Most larger saunas promise more room.

But more space only matters if the heat, comfort, and layout keep up.

The FD-3 Full-Spectrum Infrared Sauna is designed for people who want to stretch out, share sessions, or simply avoid feeling confined without sacrificing performance.

So instead of asking, “How many people does it fit?”

A better question is: “Does it still perform when the space increases?”

This one does.

Full-Spectrum Heating That Scales With Size

Larger saunas often struggle with uneven heating. That is exactly what this system is built to solve.

The FD-3 combines:

• Spectrum Plus™ short-wave infrared heaters (UL Listed)
• Carbon 360° long-wave infrared panels

Why this matters in a 3–4 person sauna:

• Heat is distributed evenly across a larger interior
• No cold zones when multiple users are inside
• Deeper penetration into muscles and joints, not just surface warmth
• More consistent sweating without needing extreme temperatures

Each heater is placed strategically, so the experience remains balanced no matter where you sit.

Heat Performance Without the Wait

Size usually slows things down. Not here.

• Reaches up to 170°F in under 60 minutes
• Operates on a standard home outlet
• Maintains stable temperature even with multiple users

This makes it practical for regular use, not just occasional sessions.

Interior Comfort: Built for Longer Sessions

A bigger sauna should feel more comfortable, not just more spacious.

Ergonomic bench design: Supports longer sitting sessions without discomfort

Western Canadian Cedar interior

• Naturally antimicrobial
• Resists mold, bacteria, and odor buildup
• Keeps the environment clean and breathable

This is especially important when the sauna is used by more than one person.

Exterior Durability: Designed for Long-Term Use

Larger units face more structural stress over time. That is why the FD-3 uses:

Thermal Plus™ Aspen exterior

• Resistant to warping, cracking, and moisture damage

Double-wall construction with non-toxic wool insulation

• Improves heat retention
• Reduces energy loss
• Adds structural strength

This is what keeps performance consistent as the sauna ages.

Heating Efficiency & Safety Engineering

Performance is not just about temperature. It is about how efficiently the heat is delivered.

• High emissivity infrared heaters
• Transfer more heat directly to the body
• Low EMF design
• Tested by a NASA award-winning facility
• UL-listed components and ETL certification
• Built to meet strict safety standards

This allows for frequent use without unnecessary concerns.

Integrated Lighting & Session Enhancement

The FD-3 includes Spectrum LED near-infrared ceiling lighting, which supports:

• Circulation and recovery
• A more balanced heat experience
• A calmer, more controlled environment

It adds depth to your session rather than just heat intensity.

Smart Controls Built for Shared Use

When multiple people are using a sauna, control matters more.

• Wi-Fi touchscreen controller
• Easy temperature and session adjustments
• Bluetooth audio system with 6” Hi-Fi speakers

Whether you are relaxing alone or with others, everything stays within reach.

Designed to Fit Spaces Easily

A 3–4 person sauna still needs to work within your home layout.

• Adjustable feet for uneven flooring
• Stable structure even on imperfect surfaces
• 8mm tempered glass door for insulation and openness

It integrates into your space without requiring major adjustments.

Key Features Overview

• Full-spectrum infrared system (short-wave + carbon 360°)
• Even heat distribution across a larger interior
• Reaches up to 170°F efficiently
• Antimicrobial cedar interior
• Durable Aspen exterior
• Ergonomic seating for longer sessions
• Wi-Fi touchscreen controls
• Bluetooth audio with Hi-Fi speakers
• Low EMF tested design
• Double-wall insulated construction

What’s Included

• Full panel system (top, bottom, sides, back, front)
• Tempered glass door with handle
• Infrared heater panels
• Bench seating and supports
• Power supply, cables, and connections
• Wood-covered heater connections
• Spectrum LED near-infrared ceiling lights
• Wi-Fi touchscreen controller
• Bluetooth audio system
• Adjustable sauna feet
• All installation hardware