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Heatwave Sonoma 4-Person Hemlock Infrared Sauna

Save $1,097.24 Save $1,097.24
Original price $5,486.23
Original price $5,486.23 - Original price $5,486.23
Original price $5,486.23
Current price $4,388.99
$4,388.99 - $4,388.99
Current price $4,388.99
  • āœ“ Free Shipping to the Continental U.S.
  • āœ“ Full Manufacturer Warranty Included
  • āœ“ Dedicated Customer Support
  • āœ“ Trusted by Clinics, Gyms & Home Athletes Nationwide

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — 9 Carbon Heaters | Ionizer | cETL Listed | 7-Year Warranty

FAR Infrared Heat • 9 Carbon Heaters • 4-Person Capacity • Solid Hemlock • 2100W • 120V • Ionizer • LED Lighting • Audio Jacks • cETL Listed • FREE Shipping

9 Carbon Heaters. Ionizer. 7-Year Warranty. Built for Four.

The Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna delivers serious group recovery performance with premium construction and a feature set that goes beyond the basics. Nine carbon FAR infrared heaters deliver deep, even heat throughout the spacious hemlock cabin — reaching up to 140°F — while a built-in ionizer, LED lighting, and audio jacks create a complete home wellness environment. cETL listed for safety and backed by a 7-year limited warranty, the Sonoma is built to last. Runs on a standard 120V / 20A circuit.

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — exterior front view

9 Carbon FAR Infrared Heaters & Solid Hemlock Construction

9 Carbon Heaters — Deep FAR Infrared to 140°F | 2,100W | 120V

Nine carbon FAR infrared heaters deliver deep, even heat throughout the 4-person cabin, reaching up to 140°F. Carbon heaters produce a broad, consistent infrared output that penetrates deep into muscle and joint tissue — promoting circulation, reducing inflammation, and accelerating post-training recovery. At 2,100W on a standard 120V / 20A circuit, no dedicated electrical work is required for most homes.

Solid Hemlock — Antimicrobial, Mold & Rot Resistant

Crafted from solid hemlock wood, the Sonoma is naturally antimicrobial, mold and mildew resistant, and rot resistant — built to withstand years of regular high-heat use. The spacious 4-person interior features two benches and a tempered glass door, with overall dimensions of 75" H Ɨ 71" W Ɨ 45" D and a generous interior of 68.5" H Ɨ 67.5" W Ɨ 35" D.

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — interior carbon heater panels

Key Features

  • āœ“ 9 carbon FAR infrared heaters — deep, even heat to 140°F
  • āœ“ 4-person capacity — 2 interior benches
  • āœ“ Solid hemlock — antimicrobial, mold/mildew & rot resistant
  • āœ“ cETL Listed — Canadian safety certification
  • āœ“ 2,100W | 120V / 20A — standard outlet compatible
  • āœ“ Ionizer included
  • āœ“ LED lighting, air vent & adjustable temperature
  • āœ“ Audio input/output jacks
  • āœ“ Interior control panel
  • āœ“ Tempered glass door
  • āœ“ Overall: 75" H Ɨ 71" W Ɨ 45" D | Weight: 344 lb
  • āœ“ Interior: 68.5" H Ɨ 67.5" W Ɨ 35" D
  • āœ“ 7-year limited warranty

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — hemlock wood construction detail

Perfect For

  • āœ“ Families & Training Groups: 4-person capacity with 2 benches for shared recovery sessions after training or a long day
  • āœ“ Serious Athletes: 9 carbon FAR infrared heaters deliver deep, penetrating heat for accelerated post-training muscle recovery and inflammation reduction
  • āœ“ Air Quality & Wellness: Built-in ionizer purifies cabin air during every session for a cleaner, more refreshing sauna experience
  • āœ“ Premium Home Wellness: cETL certified, 7-year warranty, LED lighting, and audio jacks for a complete spa-quality home sauna
  • āœ“ Standard Homes: 120V / 20A — no dedicated circuit or electrician required for most installations

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — interior bench and seating view

Complete Technical Specifications

Feature Specification
Brand Heatwave
Model Sonoma
Seating Capacity 4 Persons
Sauna Type FAR Infrared Sauna
Number of Heaters 9 Carbon Heaters
Maximum Temperature 140°F
Wattage 2,100W
Voltage 120V
Amperage 20 Amps
Wood Species Solid Hemlock
Safety Certification cETL Listed
Ionizer Yes
LED Lighting Yes
Air Vent Yes
Audio Jacks Yes (input & output)
Control Panel Interior
Door Material Tempered Glass
Number of Benches 2
Recommended Location Indoor
Overall Dimensions 75" H Ɨ 71" W Ɨ 45" D
Interior Dimensions 68.5" H Ɨ 67.5" W Ɨ 35" D
Weight 344 lb
Assembly Required (2 people recommended; screwdriver & ladder needed)
Warranty 7-Year Limited (defects & parts)

Heatwave Sonoma 4-Person Hemlock FAR Infrared Sauna — LED lighting and ionizer detail

Frequently Asked Questions

Does this sauna require special electrical wiring?

No — the Sonoma runs on a standard 120V / 20A circuit, compatible with most home outlets. No dedicated circuit or licensed electrician is required for most installations. We recommend confirming your outlet capacity before use.

What does the ionizer do?

The built-in ionizer releases negative ions into the cabin air during your session, helping to purify the air and create a fresher, more invigorating sauna environment.

Is this sauna safety certified?

Yes — the Heatwave Sonoma is cETL Listed, independently tested and certified to meet Canadian electrical safety standards.

Does this ship for free?

Yes! This sauna ships FREE to the contiguous United States. Shipping will be confirmed at checkout.

Do you offer financing?

Yes! Flexible financing options are available at checkout.

9 Carbon Heaters. Ionizer. 7-Year Warranty. Built for Four.

The Heatwave Sonoma — premium 4-person FAR infrared recovery with the features and warranty to match

Add to cart now and elevate your home wellness space.

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