Designed in the UK
Thoughtfully crafted to deliver a product that’s built to perform and made to last.


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A 7 kW extreme-climate spa heat pump capable of heating and cooling down to –25°C ambient. Built with EVI and Full Inverter technology for maximum performance in all seasons.
The PortaSauna X Poolex 7 kW IceSpa Cooler is the ultimate heater/chiller for cold-plunge pools, Nordic baths, swim spas and high-performance wellness setups. Engineered with Poolex EVI (Enhanced Vapour Injection) technology, it is specifically designed to operate in extreme climates, delivering heating and cooling even in temperatures as low as –25°C.
According to the technical specification sheet (page 1–2) , the 7 kW IceSpa delivers:
Heating power up to 7 kW at Air 26°C / Water 26°C
Up to 3.3 kW at –10°C / 38°C water
COP up to 11.9 in optimal conditions
Silent operation: <48 dB at 1m and <28 dB at 10m
This makes it one of the most efficient spa heat pumps in its category.
Designed for year-round operation, contrast therapy, commercial use and heavy-duty spa environments, this is the flagship cooling system for the PortaSauna & PortaPlunge range.
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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.
8K FollowersFor any additional queries, contact us at 02392 984 667or hello@portasauna.co.uk.
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.
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.
PortaPlunge can be used indoors or outdoors on any flat surface. Avoid sharp objects and ensure stable ground before filling.
Under 5 minutes using the included hand pump.
8 cm thick drop-stitched, heat-sealed premium PVC — the same grade used in high-pressure paddleboards.
Use the integrated drain valve or siphon hose attachment. Ensure disposal complies with local drainage rules.
Thoughtfully crafted to deliver a product that’s built to perform and made to last.
Quick delivery from our UK & EU warehouses on all orders with 30 day return policy.
We’re here for you 7 days a week, ready to help by phone or email.
All payments are processed safely and securely with 0% Finance Options Available.