I don't boil my water or heat my honey. My water comes straight out of the tap (municipal, filtered and treated with chloramine), although sometimes I'll use hot tapwater to rinse out the honey jars, it's much faster than waiting for it to dissolve in cold water.
The thing with boiling your water is it will dislodge any dissolved oxygen in it so you'll have more work aerating to put it back into the water.
The only time I ever bother boiling the water these days is when I'm making a wine with sugar, it's just the best way to get granulated sugar to dissolve, and I don't generally boil all the water either, just enough to dissolve the sugar.
"The main ingredient needed is 'time' followed closely by 'patience'." - The Bishop 2013
"Good grief! If someone wanted to murder you, all they would have to do is ship you a 55 gallon barrel of honey and watch you document working yourself to death!" - Vance G