Yes, my wife is pretty good at keeping the AC off. Since we are only there for the summer, we do spend quite a bit of time away from the house, using it as a home base in Hua Hin, while we explore and visit places like my wife's hometown or go to a resort for a weekend. So the 3k won't be continuous use for a month. If I thought about it, I'd say we are there 70-80% of the month. If we stayed 100% of the time in our house, I could see the bill being closer to 5-6k for the month.
Depending on the quality of the builder, but most will not be familiar with central A/C, and the ones who are will be much more expensive. I tried to get a ceiling unit, but quickly realized, that was too much of a leap in their capabilities. We had a bit of a fight to get 3 phase electricity. I also wanted a garbage disposal but lost that battle (my wife now regrets that decision).
yes he updated the original post after I pointed out this info was buried in the 100+ comments.
With. $5000 a month allowance and a US passport she doesn't fit a typical expat + Thai girl relationship. I don't think this group will have anything to offer in the way of relationship advice for them