Reply To: Red or near-infrared bulbs for Sauna Unit? Home › Forums › Red Light Therapy › Red or near-infrared bulbs for Sauna Unit? › Reply To: Red or near-infrared bulbs for Sauna Unit? November 12, 2020 at 4:29 pm #1500 leslestererParticipant Oh nice, as I’ve posted on other thread, I can find more details about building a sauna here.