Yep, would love to see some progress on energy efficiency here.
There was a research thesis here about it but it seems the building industry isn’t interested:
We are on the top floor of our building and have a false ceiling to hide all the sprinkler system pipes, there are some inspection holes and looking up there, it’s just bare concrete. I’m no expert on the subject but some day if we have to replace that false ceiling for whatever reason (probably replacing the A/C lines and machines), I feel like sticking some thick rigid insulation panels to the concrete to try and stop heat from the roof coming through. I am not sure how effective it would be considering no insulation in the walls, floor and single glaze windows. It’s probably a waste of money though considering the payback time due to low electricity prices and since Taiwanese don’t seem to care about insulation, lack of increase in resale value of the house.
Incidentally when we looked at new places near the Taoyuan HSR (which were terribly expensive and out of our budget) one had double glaze windows but I’m guessing it wasn’t for insulation purposes but for noise reasons.