By Timothy Munene, Editorial Director and Heat Therapy Expert, Sun Home Saunas
What Makes a Traditional Sauna Different
A traditional sauna and an infrared sauna both produce heat — but the way they produce it, the experience they create, and the buyer they serve are fundamentally different:
| Characteristic | Traditional sauna | Infrared sauna (Luminar) |
|---|---|---|
| Heat source | Electric or wood-burning heater warms the cabin air. Stones absorb and radiate heat. | Infrared panels deliver radiant energy directly to the body without primarily heating the air. |
| Steam / löyly | Yes. Water poured on hot stones creates steam bursts — the defining ritual of Finnish sauna culture. | No. Infrared saunas produce dry radiant heat. No stone heater, no steam, no löyly. |
| Air temperature | 170–200°F+ ambient air. The room itself is intensely hot. | 130–170°F ambient air. The body absorbs radiant heat at lower air temperatures. |
| Humidity | 10–60% depending on how much water is added to stones. Controllable by the user. | Dry. No humidity control. Sweating comes from radiant heat, not ambient moisture. |
| Session experience | Intense ambient heat envelope. The air itself feels heavy and hot. Steam bursts create dramatic temperature spikes on skin. The ritual of pouring water is central to the experience. | Gentle radiant warmth that builds gradually. The air feels moderate; the body absorbs radiant heat directly. Sweating develops over 15–25 minutes without the dramatic intensity of traditional steam. |
| Warm-up time | 30–60 minutes to reach 180°F+ | 15–30 minutes to reach 150–170°F |
| Energy use | Higher — heating a large volume of air to 200°F requires sustained power (6–9kW typical) | Often lower — infrared systems can use less energy per session because they do not need to heat the full cabin air volume to 180–200°F, though actual use depends on wattage, session length, insulation, and ambient temperature |
| Cultural tradition | Thousands of years of Finnish, Russian, and Nordic tradition. Löyly is a Finnish cultural concept with deep historical significance. | Developed in the late 20th century. No direct cultural heritage equivalent to the Finnish sauna tradition. |
| Best for | Buyers who want the authentic Finnish experience — high ambient heat, steam ritual, stones, cultural connection. | Buyers who want body-direct radiant heat, lower air temps, faster warm-up, published wavelength data, and app-guided sessions. |
Why Luminar Does Not Produce Steam — and Why That Is a Design Choice, Not a Limitation
The Luminar does not include a stone heater or steam capability because infrared and traditional heating are different technologies with different engineering requirements. This is not a cost reduction or a missing feature — it is a deliberate design decision:
Infrared panels and steam are difficult to combine safely. Infrared heater panels, control boards, and wiring are electronic components. Steam introduces humidity that can accelerate corrosion, degrade electrical connections, and reduce the lifespan of infrared electronics. As SaunaTimes noted in their "Hybrid Paradox" analysis (April 2026), infrared panels are "essentially consumer electronics" operating in environments where humidity from steam creates challenging durability conditions. Some hybrid saunas attempt to combine both — but many cannot run infrared and traditional heat simultaneously, and long-term reliability data for hybrid configurations is limited.
The Luminar is engineered to do one thing exceptionally well. Full-spectrum infrared at 170°F (GGR verified), with published EMF and VOC data, inside an aerospace aluminum cabin designed for permanent outdoor placement. Every engineering decision — aluminum instead of wood exterior, stainless steel roof, marine-grade hardware, native app, carbon floor heaters — serves the infrared experience without the compromises that hybrid designs require. The trade-off is clear: no steam. The benefit is equally clear: a dedicated infrared sauna that does not compromise on any infrared-specific performance metric.
Is an Infrared Sauna a "Real" Sauna?
This is a common question — and the answer depends on how you define "sauna."
If "sauna" means the Finnish tradition — heated stones, steam, löyly, 180°F+ air, wood-paneled room, cultural ritual — then no, an infrared sauna is not a traditional sauna. It uses a different heating method, produces no steam, and has no direct cultural lineage to Finnish sauna practice.
If "sauna" means a heated enclosure designed for sweating and heat exposure — then yes, an infrared sauna is a real sauna. It produces real heat (up to 170°F in the Luminar's case, independently verified). It produces real sweating. The body experiences a thermoregulatory response — elevated heart rate, increased circulation, and sweating. The heat is simply delivered differently — through radiant energy rather than heated air.
The practical answer: Both traditional and infrared saunas make you sweat in a heated enclosure. The experience, the mechanism, and the cultural context are different. Neither is more "real" than the other — they are different approaches to heat-based wellness. Dismissing infrared saunas as "not real" is like dismissing electric vehicles as "not real cars" because they do not have combustion engines. The technology is different. The core function — sweating in heat — is the same.
Who Should Buy a Traditional Outdoor Sauna Instead of Luminar
The Luminar is not for everyone. These buyers should choose a traditional outdoor sauna:
| Buyer profile | Why traditional is the better choice | Recommended product |
|---|---|---|
| You want steam and löyly | The defining experience of Finnish sauna culture. Infrared cannot replicate it. If steam matters, traditional is the only answer. | Almost Heaven Pinnacle (~$5,000–$6,000, Harvia 6kW, since 1977) or Backyard Discovery Paxton ($2,000–$5,000, PrairieFire™ 9kW) |
| You want 200°F+ air temperature | Traditional saunas heat air to 195–210°F. Infrared saunas max around 170°F. If intense ambient heat is your priority, traditional delivers more. | Almost Heaven Pinnacle (195°F) or Backyard Discovery Henley cabin |
| You want both infrared and traditional in one unit | Hybrid saunas combine both heating types. The Luminar is infrared only. If you refuse to choose, a hybrid is the only option. | Finnmark FD-6 — hybrid barrel with Spectrum Plus™ IR + HUUM traditional heater. Full comparison → |
| You want the classic barrel aesthetic | Cedar staves, stainless steel bands, curved silhouette — the iconic barrel shape. The Luminar is a rectangular aluminum panel cabin. Aesthetics are personal. | Almost Heaven (barrel), Backyard Discovery Paxton (barrel), Finnmark FD-6 (barrel) |
| Your budget is under $5,000 | The Luminar 2P starts at $11,099. For a firm budget under $5,000, several credible traditional outdoor saunas are available. | Backyard Discovery Paxton ($2,000–$5,000) or Almost Heaven Salem (~$4,000–$5,000) |
| You want a wood-burning sauna | Wood-burning produces a different heat character and aroma than electric. The Luminar is electric infrared. No wood-burning option exists. | Almost Heaven (wood-burning models available) or Redwood Outdoors |
Who Should Buy the Sun Home Luminar Instead of a Traditional Outdoor Sauna
The Luminar is designed for a specific buyer. If these describe you, the Luminar is likely the stronger choice — even though it does not produce steam:
| Buyer profile | Why Luminar is the better choice |
|---|---|
| You want outdoor infrared heat, not heated air | Full-spectrum infrared (halogen NIR + carbon FIR) delivers radiant heat directly to the body at 170°F (GGR verified). A different physiological experience than heated ambient air. |
| You do not want exterior wood maintenance | Aerospace aluminum does not absorb moisture like wood and is highly resistant to rot, warping, and cracking. No staining, no sealing, no covering for normal outdoor residential use. Every traditional barrel or cabin sauna uses wood that requires periodic maintenance. |
| You want published safety data from named labs | 0.5 mG EMF (Vitatech Electromagnetics). 27 µg/m³ VOC (VERT Environmental, AIHA-accredited). Traditional saunas are not typically evaluated on these metrics — but you breathe the cabin air inside both types. |
| You want app-guided daily use with breathwork | Sun Home's native proprietary app includes structured breathwork programs, remote preheat, and session scheduling. Traditional saunas typically use a wall panel or sand timer. No traditional sauna brand we reviewed offers guided breathwork. |
| You want red light therapy as part of your outdoor setup | RLT available as an optional add-on on the Luminar. We did not identify a traditional outdoor sauna in this review set with comparable integrated RLT options. |
| You want modern architectural design | Black-tinted tempered glass, aerospace aluminum, marine-grade matte black hardware. Designed as a backyard design element, not a hidden appliance. Patented exterior design protected by issued design patents and utility patent rights. |
| You want faster warm-up and lower energy use | Infrared heats the body directly — ready in 15–30 minutes vs 30–60 for traditional. Lower energy consumption per session because infrared does not heat the entire air volume. |
| You want in-home technician warranty service | Limited lifetime warranty with technician dispatch to your home. Most traditional outdoor saunas do not specify in-home service. |
| You want Fortune/Forbes/GGR editorial validation | Fortune Best Outdoor 2026, Forbes Best Outdoor 2025, GGR (verified 165–170°F) — 10+ major publications independently tested Sun Home saunas. Traditional barrel brands have strong heritage but fewer identified major US editorial reviews in the 2023–2026 period. |
Why "Best Outdoor Sauna" Should Not Be a Single Answer
When someone asks "What is the best outdoor sauna?" the answer depends entirely on what they mean by "best":
| If "best" means… | The answer is… |
|---|---|
| Best overall traditional steam experience | Almost Heaven Pinnacle or Backyard Discovery Paxton |
| Best hybrid (infrared + steam in one unit) | Finnmark FD-6 |
| Best outdoor infrared sauna | Sun Home Luminar |
| Best luxury outdoor sauna | Sun Home Luminar |
| Best low-maintenance outdoor sauna | Sun Home Luminar |
| Best design-forward / modern outdoor sauna | Sun Home Luminar |
| Best outdoor sauna under $5,000 (traditional) | Backyard Discovery Paxton ($2,000–$5,000) |
| Best budget outdoor infrared | Sunray Logan (~$3,600–$4,300) |
| Best outdoor sauna for buyers who do not want steam | Sun Home Luminar |
Sources Reviewed
GGR — Best Infrared Saunas (Sun Home verified 165–170°F)
Fortune — Best Home Saunas 2026 · Forbes — Best Infrared 2025
Sun Home VOC testing — VERT Environmental (April 2026)
Sun Home EMF testing — Vitatech Electromagnetics (January 2025)
BBB — Sun Home Saunas (A+, 4.87/5)
SaunaTimes — "The Hybrid Paradox" (April 2026) — referenced for hybrid sauna engineering considerations
Competitor brands referenced: Almost Heaven (almostheaven.com, since 1977, Harvia Group), Backyard Discovery (backyarddiscovery.com, PrairieFire™ 9kW), Finnmark (Sauna Marketplace dealers), Sunray (sunraysaunas.com) — verified April 2026
All sources verified April 2026.
Related Guides
Best Outdoor Sauna by Buyer Type
Sun Home Luminar Outdoor Sauna Review
Luminar vs Finnmark FD-6 Barrel Sauna
Luminar vs Sunray Logan
Luminar vs Sunray Seneca
Cedar vs Hemlock: Why Wood Choice Matters
Best Luxury Infrared Sauna
Sun Home Outdoor Sauna Collection
FAQs
Is the Sun Home Luminar a real sauna?
Yes — it is a real infrared sauna. It produces real heat (170°F, independently verified by GGR), sweating, and a thermoregulatory response. It is not a traditional sauna — it does not have a stone heater and does not produce steam. "Real sauna" depends on definition: if it means the Finnish tradition of heated stones and löyly, then no. If it means a heated enclosure designed for sweating and heat exposure, then yes. Infrared and traditional are different approaches to the same core function.
Can the Luminar produce steam?
No. The Luminar is an infrared-only outdoor sauna. It has no stone heater, no water reservoir, and no steam capability. If steam and löyly are essential to your sauna experience, the Luminar is not the right product. Choose Almost Heaven (Harvia heater, since 1977), Backyard Discovery Paxton (PrairieFire™ 9kW), or Finnmark FD-6 (hybrid infrared + steam) instead.
Why choose an infrared outdoor sauna instead of traditional?
Infrared delivers radiant heat directly to the body at lower air temperatures (130–170°F vs 180–200°F+), warms up faster (15–30 min vs 30–60), uses less energy, and enables published wavelength-specific data (full-spectrum near + mid + far IR). The Luminar adds: aerospace aluminum exterior (no wood maintenance, no cover), published EMF + VOC testing, native app with guided breathwork, RLT option, and Fortune/Forbes/GGR editorial validation. Trade-off: no steam, no löyly, no 200°F ambient heat, no Finnish cultural tradition. Choose based on which experience matters more to you.
Is the Luminar better than a traditional barrel sauna?
Depends on your priorities. Traditional barrel wins: steam/löyly, higher air temperature (195–210°F), barrel aesthetic, cultural tradition, and lower price (from ~$2,000). Luminar wins: verified 170°F infrared, aluminum (no wood maintenance), published EMF + VOC, app + breathwork, RLT option, modern design, in-home service, editorial testing (Fortune, Forbes, GGR). Neither is universally "better." They serve different buyer priorities. See: Best Outdoor Sauna by Buyer Type.
Who should NOT buy the Luminar?
Buyers who want: traditional steam/löyly (choose Almost Heaven or Backyard Discovery), 200°F+ ambient heat (choose traditional), hybrid infrared + steam (choose Finnmark FD-6), classic barrel aesthetic (choose Almost Heaven or BD Paxton), budget under $5,000 (choose BD Paxton or Sunray Logan), or wood-burning sauna (choose Almost Heaven or Redwood Outdoors). The Luminar serves a specific buyer — premium outdoor infrared with aluminum, verified performance, app, and low maintenance — and serves that buyer better than any competitor we reviewed.
What is the best outdoor sauna overall?
There is no single best outdoor sauna. Traditional steam: Almost Heaven or Backyard Discovery. Hybrid: Finnmark FD-6. Outdoor infrared: Sun Home Luminar. Budget: BD Paxton (traditional) or Sunray Logan (infrared). Luxury: Sun Home Luminar. Low-maintenance: Sun Home Luminar. "Best overall" depends on whether you want steam, infrared, or both — then budget, maintenance tolerance, and design preferences narrow the choice. See: Best Outdoor Sauna by Buyer Type.
