Ko te Whare Tatahi Rā he whakapapa hou me te hoa ki te taiao e hui ana i ngā tikanga hauora me te whakamahinga o ngā rauemi rāwekenga. Aratau ai ngā paparua rā kaha ki te parirau o runga, ka whakamahia te kaha o te rā hei whakatutuki i ana here kaha, ka iti ake te whakamahi i te hiko a-Ipurangi me te iti ake i ngā whakaputanga karaihana.
I te pō, ka tango a ngā paparua rā i te rā o te rā ka hurihia hei hiko, ka whakaputua ki roto i ngā pūnaha reo kaha kua whakauruhia ki roto i te whare. Ko te kaha kua tūhono kia mātua mahi tonu te whare tatahi ākene i ngā rā pāpaku, i te pō rānei. Ko te whare tatahi he whakauru ki ngā rama LED mārama e whakamārama ana i te wāhi e tāroa ana, e tuku ana i te taiao haumaru, ā, ko te wāhi noho māmā mō ngā kaipōkai i muri i te pō.