Sir,

In 2-3 years na annual cleaning niyo mukhang makakabili na kayo ng brandnew na evaporator.
haha oo nga eh, pero i still have it cleaned annually, this way ma-schedule ko talaga within the month of that annual cleaning kapag free ako. unlike kasi before na iniintay ko lang magkaproblema eh nakakasagabal sa work plus need ko pagtiyagaan yung init until i have a free time to have it fixed. so for me i just want to have that peace of mind hehe