Fortress: 4 Person Indoor Hybrid Sauna
We stand behind the quality and craftsmanship of this sauna. That’s why it comes with a 10-Year warranty, ensuring your investment is protected for the long haul.
We streamlined the assembly process with our modular system and tongue and groove design. This model can typically be assembled within just a few hours.
This hybrid sauna offers the best of both worlds, reaching a max infrared heat of 170°F and traditional heat up to 190°F. Enjoy deep infrared therapy or the classic high-heat sauna experience in one versatile, efficient package.
The Fortress Hybrid Sauna is the only sauna available that combines UL listed Spectrum Plus infrared heaters with a traditional sauna heater that uses vulcanite sauna stones to radiate an even heat and allows you to splash a ladle of water onto the rocks for steam. True medical grade Spectrum Red Light™ Therapy rounds out this multidimensional home wellness system. Get all the benefits of infrared combined with traditional rocks with steam.
Get hot fast! The only IR heaters that have passed the rigorous tests from Underwriter Laboratories used in tandem with a traditional steam sauna stove. Short wave far-infrared penetrates muscles, joints, and makes you sweat 25 times more than carbon panel heaters.
The traditional 240V/20A 4.5kW sauna heater lets you splash some water onto the rocks for a luxurious steam sauna experience. Reap the benefits and the intensity only offered by a steam sauna.
Red light therapy is a type of phototherapy that uses low-level light wavelengths to penetrate the skin and stimulate the production of collagen and other proteins, which can lead to numerous potential health benefits. It’s a perfect enhancement to your sauna wellness ritual.
Features
- Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters.
- Spectrum Red Light™ Therapy. 192 Diode medical grade LED panel capable of producing highly beneficial 650nm of red light therapy combined with chromotherapy for those days you need a little love.
- Antimicrobial Western Canadian cedar interior that protects against mold, bacteria and fungus.
- Thermal Plus™ Aspen exterior that will never rot, warp, decay or chip.
- 3-IN-ONE Combination. Compromise no more. Introducing the only combination sauna with true UL listed infrared heaters combined with a traditional heater that produces high heat steam. Get all the benefits of infrared combined with traditional rocks with steam all while soaking in the benefits of a medical grade Red light therapy LED panel.
- Built-in LCD touchscreen controller with Bluetooth audio.
- Audio with 6" HiFi marine grade speakers, 8mm tempered glass for the ultimate thermal retention.
- Extra large two-tier bench system
- Low EMF sauna tested by a NASA award winning testing facility.
- High Emissivity infrared heaters
Harvia KIP Series 4.5KW Sauna Heater
- Wall-mounted
- Stainless steel construction
- 4.5kW
- For sauna rooms from 100 to 210 cu. ft.
- Includes 50lbs of stones (1 box-AC3000)
- 240V/20Amp direct connection to stove (electrician required)
- Industrial grade, serviceable heating elements
- UL listed
- Direct rock-to-heating element contact
- Designed, engineered, and made in Finland
- Dimensions: 16"W (406mm) x 11"D (279mm) x 24"H (609mm)
- 2-Year Warranty (Consumer Use)
Specifications
Model | Fortress |
---|---|
External Materials | Thermo-Aspen |
Interior Materials | Western Canadian Cedar |
Volts | 240 |
IR Watts | 2700 |
Amperage | 15 | TBD |
Plug Type | 240V/15Amp NEMA 5-15P for Infrared System |
Maximum Temperature | IR 170° F | Traditional 190° F |
Interior Dimensions | 68.5"W x 45.5"D x 75"H |
Exterior Dimensions | 72"W x 48"D x 83"H |
Room Volume | 130 cu. ft. |
Door Dimensions | 23.625"W x 68.875"H |
Door Handle Dimensions | 1.5"W x 13.25"H |
Glass Thickness | 8mm W/Gasket |
Product Weight | 575 lbs |
Shipping Dimensions | 36"W x 80"D |
Shipping Weight | 654 lbs W/48 lb Pallet |
Fast & Free Shipping Nationwide
We offer free shipping on all orders within the continental U.S. through our network of warehouses in California, Illinois, Virginia, and beyond. Once you place your order, you’ll receive a confirmation email, and we’ll begin processing it right away.
For in-stock items, expect them to ship within 2-4 business days, and delivery typically takes an additional 3-7 business days. Smaller items ship quickly via standard carriers like UPS, FedEx, or USPS, while larger saunas are delivered via freight carriers with curbside service.
You’ll receive a tracking number once your order ships, and for larger deliveries, the carrier will contact you to schedule a convenient 4-hour delivery window. Upon arrival, please inspect your order before signing to ensure everything is in perfect condition.
We’re committed to making the shipping process smooth and worry-free so you can enjoy your new sauna without delay!
Easy DIY Assembly—No Expertise Needed!
This hybrid sauna features a smart, modular design with a tongue-and-groove system for simple assembly. With just a power screwdriver and two people, it can typically be assembled in an afternoon, or a maximum of one day. Every piece fits seamlessly for a sturdy, reliable build. Whether you’re a DIY enthusiast or a first-timer, you’ll enjoy a smooth assembly process and be relaxing in your new sauna in no time!
Note: If you prefer not to assemble it yourself, we recommend hiring a local handyman. Thanks to the simplicity of our sauna kits, any handyman team can easily complete the setup with no prior experience required.
Comprehensive Warranty for Peace of Mind
We stand behind the quality of every sauna we sell, offering a full manufacturer’s warranty to ensure lasting performance. If anything goes wrong during the warranty period, we’ll replace the defective part at no cost to you, including shipping. Labor costs aren’t covered, but no worries—our saunas are designed with easy-to-remove parts that pop in and out, so professional help isn’t required.
The warranty remains in effect for as long as you’re the owner of the sauna, giving you complete confidence in your purchase and peace of mind throughout your ownership.
Hybrid Sauna Health Benefits
Hybrid saunas combine the best of traditional and infrared saunas, offering a unique combination of heat therapies that provide a wide range of scientifically supported health benefits.
- Detoxification: The dual heat system increases sweat production, helping eliminate toxins like heavy metals and chemicals. Infrared heat penetrates deeper, enhancing detoxification by up to 20% more compared to traditional heat alone.
- Improved Cardiovascular Health: Regular use of hybrid saunas has been shown to lower blood pressure, improve circulation, and reduce the risk of heart disease. The combination of traditional and infrared heat offers a balanced approach for heart health.
- Pain Relief & Muscle Recovery: The infrared component helps reduce inflammation and accelerates muscle recovery, while the traditional heat provides immediate relaxation and relief. Clinical studies show that 70% of chronic pain sufferers experience relief with consistent use of infrared heat.
- Skin Health & Anti-Aging: Hybrid saunas stimulate collagen production and improve skin elasticity, with infrared heat enhancing hydration and reducing wrinkles by up to 26%. Traditional heat opens pores and removes impurities for clearer, healthier skin.
- Stress Relief & Better Sleep: The combination of traditional heat for immediate relaxation and infrared heat for deeper stress relief helps reduce cortisol levels, leading to improved sleep and mental clarity. 83% of users report better sleep after regular sessions.
These benefits make hybrid saunas a powerful and versatile tool for overall wellness, allowing you to enjoy the advantages of both traditional and infrared therapy in one system.
Understanding EMF in Infrared Saunas
What is EMF?
Electromagnetic fields (EMF) are invisible areas of energy, often associated with electrical power and devices like phones, computers, and household appliances. EMFs are categorized into two types: low-frequency and high-frequency. While high-frequency EMFs (such as x-rays) can be harmful with prolonged exposure, low-frequency EMFs (like those emitted from saunas and most electronics) are generally considered safe when kept within established guidelines.
Why Are EMFs Relevant for Saunas?
Because infrared and hybrid saunas use electricity to power infrared heaters and other components, some customers may be concerned about their exposure to EMFs during use. However, the good news is that our saunas are specifically designed to minimize EMF exposure, making them safe for everyday use.
Our Commitment to Safety
We understand that safety is a top priority for our customers, which is why all of our infrared and hybrid saunas are third-party tested and certified to meet or exceed the EPA’s guidelines for safe EMF exposure. The low-frequency EMF levels emitted by our saunas are well within the safe range, especially when compared to many of the electronic devices you’re likely already surrounded by daily, such as smartphones, laptops, and Wi-Fi routers.
EMF Levels in Perspective
To put things into perspective, the EMF levels produced by our saunas are significantly lower than those found in everyday household electronics. For example, the average laptop or smartphone can emit EMF levels several times higher than what you’ll experience during a sauna session in one of our units. Our commitment to low-EMF technology ensures you can enjoy all the health benefits of infrared and hybrid saunas without worry.
A Safe, Rejuvenating Experience
With our rigorously tested, low-EMF saunas, you can confidently enjoy the detoxifying, relaxing, and rejuvenating benefits of infrared heat, knowing that your exposure to EMFs is minimal and well below safety limits. Our saunas are designed not only for your wellness but also for your peace of mind.