See your savings — in rands.
See your savings — in rands.
Your geyser is one of the biggest energy spenders in your home. Elon helps it run on sunshine first — so you get reliable hot water, reduced bills, and fewer nasty surprises.
Your geyser is one of the biggest energy spenders in your home. Elon helps it run on sunshine first — so you get reliable hot water, reduced bills, and fewer nasty surprises.
FOR HOMEOWNERS
Hot Water That Pays You Back
Lower Bills
App Control
Early Warnings
Winter-Proven
Low Maintenance
Future-Focused
Easy to Install
Solar-Ready
Built in SA
Hot water shouldn’t be a monthly shock.
Most homes heat water the expensive way: with grid power, at the worst times of day, with zero visibility. You only notice your geyser when the bill lands — or when something bursts.
Elon Smart Water turns your existing geyser into a solar-ready, connected system. It uses the sun first, optimises heating automatically, and alerts you early when something’s wrong — so you keep hot water flowing with less cost and less risk.
Simple upgrade. Big relief.
FOR HOMEOWNERS
Hot Water That Pays You Back
Lower Bills
App Control
Early Warnings
Winter-Proven
Low Maintenance
Future-Focused
Easy to Install
Solar-Ready
Built in SA
Hot water shouldn’t be a monthly shock.
Most homes heat water the expensive way: with grid power, at the worst times of day, with zero visibility. You only notice your geyser when the bill lands — or when something bursts.
Elon Smart Water turns your existing geyser into a solar-ready, connected system. It uses the sun first, optimises heating automatically, and alerts you early when something’s wrong — so you keep hot water flowing with less cost and less risk.
Simple upgrade. Big relief.
FOR HOMEOWNERS
Hot Water That Pays You Back
Lower Bills
App Control
Early Warnings
Winter-Proven
Low Maintenance
Future-Focused
Easy to Install
Solar-Ready
Built in SA
Hot water shouldn’t be a monthly shock.
Most homes heat water the expensive way: with grid power, at the worst times of day, with zero visibility. You only notice your geyser when the bill lands — or when something bursts.
Elon Smart Water turns your existing geyser into a solar-ready, connected system. It uses the sun first, optimises heating automatically, and alerts you early when something’s wrong — so you keep hot water flowing with less cost and less risk.
Simple upgrade. Big relief.
REAL-WORLD RESULTS
See What Your Home Could Achieve
Nine Months Monitored, 73% Solar — The Longest-Running Dataset in the Series
The smallest system in the series, the longest monitoring period, and still a 73% solar fraction. This is the proof point for budget-conscious households: even a modest 1.6 kWp array pays for itself and keeps delivering.
📍 Location
Roodepoort, Gauteng
👥 Household Size
3 people (couple + primary school-age child)
🔋 Solar Contribution
73%
⚡ Solar-PV Array Size
⚡ Solar-PV Array Size
🗓️ Month & Year
May 2017
⚡ Total Energy Used for Water Heating
112 kWh/month
Nine Months Monitored, 73% Solar — The Longest-Running Dataset in the Series
The smallest system in the series, the longest monitoring period, and still a 73% solar fraction. This is the proof point for budget-conscious households: even a modest 1.6 kWp array pays for itself and keeps delivering.
📍 Location
Roodepoort, Gauteng
👥 Household Size
3 people (couple + primary school-age child)
🔋 Solar Contribution
73%
⚡ Solar-PV Array Size
⚡ Solar-PV Array Size
🗓️ Month & Year
May 2017
⚡ Total Energy Used for Water Heating
112 kWh/month
Nine Months Monitored, 73% Solar — The Longest-Running Dataset in the Series
The smallest system in the series, the longest monitoring period, and still a 73% solar fraction. This is the proof point for budget-conscious households: even a modest 1.6 kWp array pays for itself and keeps delivering.
📍 Location
Roodepoort, Gauteng
👥 Household Size
3 people (couple + primary school-age child)
🔋 Solar Contribution
73%
⚡ Solar-PV Array Size
⚡ Solar-PV Array Size
🗓️ Month & Year
May 2017
⚡ Total Energy Used for Water Heating
112 kWh/month
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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.
