Holtop maindasitiri AHU dhizaini yazvino yefekitori yemazuva ano, yakadai seMotokari, Magetsi, Spaceflight, Mishonga nezvimwewo. Holtop inopa mhinduro yekubata mukati memhepo tembiricha, hunyoro, kuchena, mweya mutsva, maVOC nezvimwe.

HOLTOP maindasitiri akabatanidzwa emhepo ekubata mauniti anoshandiswa zvakanyanya mumotokari, zvemagetsi, muchadenga, kudhinda, mishonga, maindasitiri zvirimwa uye mamwe maindasitiri, pamwe nechengetedzo yezvakatipoteredza uye hunyoro, hutsanana, mweya mutsva, ruzha, chepfu uye inokuvadza gasi kudzora uye indasitiri nharaunda inodzora munda ine simba-yekuchengetedza uye kuchengetedza kwezvakatipoteredza zvinodiwa.