1. Idizayini yangaphakathi ye-rubber board insulation
2. Isondo eliphelele lokubuyisela ukushisa, ukusebenza kahle kokushisa okunengqondo >70%
3. I-EC fan, isivinini esingu-6, ukugeleza komoya okulungisekayo ngesivinini ngasinye
4. Ukukhipha umswakama kahle kakhulu
5. Ukufakwa okufakwe odongeni (kuphela)
6. I-alamu yegeji yomehluko wokucindezela noma i-alamu yokushintsha isihlungi (kuyakhetheka)