There're 4 sorts of sauna warmer; they're gas and oil consuming sauna radiators, electric sauna radiators, wood let go sauna warmers and infrared warmers.
Regardless of whether to get a gas, wood, electric, or infrared radiator. Every one of them have their benefits and bad marks, however the electric stove is the most recognizable one and that is for solid reasons.
Know the power output of your domestic line and whether it is able to supply power required for the electric sauna heater, with the present load of appliances in your home.