Ma heaters a tubular amatha kupangidwa kukhala mawonekedwe aliwonse kapena masinthidwe oyenera kuti agwirizane ndi ntchito yotenthetsera.Chifukwa ali m'gulu la ma heater amagetsi osunthika omwe ali otchuka kwambiri.Kusintha kwapadera kwa kutentha kudzera pa convection, conduction ndi ma radiation kumawabwereketsa kuti azigwiritsa ntchito zosiyanasiyana kuphatikiza zakumwa zotenthetsera, mpweya, mpweya ndi malo osiyanasiyana.