What is better, an internal or external heater?

Both variants have advantages and disadvantages:

  • An internal heater often has more charisma and more atmosphere as you sit close to the fire. And on top of everything else an internal heater is cheaper.
  • An external heater, however, has more practical advantages once you need to clean the tub or remove the ashes. And of course, more space for people. In terms of heat up time: top models of external heater  heat up the water faster than an internal one.