☆   Located in Greystones, Ireland              ☆   EU-made saunas & accessories             ☆  German standards, local service

Outdoor Cold Plunge: Health & Wellness in Your Own Backyard

Boost recovery, sharpen focus, and build resilience — with powerful cold therapy right outside your door.
Why Polaris Sauna – for Cold Plunges?

We believe that true relaxation doesn't need a luxury resort — it begins in your own backyard

In a world of noise and overload, we help people reconnect — with cold water, clear focus, and a moment of stillness.

We stand for quality that lasts — and for decisions that make sense.
A Cold Plunge should be a long-term tool for health and resilience, not a hype. That’s why we build with durable materials and a purpose-driven mindset. We create Cold Plunges that perform — and keep performing, day in, day out.
No hollow wellness talk. No compromises. Just honest construction, thoughtful design, and technical precision you can rely on.

Two people in white robes stand by a wooden hot tub and a garden sauna outdoors, smiling and looking at the water. Trees and stacked logs are visible in the background, with a large parasol providing shade.
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Focus and Clarity Boost

What we offer

High Standard Outdoor Cold Plunges

It’s all in the detail – discover how each Cold Plunge is engineered for stability, thermal performance and daily use in any outdoor setting.

Our Products

Your Outdoor Cold Plunge

Engineered for performance and built to last – explore our selection of Cold Plunge tubs, each designed for outdoor use and daily recovery.

A Fibreglass Cold Plunge Tub for One sits on a snowy deck beside a barrel sauna, with a wooden chair and steps nearby, surrounded by snow-covered trees and bushes in this cosy outdoor sauna setting.

Fiberglass Cold Plunge Tub for One

1 Person

A cosy outdoor patio is covered in snow, featuring a Fibreglass Cold Plunge Tub for Two, a nearby barrel sauna with small steps, a cushioned sofa, a lantern-topped table, and surrounding snowy trees and bushes.

Fiberglass Cold Plunge Tub for Two

1 - 2 People

The Stainless Steel Cold Plunge Tub for One sits outdoors on gravel beside a barrel sauna. A three-step wooden ladder provides easy access, and tall grass and greenery offer a relaxing backdrop.

Stainless steel Cold Plunge Tub for One

1 Person

So what is our Approach?

How we work and why it matters.

Consultation over mass production

Every Cold Plunge setup is unique – just like your goals. We take the time to understand your routine and space, so your plunge tub fits perfectly and performs reliably, every single day.

Climate-conscious transport-efficient

Smart shipping, compact design, and durable materials make our Cold Plunges an eco-smart choice. We minimize packaging and mileage without compromising on quality – so you can cool down with a clear conscience.

Technical expertise & aesthetic care

Our Cold Plunge systems are engineered for performance and built to last. Clean lines, quality chillers, and intuitive controls ensure every dip feels purposeful, professional, and beautifully designed.

Close, personal communication

From first call to cold immersion – you’re never just a number. We’re available for honest advice, quick updates, and real support so you can confidently invest in your Cold Plunge setup.

Frequently asked Questions

Have questions about your Cold Plunge setup, maintenance, or installation requirements? You’re not alone — and we’re here to help.

Whether you’re just exploring cold water immersion for the first time or already planning your Cold Plunge installation, our team is happy to guide you every step of the way. If any details are still unclear or you’d like personalized support, feel free to reach out to us anytime. Our consultation is completely free and non-binding — no pressure, just expert advice. We’re here to make sure your Cold Plunge experience is as smooth, safe, and enjoyable as possible.

To install a Cold Plunge at home, you’ll need a flat, solid base like a concrete slab, pavers, or decking that can support the filled weight of the tub. Most Cold Plunges come pre-assembled or partially assembled and require access to a standard power outlet, usually 230V, depending on the model. Some models include chillers or filtration units that also need electricity. No plumbing is required for most systems unless you want a fixed drainage solution.

No permanent plumbing is needed for most Cold Plunge tubs. You can simply fill the tub using a garden hose. Water is usually drained via a built-in valve or plug at the bottom of the tub. Some owners choose to connect the drain to a fixed wastewater line, but this is optional. For mobile or outdoor use, a standard garden hose connection and a nearby drainage area are typically all you need.

Cold Plunges are usually delivered either fully assembled or 80–90% pre-assembled. Most units can be installed in under 30 minutes. The main steps involve placing the Cold Plunge in its final position, connecting the chiller unit (if included), filling it with water, and plugging it in. If your model includes additional options like filters or insulation lids, these may require minor assembly. An instruction manual is typically provided, and no professional tools are needed for setup.

The Cold Plunge should be placed on a firm, level surface that can support the full weight of the tub when filled with water and a person. Ideal surfaces include concrete, tile, gravel bases, or timber decking. Avoid placing it on grass, soft soil, or uneven ground, as this could affect stability and drainage. If installed outdoors, it’s also recommended to place it in a location protected from direct rain and debris.

Yes, if your Cold Plunge includes an integrated chiller or filtration system, it should remain plugged in to maintain water temperature and cleanliness. These systems are typically energy-efficient and use thermostats to regulate power consumption. However, if you’re using a basic tub without a chiller, it can be unplugged when not in use—but the water will warm up naturally and may require ice or frequent water changes.

If your Cold Plunge includes a filtration or sanitation system (like UV or ozone), you may only need to change the water every 4 to 6 weeks, depending on usage. For basic, unfiltered tubs, the water should be changed every few days, especially if used frequently. A good routine includes skimming the surface, wiping the interior, and checking water quality regularly to keep your plunge clean and hygienic.

Useful additions for a Cold Plunge include an insulated cover to retain low temperatures, a built-in or external chiller for consistent cooling, and a filtration system to keep the water clean. Some models offer digital temperature controls, ozone or UV disinfection, and wheels for easier relocation. A non-slip step or small bench can also make entry and exit safer and more comfortable.

Cold Plunges from Polaris Sauna

4 More Reasons that speak for Polaris Sauna

A man in swimming trunks kneels to test the water of a wooden hot tub beside a woman in a bikini, both outdoors among trees and stacked firewood, with a cold plunge tub nearby for the ultimate relaxing retreat.

Sustainable Cold

Cold water therapy is about clarity and focus – and that starts with clear values. Our Cold Plunge tubs are designed to cool efficiently and operate reliably with minimal energy consumption. Thanks to effective insulation, smart engineering, and durable European-made chillers, you get powerful performance with a light footprint. We use FSC-certified wood and recyclable materials wherever possible – and offer optional timers and smart controls for optimal energy use.

This way, you stay sharp and sustainable:
Low-impact, energy-smart, and made for the long run.

01
Garden Sauna

We Are With You

You come first at Polaris Sauna. We take the time to understand what you need in a Cold Plunge – with expert advice, individual guidance, and a focus on getting it right for you.

From planning and choosing the right model to delivery and setup, we make sure everything goes smoothly. Want support with installation? We’ve got you covered. Prefer to handle it yourself? Our intuitive guides and video tutorials make setup quick and easy.
So you can focus less on logistics – and more on what truly matters: your daily cold plunge ritual.

02
A person wearing a teal beanie relaxes in an outdoor wooden hot tub surrounded by snow-covered trees, with part of a barrel sauna visible in the foreground.

We Build For Irish Weather

Ireland’s climate isn’t always gentle – that’s why our Cold Plunges are made from solid spruce and thermowood, sustainably sourced from within the EU and chosen for outdoor resilience.

With excellent resistance to moisture and temperature changes, our Cold Plunge tubs stay structurally sound and visually appealing – whether facing rain, frost, or coastal air. Each model is designed to thrive in Irish conditions, giving you reliable cold water.

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A wooden decking features a round barrel sauna and a circular hot tub, both made of wood, with mountains and greenery in the background under a partly cloudy sky.

Technical Know How & Craftsmanship

With 15+ years of experience in outdoor systems, we know what it takes to build Cold Plunges that deliver – even in damp, cold, or coastal environments.

We help you select the right cooling technology and accessories based on your routine, usage intensity, and space. Whether for daily biohacking or post-workout recovery, your Cold Plunge setup is carefully matched to your needs – thoughtfully planned, not mass-produced.

04
Pure Nature

We’re with you – from first conversation to your first sauna session and beyond

Personal guidance, honest answers, and full support – every step of the way.

01
Free Consultations

At Polaris Sauna, you come first. We take the time to help you find the perfect sauna for your home – honestly, individually and with expert advice.

02
Professional Assembly

From your initial idea to the final selection and delivery – we make sure everything runs smoothly. If you prefer, we can also take care of professional assembly.

03
Support

Feeling hands-on? No problem. With our detailed assembly guidance, self-installation becomes a step-by-step success. So you can leave stress behind and focus on what really matters.

High-quality, long-lasting Outdoor Cold Plunges – developed for the Irish climate.

Built to perform in any season – our Cold Plunges are weather-resistant, low-maintenance and made for daily use. Whether for recovery or resilience, we’ll help you choose the right setup. Book your free, no-obligation consultation now.

Client Feedback & Reviews

Why Clients Love Working with Saunics.

97%

Successful Project

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98%

Satisfaction Rate

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What people say about Polaris Sauna

Guides & Stories

Need more help?

+353 892235349

Send us a message

info@polaris-sauna.ie