Newbie Questions

[michael151722]

Hello guys i am new to the hobby and have done around 4 months of research but still have some questions regarding this hobby hopefully it can be answered

1) Did anyone in Canada ever needed to use a Chiller don't really wanna get one since its so expensive, i live in Toronto btw
2) I have a hood on my tank how should i put my fans and power heads inside and can still properly cover the tank
3) Has anyone try ecoliverock.org, how was the rock and did it take longer 4-6 weeks than usual to cycle because it is man-made?
4) i have a 55 gallon FOWLR how many powerheads do i need?

Thanks