ʻO kahi waihona anu maʻamau i loko o ka hale aia nā ʻāpana penei:nā panela lumi anu, nā puka lumi anu, nā lako hoʻomaʻalili, a me nā ʻāpana ʻokoʻa.
| nā panela lumi anu | |
| Mahana lumi anuanu | Mānoanoa o ka panela |
| 5~15 kekelē | 75mm |
| -15~5 kekelē | 100mm |
| -15~-20 kekelē | 120mm |
| -20~-30 kekelē | 150mm |
| Haʻahaʻa ma mua o -30 kekelē | 200mm |
Hoʻohana nui ʻia ka lumi anu i loko o ka ʻoihana meaʻai, ʻoihana lapaʻau, a me nā ʻoihana pili ʻē aʻe.
I ka ʻoihana meaʻai, hoʻohana pinepine ʻia ka lumi anu i ka hale hana meaʻai, hale pepehi kanaka, hale kūʻai huaʻai a me nā mea kanu, hale kūʻai nui, hōkele, hale ʻaina, a pēlā aku.
I ka ʻoihana lapaʻau, hoʻohana pinepine ʻia ka lumi anu i ka haukapila, hale hana lāʻau lapaʻau, ke kikowaena koko, ke kikowaena gene, a pēlā aku.
ʻO nā ʻoihana pili ʻē aʻe, e like me ka hale hana kemika, ke keʻena hoʻokolohua, ke kikowaena logistics, pono nō hoʻi lākou i ka lumi anu.
| Noi no ka laʻana | Mahana o ka lumi |
| Huaʻai a me nā mea kanu | -5 a 10 ℃ |
| Hale hana kemika, lāʻau lapaʻau | 0 a 5 ℃ |
| ʻAi hau, lumi mālama hau | -10 a i -5 ℃ |
| Ka mālama ʻana i ka ʻiʻo hau | -25 a i -18 ℃ |
| Ka mālama ʻana i ka ʻiʻo hou | -40 a i -30 ℃ |
E hoʻopilikia ia i ka mahana o ka lumi anuanu e pono ai, a me ke koho ʻana o ka mānoanoa o ka panela pu a me nā mea i uhi ʻia ma ka panela.
E hoʻopili ia i ke koho ʻana o ka ʻāpana condensing a me ka mea hoʻoluʻu ea, ma muli o ka mahana anu o ka lumi.
E hoʻopilikia ia i ke koho ʻana o ke anakahi uila a me ka condenser, inā kiʻekiʻe ka mahana i ka makahiki āpau, pono mākou e koho i ka condenser me ka wahi mahu nui aʻe.