Entering a sauna after a long day feels like pure luxury. Now imagine having that experience alongside a traditional hammam and refreshing plunge bath, all within the same sleek system. That’s exactly what Italian wellness company Effe created with their new Petra SH, which made its debut at Milan Design Week 2025. Designer Marco Williams Fagioli became fascinated by the rituals surrounding thermal wellness while developing this system. He discovered that traditional hammams required bathers to bow when entering through deliberately low doorways as a sign of respect.
These cultural nuances shaped his approach, ensuring the Petra SH honors the authentic spirit of these ancient practices while fitting seamlessly into modern homes. The flexibility of this modular design is its USP. Whether you’re planning a compact home retreat or designing a hotel spa, the system adapts to your space. You can choose between clear glass panels for an open, airy feel or opt for opaque surfaces when privacy matters more. This versatility makes it work just as well in a city apartment as it does in a sprawling country estate.
Designer: Effe
The entire system uses eco-friendly, recyclable materials that align with today’s environmental consciousness. The sauna interior features Swiss pine cladding, chosen for its natural anti-bacterial properties and distinctive alpine fragrance. This hardy wood withstands temperature extremes and also creates that authentic forest-like atmosphere that makes sauna sessions so restorative. Having the plunge bath integrated directly into the system changes everything. Instead of needing a separate setup for cold therapy, you get the complete thermal contrast experience in one beautifully designed unit.
This proves useful in urban settings where space comes at a premium, yet people still crave comprehensive wellness experiences. Effe has spent nearly four decades perfecting wellness design, and that expertise shows in every detail of the Petra SH. The company understands that great wellness design goes beyond just functionality—it needs to create an experience that transports you from everyday stress into a state of genuine relaxation.
The timing is exceptional. Home wellness has exploded in popularity, with people investing in creating sanctuary spaces within their walls. The Petra SH addresses this desire while solving the common problem of needing multiple systems for different types of heat therapy. Instead of choosing between a sauna and a steam room, you get both, plus the cold plunge that completes the traditional Nordic wellness cycle.
I admire how this system brings together wellness traditions from different cultures—Finnish sauna culture, Turkish hammam rituals, and cold therapy practices—into one cohesive experience. It’s not just about having multiple options; it’s about creating a journey that honors the deep cultural significance of these practices while making them accessible for modern life.
FAQs
1. What is a modular spa system, and how does it work?
A modular spa system is all about flexibility and personalization. Instead of being locked into a single setup, you get a series of components—like a sauna, hammam, and cold plunge—that can be mixed and matched to fit your space and your needs. With something like Petra SH, you can create a wellness retreat that works just as well in a city apartment as it does in a larger home. The modules are designed to fit together seamlessly, so you can choose the features and finishes that suit your style, and even reconfigure or expand the setup later on if your needs change.
2. What are the health benefits of combining sauna, hammam, and cold plunge?
Bringing together sauna, hammam, and cold plunge therapies gives you the best of all worlds. The heat from the sauna and steam room helps relax your muscles, encourages deep sweating, and gets your blood flowing. When you follow that with a cold plunge, it wakes up your senses, reduces inflammation, and can even help your body recover after a workout. Switching between hot and cold is a time-tested way to boost circulation, ease stress, and support your immune system. Many people find this routine leaves them feeling both deeply relaxed and re-energized.
3. What makes Petra SH different from other home wellness systems?
Petra SH sets itself apart by blending authentic wellness traditions with modern design. It’s inspired by the rituals of Turkish hammams and Finnish saunas, so you get thoughtful details—like the low doorway and the use of Swiss pine—that honor those roots. But it’s also incredibly versatile: you can have a sauna, steam room, and cold plunge all in one system, tailored to fit your space. Sustainability is built in, with eco-friendly materials throughout. The result is a wellness experience that feels both timeless and perfectly suited to contemporary living.
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