The Sirair Heat2O 5.4kW Geyser Heat Pump is a powerful, eco-friendly water heating solution for South African homes and small businesses. Using advanced refrigeration technology, it extracts heat from the surrounding air to provide continuous hot water at a fraction of the cost of traditional electric geysers.
With its quiet operation, Wi-Fi smart control, and solar system compatibility, this model is ideal for energy-conscious homeowners who want lower bills, long-term savings, and sustainable comfort.
Key Benefits
-
✅ 5.4kW Heating Capacity – Reliable hot water supply for residential & light commercial use
-
✅ Smart Wi-Fi Control – Manage and schedule heating via the Smart Life app
-
✅ Energy-Saving Design – Reduces electricity usage by up to 65%
-
✅ Low-Noise Operation – Quiet enough for household use
-
✅ Solar System Compatible – Perfect for hybrid renewable setups
-
✅ Durable Build – Weather-resistant construction for long-lasting performance
-
✅ Eco-Friendly Refrigerant (R134a) – Lower environmental impact
-
✅ Disinfection Function – Heats water to 75°C periodically to kill bacteria
Perfect For
-
🏡 Homeowners looking for eco-friendly water heating
-
🏢 Small businesses & residential complexes
-
☀️ Properties with solar panels for hybrid efficiency
-
♻️ Energy-conscious consumers upgrading from electric geysers
-
🛠️ Developers seeking sustainable water heating solutions
Technical Specifications
| Feature | Details |
|---|---|
| Model | Sirair Heat2O 5.4kW |
| Heating Capacity | 5.4kW |
| Maximum Temperature | 75°C |
| Refrigerant | R134a |
| Control | Wi-Fi compatible (Smart Life App) |
| Installation | Wall-mounted or freestanding |
| Functions | Heating + Disinfection Cycle |
| Noise Level | Low dB |
| Warranty | 2 Years (Manufacturer’s T&Cs apply) |
| Dimensions | 103 × 44.5 × 59.2 cm |
| Weight | 60kg |
Usage Tips
-
🔒 Ensure professional installation to maintain warranty
-
⏱️ Use a timer for even greater electricity savings
-
☀️ Combine with solar panels for maximum efficiency
-
🌀 Clean filters regularly to maintain peak airflow and performance
What’s in the Box
-
1 × 5.4kW Geyser Heat Pump – Sirair Heat2O
-
1 × Wired Controller + Housing Wiring (20m)
-
1 × User Manual
-
1 × Mounting Rubbers
-
1 × Drain Fittings (PVC Flexible Piping)
-
1 × Tank Temperature Sensor
-
1 × Coil Temperature Sensor
Nationwide Installer Network
Every unit comes with a QR code linking to verified installers nationwide — from Johannesburg to Durban to Cape Town.
📌 Please note: Installation is not included in the price. Customers book and pay installers directly.
Why Choose the Sirair Heat2O 5.4kW Geyser Heat Pump?
This unit combines power, efficiency, and smart technology to provide reliable hot water with reduced running costs. Whether you’re looking to save on electricity bills, reduce your carbon footprint, or future-proof your home, the Heat2O 5.4kW is the ideal investment.
👉 Order online today for fast delivery and start enjoying sustainable hot water all year round.





Reviews
There are no reviews yet.