Cholinga chaMafani a High Volume Low Speed ​​(HVLS).ndi kupereka mpweya wabwino ndi mpweya wabwino m'malo akuluakulu monga malo osungiramo katundu, mafakitale, nyumba zamalonda, ndi malo aulimi. Mafani awa adapangidwa kuti azisuntha mpweya wambiri pa liwiro lotsika, nthawi zambiri pakati pa 1 mpaka 3 metres pamphindikati. Mafani a HVLS amapereka maubwino angapo, kuphatikiza:

Kuyenda Bwino kwa Air: Mafani a HVLS amathandizira kugawa mpweya mozungulira pamalo akulu, kuchepetsa matumba a mpweya osasunthika ndikuletsa kusiyanasiyana kwa kutentha.

Mpweya Wowonjezera: Polimbikitsa kuyenda kwa mpweya, mafani a HVLS amathandizira kuchotsa mpweya wakale, chinyezi, ndi zowononga mpweya, kuwongolera mpweya wabwino wamkati.

Kuwongolera kwanyengo: Mafani a HVLS atha kuthandizira kuwongolera kutentha kwa m'nyumba pozungulira mpweya ndikupanga zomwe zimawoneka kuti zimaziziritsa chifukwa cha kuchuluka kwa chinyezi kuchokera pakhungu.

Mphamvu Zamagetsi: Ngakhale kuti ali ndi kukula kwakukulu, mafani a HVLS amagwira ntchito mothamanga kwambiri ndipo amadya mphamvu zochepa poyerekeza ndi mafani othamanga kwambiri kapena makina owongolera mpweya, zomwe zimapangitsa kuti magetsi azikhala ochepa.

Kuchepetsa Phokoso: Mafani a HVLS amagwira ntchito mwakachetechete, kuchepetsa kusokonezeka kwa phokoso m'mafakitale ndi malonda.

Chitonthozo Chowonjezera: Mpweya wofewa wopangidwa ndi mafani a HVLS umapangitsa malo abwino kwa okhalamo pochepetsa chinyezi, kuteteza kutentha kwapakati, komanso kuchepetsa chiopsezo cha matenda obwera chifukwa cha kutentha.

Kuchita Bwino Kwambiri: Posunga kutentha ndi mpweya wabwino, mafani a HVLS amathandizira kuti ogwira ntchito azikhala omasuka komanso opindulitsa.

Zonse,Mafani a HVLSimagwira ntchito ngati njira yothandiza komanso yopatsa mphamvu yoperekera mpweya komanso mpweya wabwino m'malo akuluakulu, zomwe zimathandiza kuti pakhale chitonthozo, mpweya wabwino, komanso kupulumutsa mphamvu.