Here is an Olympic cyclist making toast https://www.welovecycling.com/wide/2016/10/07/olympic-cyclist-vs-toaster-can-power/ https://www.welovecycling.com/wide/2

Here is an Olympic cyclist making toast https://www.welovecycling.com/wide/2016/10/07/olympic-cyclist-vs-toaster-can-power/ https://www.welovecycling.com/wide/2016/10/07/olympic-cyclis... A Toaster like any other resistive heater is about as efficient as it gets in terms of power efficiency.