1) Kugwiritsa Ntchito Semi-Hermetic Copeland Refrigeration Compressors;zabwino & kudalirika;

2) Condenser imagwiritsa ntchito chubu chamkuwa & aluminiyamu fin mtundu kusinthana kutentha kapena mkulu-mwachangu chipolopolo ndi chubu kutentha kusinthana

3) Kusinthana kwa kutentha kwakukulu komanso kopitilira moyo wautali;

4) Kukupiza kwa rotor kwambiri ndi phokoso lotsika, kuchita bwino kwambiri, mawonekedwe abwino;

5) Zigawo za firiji zapamwamba kwambiri kuti zitsimikizire kukhazikika kwathunthu ndi kudalirika kwa ntchito;

6) Mayunitsiwa ali ndi bokosi losalowa madzi.Zigawo zonse zowongolera ndizolowera kubokosi lolumikizirana, losavuta kwa ogwiritsa ntchito mawaya;

7) Kugwiritsa ntchito kwambiri zipinda zozizira zosiyanasiyana, zomwe zimagwiritsidwa ntchito posungira, kuzizira, kupanga ayezi, madzi ozizira, ndi zida zina zozizira.