wani amfani mai ruwa|Alamunan Holtop: Kalubalen & Iƙirar| Sami Nemi

Wani abin da ke tsawon sarrafa ruwa (air handler unit) ke tsawon abubuwan da ke cikin shirye-shiryen HVAC, kuma an kirkirce AHUs na Holtop don bawa ayyukan da kyau da rashin kuskure. A wani takalmi a Najeriya ta Kasa, an kafa AHUs na Holtop don kiyaye halayyin gini mai zurfi da aka tsara. An kara faltar HEPA waɗannan kayan aiki su daga furta baƙin bakin ruwa (high-efficiency particulate air) domin kare bakon bakin ruwa, jinni, da sauran kayan hada duniya daga cikin ruwa, kamar yadda ya kare hanyar tafiƙar maras ma'azama da kuma tafiƙar wasansa. AHUs na Holtop na da kula da tushen girma da girman ruwa, kamar yadda suka kiyaye halayyen da ake so don inganta masu ciwonci da sake ƙoƙarin su. Kyakkyawan kasar Holtop ya bayyana ne a cikin rashin kuskuren gwaji da ikirarin izinin, kamar yadda suka kiyaye wadansu kayan aiki koda biyu suna da alamar da ke da ƙarin kwamfuta da ayyuka. Don takalmin inganta masu ciwonci da ke buƙata AHUs masu amintamma da kwayoyin ayyuka, Holtop ta ba da kayan aiki da an kirkire su don dacewa da buƙatar farfado na al'amuran.