Water heater replacement in Hingham typically costs $1,200-$4,500, depending on the type and size you choose. Traditional tank units run $1,200-$2,500, while tankless systems cost $2,000-$4,500.The price includes the unit, professional installation, and removal of your old water heater. We provide upfront pricing before we start, so you know exactly what you’ll pay.Massachusetts offers rebates up to $800 for energy-efficient models, which can significantly reduce your total cost. We’ll help you identify available rebates and handle the paperwork.