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A fan’s overnight running cost is usually easiest to calculate from its wattage, how long it runs and your electricity rate. Using National Energy Action’s illustrative rate of 25.7p per kWh, a 50 W fan costs about 10.3p over eight hours. Electrical expert Chris Madikian, quoted by T3 in 2025, gives a broader estimate of £10–£20 added to monthly summer bills—but that figure depends on usage and tariff assumptions not specified in the article.
Calculate the cost for your fan and electricity rate
Use this formula:
Cost = (watts ÷ 1,000) × hours × electricity price per kWh
A kilowatt is 1,000 watts. An appliance drawing 1 kW for one hour uses 1 kWh, the unit suppliers use to bill electricity. National Energy Action explains the kWh calculation; check your fan’s label or manual for its wattage and your bill for your unit rate.
Worked example: a 50 W fan for eight hours
At NEA’s illustrative rate of 25.7p/kWh, an eight-hour run uses 0.4 kWh: 50 ÷ 1,000 × 8. That works out to about 10.3p for one night. Thirty nights at the same hours and rate would total about £3.08. These are calculations from NEA’s example inputs, not a personal bill estimate or a current universal UK electricity price. Your result changes with the fan’s actual power draw, setting, runtime and tariff.
#1 Best Overall
- 𝗢𝗻𝗲 𝗙𝗮𝗻 𝗳𝗼𝗿 𝗔𝗹𝗹 𝗬𝗼𝘂𝗿 𝗡𝗲𝗲𝗱𝘀: From a gentle breeze to a powerful wind, it adapts to your everyday needs with up to 28 ft/s airflow and a wide oscillation angle to deliver fast, whole-room cooling
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How the expert’s £10–£20 monthly estimate fits
In a T3 article published on 12 July 2025, Lizzie Wilmot quoted Chris Madikian, Electrical Expert at The Local Electrician, saying a fan left running can add £10–£20 to monthly electricity bills during summer. Madikian also said the actual cost depends on the fan’s power rating and how many hours it runs each day. The article passage does not specify a particular fan, daily runtime or electricity rate, so the estimate is not a fixed expected cost for every household.
Use the estimate as an expert’s broad summer-cost warning, not as a substitute for calculating your own usage. The formula gives a more tailored figure when you know your appliance’s wattage, hours and rate.
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Fan wattage varies by type and model
The figures below come from two sources and are examples or reported ranges, not guaranteed ratings for every fan. Your appliance’s label or manual is the relevant starting point.
| Fan type | Wattage figure | Source and qualification |
|---|---|---|
| Small desk fan | 25–45 W | Range reported by T3 in 2025 from Chris Madikian. |
| Pedestal fan | 50–100 W | Range reported by T3 in 2025 from Chris Madikian. |
| Tower fan | Up to 110 W | Figure reported by T3 in 2025 from Chris Madikian. |
| Small desk fan | 20 W | NEA illustrative example. |
| Pedestal fan | 50 W | NEA illustrative example. |
| Large fan | 75 W | NEA illustrative example. |
NEA’s illustrative examples use 25.7p/kWh and put a 20 W desk fan at 0.5p per hour, a 50 W pedestal fan at 1.3p per hour and a 75 W large fan at 1.9p per hour. Because the reported ranges and illustrative examples differ, treat each as source-specific guidance rather than a replacement for your own fan’s rating. See NEA’s fan-cost examples.
Rank #3
- 𝙐𝙡𝙩𝙧𝙖 𝙋𝙤𝙬𝙚𝙧𝙛𝙪𝙡 𝘼𝙞𝙧 𝘾𝙞𝙧𝙘𝙪𝙡𝙖𝙩𝙤𝙧 𝘽𝙮 𝙐𝙥𝙜𝙧𝙖𝙙𝙚𝙙: Compared with previous DREO fan for bedroom, the 2026 upgraded air circulator fan for whole room powered by DREO's advanced airflow tech circulates air up to 90 ft away and 1000 CFM to circulate all the air in your bedroom, living or kitchen in under 2 min. (DR-HPF013, TurboPoly Fan 353)
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Settings and controls can change the total
Fan speed
Madikian told T3 that running a fan on its highest setting can use up to 40% more electricity than the lowest setting. This is his general reported claim, not a measurement for every fan model. If your fan has several speeds, the input wattage can vary by setting; check the manufacturer’s information if you need a setting-specific figure.
Timer or sleep mode
Madikian recommends using a timer or sleep mode to turn a fan off after you fall asleep. A shorter runtime reduces the hours in the cost formula; the saving depends on how long the fan would otherwise run and the power it draws.
Rank #4
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- 𝐂𝐮𝐬𝐭𝐨𝐦𝐢𝐳𝐚𝐛𝐥𝐞 𝐂𝐨𝐦𝐟𝐨𝐫𝐭: Featured with 8 speeds settings and 4 modes(Normal/Natural/Sleep/Auto), catering to all your needs—from gentle breezes to powerful gusts across diverse scenarios. Customize your preferred mode and wind speed effortlessly using the remote control or touch screen.
- 𝐁𝐫𝐨𝐚𝐝 𝐑𝐨𝐨𝐦 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞: 90° oscillation and tuned airflow ensure this standing fan cools more effectively. Use alongside your air conditioner for cost-efficient comfort on hot days.
- 𝐂𝐥𝐞𝐚𝐧 𝐰𝐢𝐭𝐡 𝐄𝐚𝐬𝐞, 𝐔𝐬𝐞 𝐰𝐢𝐭𝐡 𝐂𝐨𝐧𝐟𝐢𝐝𝐞𝐧𝐜𝐞: Removable rear grille and impeller simplify cleaning. Protected by pinch-proof grille, fused plug, and circuit safety features, this ETL-certified floor fan puts safety first.
Should an older fan be replaced to save money?
Madikian told T3 that a fan manufactured before 2018 may lack the energy-efficient motors found in newer models and that an older fan might cost twice as much to run as a newer equivalent. The article passage does not provide a comparative test, so this should be treated as his attributed warning, not a universal rule or proof that replacement will pay for itself. To compare options, use manufacturer-stated or measured watts at the speed you use, compare timer or sleep controls, and calculate costs using the same electricity rate and runtime.
Quick Recap
Best Value
- Powerful air Circulation for your entire room: Dreo's WingBoost system combines deep-pitched blades and aerodynamic design to propel air as far as 70 ft, helping your desk fan to circulate strong air throughout your whole room. Product Dimensions: 10.8''D x 9.5''W x 11.8''H，Blade Diameter: 7 inches
- Feel wind without noise: If you are looking for a silent table fan to enjoy blowing but quiet sleep, this is a fantastic choice, by integrating NACA technology and bionic design, this home bedroom fan moves air more efficiently and reduces noise down to 25dB, perfect for a comfortable night.
- Save energy every season: Pair it with multiple appliances to increase efficiency and reduce your energy bills. Air circulators increase the effect of ,space heaters, humidifiers, and purifiers by moving the air faster around the whole room.
- Functional than traditional fans: With 3 built-in speeds by knob control, you can find the right setting easily; whether you are across the living room or want to place your floor fan in front of your bed, you can always get the comfort you need.
- Super easy to clean, always ready to go: You can use this tabletop fan straight out of the box, hang it on the wall for uninterrupted air circulation, or use it in multiple rooms with its extra convenient base and handle design. Parts can also be easily removed for cleaning to keep your air always fresh.
Sources
- Lizzie Wilmot, T3, 12 July 2025 — Chris Madikian’s attributed estimates and advice.
- National Energy Action: Cooling your home — illustrative fan wattages and running costs.
- National Energy Action: Energy advice — explanation of kilowatts and kilowatt-hours.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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