Hot water system costs in Townsville vary depending on the system type, tank size, plumbing changes and installation access. Electric storage systems are often the lowest-cost option upfront, while heat-pump and solar systems can cost more initially but may reduce running costs over time. You may also need to factor in removal of the old unit, electrical work, a tempering valve and any eligible Queensland or federal incentives. Ask a licensed local plumber for an itemised quote and check current rebate details through the official government website before choosing a system.