save energy, consider these helpful features that will help make your model as energy efficient as possible.

    1. DC motor

    It is more energy efficient to replace the AC power with a DC motor fan. For example, the Bionaire ISF004 desktop fan with a DC motor consumes 63% less energy than a conventional fan. Copper motors can also help reduce energy losses by producing less heat.

    2. Timer

    You can save energy by setting the fan to run instead of running all the time. Some models, like the Dyson Cool AM07, have a sleep timer that can be set to turn off after a preset amount of time so you don’t have to stay up late.

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    3. Speed ​​of change

    Selecting multiple speeds will help reduce fan power consumption. When the temperature is comfortable, lower the temperature. Look for models with a remote to make this easier, and you don’t have to get up or bother to do it.

    How can I reduce the cost of running a fan?

    1. Turn it off while you’re away

    A fan doesn’t make a room cooler by itself, it only makes you feel cooler by moving air through your skin. If you leave the room, turn off the fan. When the outside temperature drops, opening windows allows fresh air to enter the room, so it’s best to turn on the fan an hour or so before bedtime.

    2. Draw the curtains

    “It may seem natural to be exposed to the sun on a clear day, but this creates a greenhouse effect of up to 30 percent of the heat,” said Evan Stevens, Dyson’s director of environmental management. “Close windows, curtains or blinds during the day to minimize sunlight entering your home.”

    3. Stay on ice

    Instead of raising the fan, use it to cool the air in the room. In front of him a container filled with ice and cold water. This causes small droplets of cold water to circulate, helping the skin to cool faster.

    4. Keep it clean

    As fans circulate air, they collect dust and other particles. Unplug blades, cages and vents to make sure they run as efficiently as possible.

    Article content is collected and compiled by:
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    Source : idealhome.co.uk

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