Pretty much. I use IR lights and a pair of space heaters in an enclosed space. The IR lights do most of the job. Going to a sauna with a thermometer would prob

Pretty much. I use IR lights and a pair of space heaters in an enclosed space. The IR lights do most of the job. Going to a sauna with a thermometer would probably be the easiest route for many who want to try this. It was easier for me to buy a bunch of lights on amazon and do it at home. Cheaper, too.