How long does it take to heat up the wooden hot tub?

The exact heating time depends on many factors:
* The size of the hot tub;
* Outside temperature;
* Wind conditions, site;
* Is the hot tub equipped with a lid or not;
* The quality of the wood you are burning the heater with;
* Depending on the season it takes about 1.5 to 4 hours to heat up the tub.