Tools & Calculators

Free online tools to help you choose the right hot water system, calculate rebates, compare costs, and find the perfect size for your home.

All tools are free and require no sign-up. Results are based on current Gold Coast energy rates and government rebate values, updated for 2026.

All Tools

System Selector

Answer a few questions and we'll recommend the best hot water system for your household.

Rebate Calculator

Calculate your available government rebates for heat pump and solar hot water upgrades.

Cost Calculator

Compare total installed costs and running costs across all system types.

Sizing Calculator

Find the right tank size based on your household size and hot water usage.

Get a free, no-obligation quote from Gold Coast's hot water specialists. Same-day installation available.