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We keep out house pretty cool in the winter, so a tile floor feels very cold. Even just heating the floor to 72 F makes a big difference. When it was up to 77 F it felt warm to the touch. I didn't let it keep going, but the default setpoint was 82 F. That would feel like a sauna.

With the floor at 82, it would heat the entire bathroom. Very nice when you're getting out of the shower...