Cholinga chaMafani a High Volume Low Speed ​​(HVLS)ndi kupereka mpweya wabwino komanso mpweya wabwino m'malo akuluakulu monga m'nyumba zosungiramo zinthu, m'mafakitale, m'nyumba zamalonda, ndi m'malo olima. Mafani awa adapangidwa kuti azitha kusuntha mpweya wambiri pa liwiro lotsika, nthawi zambiri pakati pa mita imodzi mpaka itatu pa sekondi. Mafani a HVLS amapereka maubwino angapo, kuphatikiza:

Kuyenda bwino kwa mpweya: Mafani a HVLS amathandiza kugawa mpweya mofanana m'malo akuluakulu, kuchepetsa matumba a mpweya osakhazikika komanso kupewa kusintha kwa kutentha.

Mpweya Wowonjezera: Mwa kulimbikitsa kuyenda kwa mpweya, mafani a HVLS amathandiza kutulutsa mpweya woipa, chinyezi, ndi zinthu zoipitsa mpweya, zomwe zimapangitsa kuti mpweya wa m'nyumba ukhale wabwino.

Malamulo a Kutentha: Mafani a HVLS angathandize kulamulira kutentha kwa mkati mwa mpweya pozungulira mpweya ndikupanga mphamvu yozizira kudzera mu kuchuluka kwa chinyezi kuchokera pakhungu.

Kugwiritsa Ntchito Mphamvu Moyenera: Ngakhale kuti ndi akuluakulu, mafani a HVLS amagwira ntchito pa liwiro lotsika ndipo amagwiritsa ntchito mphamvu zochepa poyerekeza ndi mafani achikhalidwe othamanga kwambiri kapena makina oziziritsira mpweya, zomwe zimapangitsa kuti ndalama zamagetsi zichepe.

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

Chitonthozo Chowonjezereka: Mpweya wofewa womwe umapangidwa ndi mafani a HVLS umapangitsa kuti anthu azikhala bwino mwa kuchepetsa chinyezi, kupewa kugawikana kwa kutentha, komanso kuchepetsa chiopsezo cha matenda okhudzana ndi kutentha.

Kugwira Ntchito Bwino: Mwa kusunga kutentha koyenera komanso mpweya wabwino, mafani a HVLS amathandizira kuti malo ogwirira ntchito azikhala omasuka komanso opindulitsa kwa antchito.

Ponseponse,Mafani a HVLSamagwira ntchito ngati njira yothandiza komanso yosagwiritsa ntchito mphamvu zambiri popereka kayendedwe ka mpweya ndi mpweya wabwino m'malo akuluakulu, zomwe zimathandiza kuti mpweya ukhale wabwino, mpweya wabwino, komanso kuti asunge mphamvu.