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Old 08-07-2019, 09:22 PM   #1
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Join Date: Mar 2002
Posts: 3,492
Default Air con servicing: what I learn lately

Even with general cleaning four times a year, for every nightly used new aircon one may need to do chemical cleaning from as soon as after second year. A new set can withstand a max of 4 rounds of chemical cleaning at most.
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