All-in-one heat pump water heaters have ozone friendly R134a refrigerant and vitreous enamel storage tanks. Consider the electric boost option for rapid hot water recovery if required. Government rebates apply (approx $1,000) after installation by a licensed plumber. Download a form from an STC Trader such as Greenbank (https://www.green-bank.com.au/stc/forms). Note that prices are continually reviewed and may change prior to the new listing. Prices listed below include GST ex Melbourne warehouse. Contact us for pickup or delivery arrangements that may require added freight cost.