When the British conquered a nation that had a warm climate (read: India, Sri Lanka, etc.) they found the coolest places in those countries and set up "hill stations." These "hill stations" still exist in that we tourist, who also can't really stand the heat, head directly to them and stay in the fancy British colonial homes.
And my time in Pyin Oo Lwin was spent in that same manner: fancy British colonial home renovated to a beautiful hotel; pleasant bike ride to the beautiful botanical gardens with a glass of strawberry juice; and a delicious ginger salad with the now required avocado shake.
Technically I didn't stay in the pretty British colonial home (those rooms are more than $1,000/night), but I stayed in a really amazing bungalow near a colonial home.
This is the actual colonial home:
The Botanical Gardens:
Did I mention they grow and serve good coffee in Pyin Oo Lwin!