Sun Home Eclipse 2 vs Peak Fuji: The Round-by-Round Verdict
What You're Actually Choosing Between
Two 2-person, full-spectrum infrared cabins in Canadian red cedar, both around five feet square, both app-connected, both sold direct. As of July 10, 2026 the Sun Home Eclipse 2 runs $9,999 on promotion ($10,599 list) and the Peak Saunas Fuji runs $8,450 — up from $7,250 this spring, so treat every price here as a snapshot. The spec-sheet differences that drive everything below: the Eclipse publishes 165°F against the Fuji's 150°F; the Eclipse mounts two 900W red-light towers (front and back, 360 LEDs total at 660nm and 850nm) where the Fuji mounts one 9"×36" front panel (216 LEDs, eight wavelengths from 630–1060nm); the Eclipse draws 2,820W on a 30A circuit against the Fuji's 2,050W on a 20A; and the two brands back their claims with very different amounts of paper.
Eight Rounds, Eight Winners
Round 1: Heat — Eclipse 2
Fifteen published degrees separate these cabins (165°F vs 150°F), and in infrared terms that's the gap between a warm session and one that flirts with traditional-sauna intensity. The bigger point is verification: Garage Gym Reviews has hands-on tested Sun Home's full-spectrum line and measured its temperature claims; we found no independent measurement of any Peak model. Peak's number may be perfectly accurate — its owners describe sweating plenty — but one of these figures has been checked by someone who doesn't sell the sauna, and one hasn't.
Round 2: Red Light — Eclipse 2, with real credit to Peak
Coverage decides this round. The Eclipse 2's dual-tower setup bathes your front and back simultaneously — 1,800W and 360 LEDs of factory-installed hardware, included standard. The Fuji's single front panel covers one side of you at a time. Where Peak genuinely outshines Sun Home is disclosure: it publishes eight wavelengths and irradiance at three distances (175/107/80 mW/cm² at 6"/12"/24"), the kind of dose data Sun Home doesn't put on its product page and should. One caution from Peak's own review section: multiple owners describe the panel shutting itself off every few minutes and needing a manual restart.
Round 3: Safety Paperwork — Eclipse 2, and it's the widest gap on the card
Sun Home publishes an EMF figure from a named laboratory (Vitatech Electromagnetics, January 2025, 0.5 mG at the seated position, fluxgate magnetometer) and a VOC report from an AIHA-accredited lab (VERT Environmental / LA Testing, EPA Method TO-15, April 2026, 27 µg/m³ — a "Low" classification). Peak's story changes depending on which of its own pages you read: the Fuji listing says "ultra-low EMF" with no number, Peak's 2026 buying guide claims verified low-EMF under 2 mG without naming a verifier, and its EMF-facts page cites a self-reported figure under 3 mG. No lab, date, or method appears anywhere, and no VOC testing is published at all. None of Peak's figures would be alarming if true — the problem is you can't check any of them, and they don't match each other.
Round 4: Warranty — Eclipse 2
Both brands say "lifetime." Sun Home's limited lifetime warranty sends a technician to your house with labor included. Peak's published terms define lifetime as the expected 7-year life of the component on heaters and cabinetry, exclude labor and technician fees, and give 3 years on controls and 1 year on the extras. Peak's real, praiseworthy offsets: lifetime U.S. product support for troubleshooting, and a 30-day in-home trial — with the fine print that refunds come minus return shipping, which on a 385-lb crate realistically means several hundred dollars out of pocket.
Round 5: Space & Comfort — Even
The Fuji is the widest 2-person cabin we've reviewed at 49 inches across (vs 42.8), and two adults feel that every session. The Eclipse answers with depth, removable benches that open the floor for stretching, and the round's sneaky-decisive number: 71.5 inches of interior height against the Fuji's 67 — most adults can stand in one and not the other. Total volume computes within about 2%, floor-level heat exists in both (the Fuji's foot-reflexology heater, the Eclipse's dedicated floor and calf heaters), so this is a wash that you break by body type: shoulder room, Fuji; headroom and flexibility, Eclipse.
Round 6: Setup & Electrical — Fuji
A dedicated 20A/120V circuit with a standard NEMA 5-20P plug is a modest electrician visit; the Eclipse's 30A circuit with a NEMA L5-30P locking receptacle is a bigger one. Peak's own buying guide prices dedicated-circuit work at $300–$800, and the Fuji's 385-lb build is also the easier carry downstairs. Fair framing for the loser of this round: the Eclipse's extra current isn't waste — it's feeding roughly 37% more heater wattage plus the 1,800W light system that won Rounds 1 and 2. You pay for those watts at the breaker panel.
Round 7: Price & Value — Fuji
$8,450 versus $9,999 is about $1,500 of daylight, and the Fuji spends its ticket well: included red light with best-in-class dose disclosure, a guided-content platform (Peak Wellness Club — note that Peak's product pages call it free for life while Peak's own club page describes a 60-day trial that bills afterward, so get the terms in writing), crated delivery, and the trial. If the decision is purely dollars-per-feature at checkout, Peak wins the round cleanly.
Round 8: Track Record — Eclipse 2
Sun Home's saunas have been reviewed hands-on under named national mastheads — Forbes' 2026 home-sauna guide, Garage Gym Reviews' model testing, Popular Science's Eclipse-line coverage, and a month-long Apartment Therapy review. For Peak we located no comparable outside review of any model as of July 2026; its trust signals are the reviews hosted on its own storefront (consistently positive, averaging 4.68/5 on the Fuji, but brand-hosted). Peak is young — its catalog is barely two model-years old — so this gap may narrow. Today it's a gap.
The Scorecard
| Round | Winner |
|---|---|
| Heat | Eclipse 2 |
| Red light | Eclipse 2 |
| Safety paperwork | Eclipse 2 |
| Warranty | Eclipse 2 |
| Space & comfort | Even |
| Setup & electrical | Fuji |
| Price & value | Fuji |
| Track record | Eclipse 2 |
| Final | Eclipse 2, five rounds to two (one even) — Eclipse 2: A−, Fuji: C+ |
Grades are our editorial judgment from published documentation and cited third-party testing, not lab work of our own. The rounds weight what you can't change after delivery (heat, light architecture, safety evidence, warranty) over what you settle once (wiring, price).
Straight Answers
Which is better, the Sun Home Eclipse 2 or the Peak Fuji?
The Eclipse 2, five rounds to two. It's the verified performer with the stronger paperwork and warranty; the Fuji is the value buy with the easier install and the wider seat. Grades: A− and C+.
How much hotter does the Eclipse 2 get than the Peak Fuji?
Fifteen published degrees — 165°F vs 150°F — with the added distinction that Sun Home's full-spectrum line carries independent hands-on temperature testing from Garage Gym Reviews and the Fuji's figure is manufacturer-stated only, as of July 2026.
Is the Peak Fuji bigger inside than the Eclipse 2?
Wider, yes: 49" across vs 42.8". But the Eclipse is deeper and 4.5" taller inside, and at 71.5" most adults can stand in it — they can't in the Fuji's 67". Volume is within about 2%, which is why we scored the round even.
Does the Peak Fuji's 30-day trial make it the safer purchase?
Partly. It's real, and the Eclipse has no equivalent — but Peak's FAQ states refunds are issued minus return shipping, and freight on a 385-lb crate realistically runs several hundred dollars. A useful safety net, not a free one.
What does each sauna cost to install?
Fuji: dedicated 120V/20A circuit, standard plug — the smaller job. Eclipse 2: dedicated 120V/30A with a locking receptacle. Peak's own guide budgets $300–$800 for dedicated-circuit work; the Eclipse trends toward the top of that or past it. The trade: the Eclipse's circuit feeds ~37% more wattage.
Which sauna should I buy at a lower budget?
The Fuji. At $8,450 with red light and dose data included, it's a defensible purchase on its own merits — just go in with clear eyes on the unverified performance claims, the 7-year warranty definition, and the return-freight math.
Where These Facts Come From
- Sun Home Eclipse 2 product page — price, specs, heater and red-light configuration, warranty (checked July 10, 2026)
- Peak Fuji product page — price, specs, panel data, warranty terms, owner reviews (July 10, 2026)
- Peak Saunas FAQ — trial refund issued minus return shipping (July 10, 2026)
- Peak 2026 buying guide — "verified under 2 mG" claim; $300–$800 dedicated-circuit estimate (July 10, 2026)
- Peak EMF-facts page — self-reported sub-3 mG figure (July 10, 2026)
- Peak Wellness Club page — 60-day trial terms (July 10, 2026)
- Garage Gym Reviews — Sun Home model testing (July 10, 2026)
- Forbes — Best Home Saunas of 2026 (July 10, 2026)
- Popular Science — Eclipse coverage (July 10, 2026)
- Apartment Therapy — hands-on Sun Home review (July 10, 2026)
- Sun Home VOC testing report — VERT Environmental / LA Testing methodology (July 10, 2026)