Holtop amapereka zinthu zapampweya zatsopano kwa mabizinesi ambiri ogulitsa nyumba kuti apititse patsogolo mpweya wamkati, monga ma ventilators obwezeretsa kutentha, ma ventilator obwezeretsa mphamvu, makina oyeretsa mpweya watsopano, makina ophera tizilombo toyambitsa matenda. Nawa zochitika zina za polojekiti. Ngati muli ndi pulojekiti iliyonse, chonde lemberani kuti mupeze mayankho okhathamiritsa komanso otsika mtengo.
