The Future of
Hot Water, Today.
Elon Smart Water is a connected water-heating system that upgrades standard electric geysers with intelligent
control, real-time monitoring, and seamless solar-PV integration — without replacing the tank.
Smart Control for Your Existing Geyser
Elon Smart Water replaces the standard geyser thermostat with an intelligent, connected controller. It manages when and how water is heated, prioritising solar energy and reducing unnecessary grid usage — without replacing the geyser tank.
Designed to consistently deliver hot water at the lowest possible energy cost.
Immediate Benefits
Lower electricity usage from day one (with or without solar)
Real-time energy and temperature monitoring
Solar-PV ready (direct DC water heating)
Early leak and component fault detection
Control via the app
Smart Control for Your Existing Geyser
Elon Smart Water replaces the standard geyser thermostat with an intelligent, connected controller. It manages when and how water is heated, prioritising solar energy and reducing unnecessary grid usage — without replacing the geyser tank.
Designed to consistently deliver hot water at the lowest possible energy cost.
Immediate Benefits
Lower electricity usage from day one (with or without solar)
Real-time energy and temperature monitoring
Solar-PV ready (direct DC water heating)
Early leak and component fault detection
Control via the app
Smart Control for Your Existing Geyser
Elon Smart Water replaces the standard geyser thermostat with an intelligent, connected controller. It manages when and how water is heated, prioritising solar energy and reducing unnecessary grid usage — without replacing the geyser tank.
Designed to consistently deliver hot water at the lowest possible energy cost.
Immediate Benefits
Lower electricity usage from day one (with or without solar)
Real-time energy and temperature monitoring
Solar-PV ready (direct DC water heating)
Early leak and component fault detection
Control via the app
Solar Hot Water, Without Complexity
Elon Smart uses solar-PV water heating to convert sunlight directly into heat inside your geyser. This approach eliminates the complexity of traditional solar systems while delivering reliable, year-round performance — even in winter.
No roof tanks. No pumps. No moving parts.
Solar-PV Made Simple
Direct DC solar-PV water heating
No inverters or batteries required
Strong winter and low-light performance
Simple, fast installation
Integration with existing infrastructure
Solar Hot Water, Without Complexity
Elon Smart uses solar-PV water heating to convert sunlight directly into heat inside your geyser. This approach eliminates the complexity of traditional solar systems while delivering reliable, year-round performance — even in winter.
No roof tanks. No pumps. No moving parts.
Solar-PV Made Simple
Direct DC solar-PV water heating
No inverters or batteries required
Strong winter and low-light performance
Simple, fast installation
Integration with existing infrastructure
Solar Hot Water, Without Complexity
Elon Smart uses solar-PV water heating to convert sunlight directly into heat inside your geyser. This approach eliminates the complexity of traditional solar systems while delivering reliable, year-round performance — even in winter.
No roof tanks. No pumps. No moving parts.
Solar-PV Made Simple
Direct DC solar-PV water heating
No inverters or batteries required
Strong winter and low-light performance
Simple, fast installation
Integration with existing infrastructure
Early Warnings That Prevent Costly Failures
Most geyser failures happen gradually and go unnoticed until damage occurs. Elon Smart continuously monitors system behaviour and detects abnormal patterns early — helping prevent leaks, failures, and insurance claims.
This intelligence protects homes, buildings, and occupants.
Built-In Protection
Continuous system monitoring
Early detection of leaks and faults
Abnormal usage alerts
Remote fault notifications
One point of accountability for support
Early Warnings That Prevent Costly Failures
Most geyser failures happen gradually and go unnoticed until damage occurs. Elon Smart continuously monitors system behaviour and detects abnormal patterns early — helping prevent leaks, failures, and insurance claims.
This intelligence protects homes, buildings, and occupants.
Built-In Protection
Continuous system monitoring
Early detection of leaks and faults
Abnormal usage alerts
Remote fault notifications
One point of accountability for support
Early Warnings That Prevent Costly Failures
Most geyser failures happen gradually and go unnoticed until damage occurs. Elon Smart continuously monitors system behaviour and detects abnormal patterns early — helping prevent leaks, failures, and insurance claims.
This intelligence protects homes, buildings, and occupants.
Built-In Protection
Continuous system monitoring
Early detection of leaks and faults
Abnormal usage alerts
Remote fault notifications
One point of accountability for support
TESTIMONIALS
Customer Testimonials
Very happy with my Elon system. Saved me a fortune.
Steven Johnson
Since installing the Elon Smart in my house in Voëlklip, Hermanus, my electricity units per month went from 1610 units to 205 units from 12 December to 15 January, exceeding my expectations hugely. Can honestly recommend the Elon Smart system 100%. Massive saving on my electricity bill. The app super easy to navigate and very user friendly.
Rhonette Fick
Since installing the Elon Smart in my house in Voëlklip, Hermanus, my electricity units per month went from 1610 units to 205 units from 12 December to 15 January, exceeding my expectations hugely. Can honestly recommend the Elon Smart system 100%. Massive saving on my electricity bill. The app super easy to navigate and very user friendly.
Rhonette Fick
4 years and still the best free hot water i have ever had. My house in Dullstroom has never not had hot water since we installed the Elon 100 in my house. The house is totally off grid and we aim to keep it that way. Thanks #Poweroptimal for your amazing product. Anthony
Anthony McHenry
The Elon Smart itself is quite a revolutionary product and has slashed my electricity bill while improving the amount of time I have hot water
Muhammad Rajah
We are using the Elon100 since September 2019 without any problem. We actually changed from Geyzerwise to Elon100 and happy ever after.
Michiel De Kock
We are using the Elon100 since September 2019 without any problem. We actually changed from Geyzerwise to Elon100 and happy ever after.
Michiel De Kock
Elon Smart Hot Water works like a bomb. Haven’t used main power since installation. But .,,, it’s been summer. Hopefully winter works just as well. Did install an extra panel so have 3 panels
Lorraine Stewart
FAQs
Got questions?
We’re here to make Elon Smart easy to understand. Find answers to the most common questions below.
Still got questions?
Product & Technology
Costs & Compliance
Installation & Warranty
It’s the only solution that retrofits standard electric geysers and is solar PV-ready—combining smart thermostat control, connected monitoring and seamless solar integration.
Yes — if you have a compatible geyser (for example from your preferred brand), your electrician can replace the thermostat with the Elon smart unit and convert it into a smart, solar-ready heater.
The Elon 100 is a solar-PV water-heater kit. The Smart Water solution is a next-generation smart thermostat platform that turns standard geysers into connected, solar-ready devices.
The size depends on your hot-water usage, location and array size; as a guide we recommend a minimum of around 1 kWp of solar PV for the retrofit system.
If there is sun the system can heat with solar; if there’s no grid and no solar it will pause heating. During load-shedding you still benefit whenever solar is available.
FAQs
Got questions?
We’re here to make Elon Smart easy to understand. Find answers to the most common questions below.
Product & Technology
Costs & Compliance
Installation & Warranty
It’s the only solution that retrofits standard electric geysers and is solar PV-ready—combining smart thermostat control, connected monitoring and seamless solar integration.
Yes — if you have a compatible geyser (for example from your preferred brand), your electrician can replace the thermostat with the Elon smart unit and convert it into a smart, solar-ready heater.
The Elon 100 is a solar-PV water-heater kit. The Smart Water solution is a next-generation smart thermostat platform that turns standard geysers into connected, solar-ready devices.
The size depends on your hot-water usage, location and array size; as a guide we recommend a minimum of around 1 kWp of solar PV for the retrofit system.
If there is sun the system can heat with solar; if there’s no grid and no solar it will pause heating. During load-shedding you still benefit whenever solar is available.
Still got questions?
FAQs
Got questions?
We’re here to make Elon Smart easy to understand. Find answers to the most common questions below.
Product & Technology
Costs & Compliance
Installation & Warranty
It’s the only solution that retrofits standard electric geysers and is solar PV-ready—combining smart thermostat control, connected monitoring and seamless solar integration.
Yes — if you have a compatible geyser (for example from your preferred brand), your electrician can replace the thermostat with the Elon smart unit and convert it into a smart, solar-ready heater.
The Elon 100 is a solar-PV water-heater kit. The Smart Water solution is a next-generation smart thermostat platform that turns standard geysers into connected, solar-ready devices.
The size depends on your hot-water usage, location and array size; as a guide we recommend a minimum of around 1 kWp of solar PV for the retrofit system.
If there is sun the system can heat with solar; if there’s no grid and no solar it will pause heating. During load-shedding you still benefit whenever solar is available.
