Ngā Tohutohu Whakaritorito Taiao
Kei ngā tohu tiaki i te taiao mō ngā wharangi pūtahi kaiwhakaawe he tono tūmatawhiti mō ngā kaupapa hanga whare whakahaere. E whai ake nei ngā rākau, e whai wāhi ana i te utu whakamahere hoki, ēngari e whai ake ana i te momo whakamahere anō hoki i te utu whakamahere. Ka hanga ngā rākau i runga i te nui o ngā mea hoki kē e whai ake nei i te aluminium, ka taea e ia te whai ake i te 95% o ngā mea hoki kē. E whakatakoto ana ngā paenehe ki te roanga, ka taea e rātau te tiaki mehemea kāore i te whakahoutia, ka heke i te waiporua me te whakamahere i ngā rawa, hei whakatika i te wā. Kei te whakarite i te hoahoa o te hāpori, ka whakangungu i te hā o te whenua, ka taea te iti i ngā hiahia ā-pūnaha hoki i ngā rākau whakawehenga hāpori (HVAC). Anō he mea, kei te whakapai i ngā momo whakamārama o ngā paenehe, ka whakatika i te whakamahi i ngā rama hoki i ngā wā o te rā. Ko te ahurea tuatahitanga o te rākau, ka taea te whakakapi i ngā momo takitahi rānei, ka whakahoutia rānei, kāore i te whakaputu i te wharangi katoa, ka whakaae mai i ngā tikanga o te ahurea porowhita.