Nā hiʻohiʻona o loko o ka hale
1. Nā ʻenehana hoʻōla wela kumu
2. Hiki i ka ʻenehana hoʻolaʻa wela ʻo Holtop ke hoʻohaʻahaʻa i ka wela a me ke anu haʻahaʻa i hoʻokumu ʻia e ka ventila, ʻo ia ka mālama ʻana i ka ikehu a me ka mālama ʻana i ke kaiapuni.Breath ea olakino.
3. E ʻōlelo ʻole i ka lepo o loko a me waho, nā ʻāpana, formaldehyde, ʻala ʻokoʻa a me nā mea ʻino ʻē aʻe, e hauʻoli i ka ea hou a olakino.
4. Hōʻoluʻolu ea
5. ʻO kā mākou pahuhopu ka lawe ʻana iā ʻoe i ka ea ʻoluʻolu a maʻemaʻe.
Nā hiʻohiʻona o waho Unit
1. Kiekie Heat Exchange Efficiency
2. ʻO nā ʻenehana alakaʻi lehulehu, ke kūkulu ʻana i kahi ʻōnaehana hoʻoluʻu ikaika, kūpaʻa a maikaʻi.
3. Hoʻopau i ka hana
4. Nā ʻenehana hoʻopau walaʻau hou, e hōʻemi ana i ka leo hana no ka ʻāpana o loko a me waho, e hana ana i kahi noho mālie.
5. Hoʻolālā paʻa
6. Hoʻolālā hou casing me ka ʻoi aku ka maikaʻi o ke kūpaʻa a me ke ʻano.ʻO nā mea ʻōnaehana o loko mai nā inoa kaulana honua e hōʻoia i ka maikaʻi kiʻekiʻe.