Based on the above settings the cost of water per shower is [costWaterPerShower] which with Showertimer is reduced to [costWaterPerShowerReduced]. Heating cost per shower is [costHeatingPerShower] but with Showertimer this is reduced to [costHeatingPerShowerReduced] for [energyType]. Therefore, total cost per shower is [totalCostPerShower]. With Showertimer, the cost per shower is reduced to [totalCostPerShowerReduced].

[annualCost] is the calculated total annual running cost for all showers.

[annualCostReduced] is the annual cost with Showertimer(s) installed.

[annualSaving] is the annual savings with Showertimer.