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PortaSauna X Poolex 3 kW Spa Heater & Chiller | Full Inverter Spa Heat Pump
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A compact 3 kW spa heater and cooler built with Poolex Full Inverter technology. Designed for small spa systems, cold plunges and backyard wellness setups needing precise, efficient temperature control all year.
The PortaSauna X Poolex 3 kW Spa Heater & Chiller is the perfect upgrade for small spa systems, ice baths and compact wellness setups. Engineered by Poolex, Europe’s leading heat-pump manufacturer, this 3 kW model brings high-performance heating and cooling in a compact, ultra-efficient footprint.
Powered by Full Inverter technology, it delivers stable temperatures, whisper-quiet operation and energy savings of up to 75% compared to standard electric heating. Whether you want 40°C spa sessions or 4–10°C cold-plunge therapy, the 3 kW unit offers smooth, reliable temperature control even in cooler UK climates.
Compact, lightweight and easy to install, it is the perfect partner for PortaSauna, PortaPlunge SOLO, CUBE, and smaller residential spa systems.
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Delivery: Sent by tracked courier, usually within 3 to 7 working days from dispatch
Location: Mainland UK delivery as standard, additional charges may apply for remote areas
Returns window: 30 days from delivery if unused and in original packaging
Return collection: Optional courier collection available, with the collection cost deducted from your refund
Refund timing: Processed within 5 to 7 working days after inspection
Full policy: See our Returns page
Location: Mainland UK delivery as standard, additional charges may apply for remote areas
Returns window: 30 days from delivery if unused and in original packaging
Return collection: Optional courier collection available, with the collection cost deducted from your refund
Refund timing: Processed within 5 to 7 working days after inspection
Full policy: See our Returns page
- Full Inverter technology for low noise and high efficiency
- Heats water up to 40°C and chills to approximately 10°C
- Energy savings up to 75% compared with standard electric heaters
- Ideal for small spas, ice baths and plunge pools
- Simple installation with 32 to 38 mm hose connections
- Built with a corrosion resistant titanium heat exchanger
- Quiet rotary compressor for stable, reliable performance
Model: 3 kW Full Inverter spa heater and chiller (OSPA series style)
Heating capacity: 1.5 to 3.0 kW
Cooling capacity: 0.8 to 2.2 kW
Power supply: 220 to 240 V, single phase
Connections: 32 / 38 mm hose fittings
Heating range: 15 to 40°C
Cooling range: Approx. 10 to 28°C
Recommended flow rate: 2 to 3 m³ per hour
Compressor: Rotary
Heat exchanger: Titanium, anti corrosion
Noise level: Less than 40 dB at 10 m
Refrigerant: R32
Heating capacity: 1.5 to 3.0 kW
Cooling capacity: 0.8 to 2.2 kW
Power supply: 220 to 240 V, single phase
Connections: 32 / 38 mm hose fittings
Heating range: 15 to 40°C
Cooling range: Approx. 10 to 28°C
Recommended flow rate: 2 to 3 m³ per hour
Compressor: Rotary
Heat exchanger: Titanium, anti corrosion
Noise level: Less than 40 dB at 10 m
Refrigerant: R32
Unit dimensions (L x D x H): 440 x 380 x 423 mm
Net weight: 26 kg
Net weight: 26 kg
Installation: Outdoor or ventilated plant area, positioned on a stable, level base
Plumbing: Connects in line using standard 32 or 38 mm hoses and appropriate fittings
Electrical: Requires a suitable 220 to 240 V supply installed by a qualified electrician
Compatible setups: PortaPlunge cold plunge pools, small above ground spas, compact ice baths and recovery tubs
Best use case: Year round temperature control for private home wellness areas and small professional recovery spaces
Plumbing: Connects in line using standard 32 or 38 mm hoses and appropriate fittings
Electrical: Requires a suitable 220 to 240 V supply installed by a qualified electrician
Compatible setups: PortaPlunge cold plunge pools, small above ground spas, compact ice baths and recovery tubs
Best use case: Year round temperature control for private home wellness areas and small professional recovery spaces
PortaSauna X Poolex 3 kW Spa Heater & Chiller | Full Inverter Spa Heat Pump
Sale price£576.95
Regular price (/)
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When you buy a PortaPlunge, you’re not just getting a plunge – you’re joining a warm, welcoming community of sauna and plunge lovers.
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Frequently Asked Questions
For any additional queries, contact us at 02392 984 667or hello@portasauna.co.uk.
Do you ship overseas?
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details will be provided in your confirmation email.
Where can I use PortaPlunge?
PortaPlunge can be used indoors or outdoors on any flat surface. Avoid sharp objects and ensure stable ground before filling.
How long does setup take?
Under 5 minutes using the included hand pump.
What’s it made of?
8 cm thick drop-stitched, heat-sealed premium PVC — the same grade used in high-pressure paddleboards.
How do I drain it?
Use the integrated drain valve or siphon hose attachment. Ensure disposal complies with local drainage rules.
Our customer support is available Monday to Friday: 8am-8:30pm.Average answer time: 24h
Fast Shipping
Quick delivery from our UK & EU warehouses on all orders with 30 day return policy.
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We’re here for you 7 days a week, ready to help by phone or email.
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All payments are processed safely and securely with 0% Finance Options Available.
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