The coast of replacing a water heater in Dubai depends on the capacity of the water heater.And of course the brand and country of origin also matters.Normally most of the houses in UAE are fitted with either 80 Litter or 100 Litter water heater.
An ARISTON brand water heater with 80 litter tank capacity will cost you around 1000 Dhs and if its 100 litter capacity,then it will cost around 1250 Dhs in Dubai.
Ariston is the NO#1 water heater available in UAE.This manufacturer gives a 5 Year service warranty for their products,if anything goes wrong during this period.