Just clean with water from not so loud pressure that could damage the alum fins. Don't use cleaners or lye to clean the molds, bilad lang sa araw.

As for the inverters ang unang bumibigay ay mainboard since DC switching power supply ang gamit to turn DC motors, parang PS ng computer at LED TV's. Ang nirerecommend nila yung Daikin na designed ang inverter sa wide input voltage parang up to 90 to 450V at surge na 650V AC?

Kung patibayan lang, mas matibay ang traditional mechanical thermostat, ang panira lang talaga ay electronics at sensors.

Oversizing by 150% is fine di bale sobra wag kulang dahil na overwork ang compressor. Wag din babad sa aircon na sarado bintana baka ma CO2 poisoning po, at matutuyo lalamunan nyo at uubuhin prang symptom ng COVID19.