Description
Thermann 315L Smart Electric Hot Water System
315L | Wi-Fi Control | Solar Friendly | Smart Scheduling | 10-Year Tank Warranty
Smarter hot water. Lower energy costs.
Thermann Smart Electric Hot Water Unit 315, when your hot water heats, make better use of your solar and track energy use from your phone with the Thermann Control App.
Why Go Smart?
With built-in Wi-Fi and the Thermann Control App you can:
- Use more of your solar – Heat water when excess solar PV is available.
- Heat when power is cheaper – Schedule heating around lower electricity tariffs.
- Track energy use & costs – See how your hot water is performing from your phone.
- Let it learn your routine – Eco Mode adjusts heating based on your household’s usage.
- Going away? – Remotely manage your hot water while you’re on holidays.
Four Smart Modes
Eco – Learns your routine and minimises unnecessary heating.
Schedule – Choose when your water heats.
Holiday – Manage your system while you’re away.
Manual – Take control of your tank temperature.
Use Thermann online optimiser tool to find out which mode is recommended for you.
Is Smart Right for You?
Yes, if you want to:
✓ Make better use of your solar
✓ Reduce hot water running costs
✓ Take advantage of cheaper electricity periods
✓ Monitor and control hot water from your phone
More control. Smarter energy use. Reliable hot water.
Have Solar? Make More of It.
Schedule your hot water to heat when your solar is producing excess power – using more of your own energy instead of sending it back to the grid.
Thermann modelling shows potential savings of:
Solar PV → Up to $700–$1,000 per year*
Time-of-Use Tariff → Up to $400–$600 per year*
Actual savings vary depending on household usage, electricity tariffs, solar generation, system settings and other factors. Warranty conditions apply.
