Poolex Nano Reversible Pool Heat Pump – 5.25 kW (WiFi)
- Stock: In Stock
- Model: Poolex Nano B3-3kW
Why Choose Poolex Nano for Energy-Efficient Heating?
Efficient Pool Heating Solutions for Scandinavia and the Baltics
The Poolex Nano is a premium pool heat pump designed for small pools and hot tubs. Energy-efficient heating and cooling, saving up to 80% on energy costs.

Poolex Nano Reversible
Europe's Best-Loved Heat Pump for Small Pools - Now with Smart Connectivity!
Perfect for the Nordic Climate: Heat & Cool
The Poolex Nano Reversible is a smart pool heat pump that can both heat and cool your water. Maintain a stable temperature regardless of the weather.
Liner Protection: The cooling mode is essential during hot summers to prevent water overheating, which can damage the pool liner, causing wrinkles or cracks.

Save up to 80% on Energy Costs
The Poolex Nano is ultra-compact yet powerful. Compared to traditional electric heaters, it produces over 5 kW of heat for every 1 kW consumed. This means heating your pool is five times cheaper than with conventional methods.


Smart Control & Whisper Quiet
Quieter than a whisper: With a sound level under 30 dB(A) at 10m, it won't disturb your relaxation.
Manage everything via the Poolex app:
- ✅ Remote Control: Set temperature from anywhere.
- ✅ Real-time Info: Monitor water temperature instantly.
- ✅ Scheduling: Plan heating during off-peak electricity hours.
Technical Specifications
| Specification | Nano 3.5 (B3) | Nano 5.5 (B5) |
|---|---|---|
| Pool Volume | up to 20 m³ | up to 30 m³ |
| Power Output (Air 26°C) | 3.25 kW (COP 5.50) | 5.00 kW (COP 5.40) |
| Operating Range | -7°C to 43°C (Nordic Ready) | |
| Exchanger | Twisted Tech© Titanium (Salt Compatible) | |
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