split AC filter maintenance KSA

I Cleaned My Split AC Filter Every 2 Weeks in Riyadh’s Dust for 60 Days
My bedroom split AC was blowing warm air at two in the afternoon in July. Breaker hadn’t tripped. Compressor sounded fine from outside. I popped the front panel expecting nothing — and the mesh filter behind it was a solid gray-brown mat. You couldn’t see a single hole in it. That filter had been “cleaned”…