System Types
Electric Storage
- Cheap to buy
- Expensive to run
- Best on off-peak tariff
- Being phased out in some states
Gas Storage
- Lower running costs
- Needs gas connection
- Can be used outside
Gas Continuous
- Unlimited hot water
- Space efficient
- Higher gas usage during use
Heat Pump
- Most efficient electric option
- Lower running costs
- Some noise
- Rebates available
Solar
- Lowest running costs
- Higher upfront cost
- Needs suitable roof
- Electric or gas backup
Sizing Guide
- 1-2 people: 125-160L
- 3-4 people: 250-315L
- 5+ people: 315-400L