Definitely get a oversized chiller if you have the budget. I'm using 66a for my 55 gallon. (Imo Hailea efficiency sucks)
Runs for 40 mins, rest for 2.5hrs +/- depends on weather
Adds up to $20 monthly just on my chiller.
Abt $45 overall monthly including all utilities. Pump, light, Skimmer etc etc