how many watts of electricity does a portable household fan normally use?

The ones that I have seen are of the order of 70 watts.

RV Today Product Showcase – Portable power

Unique PRESTO Hot-Tot Portable Heater w/ Fan, 2 Settings 1500 Watts 120 Volts $0.99

Vintage Kenmore Fan Forced Portable Electric Space Heater 1320 Watts $9.95

PELONIS 1500 WATT 5200BTU FORCED FAN HEATER PORTABLE $22.99

1500-Watt Compact Space Heater w/ Fan Lightweight Portable Room Heater Office $29.99

Portable Tatung Electric Fan Heater Four settings fan only 500-1500 watts $5.99

Boston Floor-Upright 1500 watt 2 speed fan Winter Portable Ceramic Space Heater $49.40

Warmwave 1,500-Watt Portable Electric Fan Heater $18.99

WestPointe 1500 Watt Fan Forced Quiet Portable Heater $34.98

Westpointe 750/1500-Watt 120V Electric Portable Fan Forced Heater $30.00

DURA HEAT EUH1240 ELECTRIC PORTABLE FAN HEATER 4000WATT $124.95

NEW Osc Heater Fan 750/1500 Watts Ea. Portable Electric Heaters FH20A $44.58

Nesco FD-75PR 700-Watt Food Dehydrator $58.84 Generates maximum speed and quality for dehydrating fruits, vegetables, beef jerky and vension jerky. Great for making trail mix, homemade yogurt, apple snacks, banana chips, dried soup mixes, dried tomatoes, dried fruits, herbs and spices. Also makes potpourri and dried flowers. Helps dry food in hours, not days like ordinary food dehydrators. U.S.A. Shape: Round, Watts: 700, Top Mount Fan: Yes, …

Nesco/American Harvest FD-80 Square-Shaped Dehydrator $58.84 Easy-to-use dehydrator for drying fruit, vegetables, herbs and jerky. Lay out jerky strips with ease. Includes spices and cure packets. U.S.A. Shape: Square, Watts: 700, Top Mount Fan: Yes, Tray included: 4, Adjustable Thermostat: Yes, Handle Type: Bale, Exterior Color: White, Dimensions L x W x H (in.): 14 1/2 x 14 1/2 x 10…

KitchenAid Convection Countertop Oven $94.99 Use this versatile oven as a microwave or for extra oven space. The large interior can hold a 12-in. Pizza, a Chicken or whatever you choose. Features: Convection Heating for faster, better baking/roasting 12-in. interior easily accomodates a 12-in. pizza Durable manual controls with Soft-Touch 60-minute timer Toast Function with Timer Bake Function holds consistent temperatures to 400 degrees Bro…

Lasko 754200 Ceramic Heater with Adjustable Thermostat $18.40 Lasko Products 754200 Ceramic Heater 754200 Heaters…

Lasko 755320 Ceramic Tower Heater with Digital Display and Remote Control $48.00 Oscillating Ceramic Heater with Digital Display. 2 Quiet Comfort settings 1500W 900W Auto. Remote Control Digital Thermostat and Timer…

Lasko Personal Fan, 6 Inches, White, 2002W $11.75 Lasko Products 2002-W Personal Fan 2002W Fans…

Sunpentown SU-4010 Dual Mist Humidifier with ION Exchange Filter $94.99 Relieves dry nose, throat, lips and itchy skin. Ultrasonic humidifier disperses warm or cool mist. Split nozzle for bi-directional mist for wider coverage. Sleek design with easy to use control knobs. Large, transparent blue water tank with easy-carrying handle. ION exchange filter demineralizes and treats water. Designed for rooms up to 500 sq. ft.. Split nozzles: 360° adjustable direction. 4.0L…

Lasko 1128 9-Gallon Evaporative Recirculating Humidifier $74.37 Lasko Products 1128 Humidifier 1128 787…

Andis 33805 Micro Turbo 1600W Dual Voltage Hair Dryer $13.99 1600 Watts of turbo drying power. Small and compact. Dual voltage for worldwide travel. Two heat/air settings. Color: White…

Intel Core i7-2600K Processor $310.00 Intel Core i7 i7-2600K 3.40 GHz Processor – Socket H2 LGA-1155 CM8062300833908 Intel Processors…

Intel Core i5-2500K Processor $222.99 Intel Core i5 i5-2500K 3.30 GHz Processor – Quad-core BX80623I52500K Intel Processors…

Sapphire AMD Radeon HD 6850 PCIE Video Card (100315L) $149.99 Sapphire Technology 100315L Radeon HD 6850 Graphics Card – PCI Express 2.1 x16 – 1 GB GDDR5 SDRAM 100315L Video Graphics Cards…

Antec NSK2480 Desktop case 380W PS $80.05 Desktop 380W 2 x External, 2 x Internal – Black, Silver…

Yamaha STAGEPAS 300 Portable PA System $596.29 Yamaha STAGEPAS 300 Public Address System STAGEPAS300 Public Address (PA) Systems…

Cobra CPI 480 400-Watt 12-Volt DC to 120-Volt AC Power Inverter with 5-Volt USB Output $23.95 Cobra 400W DC-to-AC Power Inverter CPI480 Power Inverters…

Rally 7413 200W Cup Holder Power Inverter with USB Port $24.36 This nifty 200 Watt power inverter packs more power than anything your coffee shop can whomp up. It fits snugly in a cup holder and can power an iPod , laptop computer, TV game console and more while you’re on the road. It effortlessly converts 12V DC power from your vehicle’s battery into 110V AC power, is totally portable and easy to use. Includes on/off switch, 2 grounded AC outlets, a 25 Amp r…

BESTEK 150W charger dc ac power inverter car dc 12v to 110v car adapter usb charger car samsung adapter pda car charger htc adapter car lg charger mp3 car adapter iphone charger car motolora adapter ipad car charger blackberry car adapter ac charger(random color) 1511U-54 $13.05 Before reaching you,we test every item in 7 aspects during manufacturing,and aging EVERY item fullloaded for at least continuously 4hrs. We guarantee: competitive prices,first-rate quality,within 1 busniess day shipping and excellent service! We ship out all the orders placed by 3:30P.M PST the same busniess day!!…

Coleman 120V Electric Quick Pump $10.99 Coleman 120V Quick Pump is a universal filling station for mattresses, tires and more! Pump up just about anything with this 120V Quickpump from Coleman! Inflates a queen airbed in under 60 seconds! Comes with adapters for Boston valves, pinch valves or even Coleman double-lock valves. Includes a wall plug and cigarette lighter plug to power up! Order Today! Coleman 120V Quick Pump…

Coleman PowerChill Thermoelectric Cooler (40-Quart) $89.99 Coleman’s versatile 40 qt ThermoElectric Vertical / Horizontal Cooler works laying down or standing on end, so it fits where you need it….

Energizer Ultimate Lithium 1 LED Hand Held Light, Gray, 1AA $24.00 65 Lumen Aluminum Alloy LED Waterproof Lithium Energizer Flashlight…