Whether a gas or electric dryer is safer depends on how you define safety, but both are very safe when installed and maintained correctly, with electric dryers having a slight edge for fire and gas leak risk, and gas dryers having a slight edge for energy-related risks. Electric dryers eliminate the risk of natural gas leaks, carbon monoxide exposure, and gas combustion issues, which is why some all-electric homes and apartments prefer them. However, electric dryers still pose a fire risk if vents are clogged with lint, as overheating can ignite lint in the duct or housing. Gas dryers add a small risk of gas leaks if connections are loose or valves fail, and incomplete combustion can theoretically produce carbon monoxide, so they require a properly sealed gas line, a carbon monoxide detector nearby, and annual inspection of the gas valve and venting. Both types require rigid metal venting, not foil or plastic, annual vent cleaning, and lint filter cleaning before every load to prevent fires, as lint is flammable regardless of heat source. Statistically, the National Fire Protection Association reports that failure to clean vents is the leading cause of dryer fires for both gas and electric. Electric dryers have higher voltage at 240 volts, so electrical shock risk during DIY repair is higher, while gas dryers operate at 120 volts. With proper professional installation, annual vent cleaning, and CO detector for gas, both are equally safe for residential use.
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