There is no such thing as a gas washer. All washers use electricity (and of course, water). All dryers have an exhaust tube that’s about four inches across for the hot air. A Gas dryer DOES use electricity as well as gas, but the plug is “normal” size, like a toaster or hair dryer uses.Click to see full answer. Likewise, how do I know if my washer is electric or gas?” Washers are almost always electric. Dryers can be gas if electric, you would know by peeking behind the dryer. If you see no gas line and a unusual electric plug, it’s electric. Washers are only electric, Answered by Butterfly27 2 years ago. Helpful (1) Unhelpful (1) Furthermore, does a washing machine use electricity? Electricity usage of a Clothes Washer. A washing machine will use 400 to 1300 watts, with modern Energy Star rated models using about 500 watts. Click calculate to find the energy consumption of a clothes washer using 500 Watts for 0.25 hours a day @ $0.10 per kWh. Additionally, is my dryer gas or electric? If you see one cord attached to the dryer, it’s electric. If you see a cord and a thin stainless steel connector, your dryer is gas. (Don’t confuse the dryer’s flexible metal vent tube with the gas connector. The vent tube will be much larger than the gas connector.)What is the difference between electric and gas washer and dryer?The main difference between the two has to do with how they heat air to dry your laundry. Gas dryers use natural gas or propane to generate heat while electric dryers use metal heating coils powered by electricity. electric dryers.