Air Conditioner 9,000 BTU: Price Guide and Room Size
The smallest split-type size in Thailand — perfect for small bedrooms and studios. Fair pricing and where it actually fits.
By เจิดพงษ์ มากกูล1 min read

9,000 BTU is the entry size in the Thai market. It is also the cheapest to run — perfect when the room is genuinely small.
Room sizes that fit 9,000 BTU
Fair price ranges in 2026
Electricity cost
An inverter 9,000 BTU averages 600–800 W. At 4.4 THB/kWh, that is roughly 3 THB/hour or about 650 THB/month if you sleep with it on every night.
Best models for 2026
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