Field notes from Bangkok's air conditioners.
Honest answers from the technicians who open the units, not recycled internet advice.
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The AC Schedule That Stops 'Not Cold' Reviews on Bangkok Airbnbs
Air conditioning is the number-one guest complaint on Bangkok short-stay listings, and it arrives at 11pm. Here is the cleaning cadence, the turnover checks and the emergency plan that keep it out of your reviews.
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Why Your Air Conditioner Is Dripping Water (and How to Stop It)
A dripping wall unit in Bangkok is almost always a blocked condensate drain, not a broken machine. Here is where the water comes from, the four reasons it ends up on your floor, and what actually fixes each one.
Read more →AC Not Cold After Cleaning? Here's What's Actually Wrong
Nine times out of ten a unit that isn't cold needs a clean, not gas. But if it was just cleaned and still blows warm, the cause is one of five things — and only one of them is refrigerant.
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Why Your AC Smells Musty — and Why a Filter Clean Won't Fix It
The wet-sock smell when your air conditioner starts up is bacterial biofilm on the blower wheel and coil, not the filter. Here is what it is, why Bangkok grows it so fast, and the only clean that gets rid of it.
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How Much Does AC Cleaning Cost in Bangkok? 2026 Price Guide
Real 2026 prices for air-conditioner cleaning in Bangkok: what a standard clean, a deep chemical wash, a repair and a gas top-up actually cost, what drives the price, and where the cheap adverts cut corners.
Read more →Standard AC Clean vs Deep Chemical Wash: Which One Does Your Unit Need?
Two services, two prices, and a lot of Bangkok technicians who won't tell you the difference. Here is exactly what each one does, what it costs, and a simple rule for choosing.
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R32 vs R410A: Which Refrigerant Is in Your AC, and Why It Matters
Most air conditioners sold in Thailand since 2016 run R32; older ones run R410A or R22. They cannot be mixed, they cost different amounts, and knowing which you have stops a technician topping up the wrong gas.
Read more →How Often Should You Clean Your Air Conditioner in Bangkok?
Every six months for most Bangkok homes, every three for pet homes, roadside bedrooms and anything running 12+ hours a day. Here is why the interval is shorter here than anywhere else, and how to tell when a unit is due.
Read more →How Much a Dirty Air Conditioner Adds to Your Bangkok Electricity Bill
Air conditioning is 50–70% of a Bangkok home's electricity bill, and a dirty coil makes the unit run 15–30% longer to do the same job. A ฿690 clean usually pays for itself in the first two months.
Read more →Rather just have it handled?
Reading about it is free. So is the quote — and the first clean is 15% off.