Sun Home Solstice Review (18 Months of Use)

I paid $4,500 of my own money for the Sun Home Solstice in November 2024. As of this writing, it lives in my garage in Colorado, and I've logged 312 sessions in it over 18 months. This is what I know.

I'm not going to bury the verdict: it's the sauna I'd buy again. But that's only because I use it 4–5 times a week and I have the space and the budget. If you're going to use a sauna twice a week and you don't already have a 240V circuit run, you're going to regret the spend. There's a real "minimum effective use case" question that most Sun Home reviews skip.

Let me show you what the unit actually does, what the numbers look like, what's broken and what hasn't, and how it stacks up against the competition.

Verdict Box

You'll use it 3+ times per week, every week
You want full-spectrum infrared (FIR + MIR + NIR), not far-infrared only
You care about low EMF and verifiable third-party measurements
You have 110V access and don't want a 240V install headache
You want a sauna that'll last 15+ years without major service

You'll use it less than twice a week — get a Higher Dose blanket for $700 instead
You want true Finnish-style traditional heat (80°C+, humid löyly) — get an electric barrel
You're below the $4K budget — the Higher Dose v4 cabin at $2,400 is 80% of the sauna for half the price
You want a 4-person social sauna — the Solstice is genuinely a 1–2 person unit; look at the Sun Home Equinox

What This Review Covers

Specific model: Sun Home Solstice 1–2 person infrared cabin
Time owned: 18 months (purchased November 2024)
Sessions logged: 312 (I log them in a Notion database; methodology is unscientific but consistent)
Price paid: $4,500 (retail, no discount code, no comp)
Location: detached garage in Colorado, semi-conditioned, 50–80°F ambient most of the year
Use case: post-workout recovery (most sessions), pre-bed wind-down (some), social with my wife (occasional)

I bought this with my own money. Sun Home didn't send it, didn't comp it, and didn't know I was reviewing it until I emailed them in month 11 with a heater question.

The TL;DR Data Table

Metric	Measured Value
Time to reach 60°C from cold start	18–22 minutes
Time to reach max (~65°C)	32–38 minutes
Peak air temperature reached	65°C (149°F) confirmed with two thermometers
Power draw (running, all heaters on)	1,680W at the panel, measured via Kill-A-Watt
Energy cost per 45-min session	$0.28 average at $0.18/kWh
EMF at body distance (Trifield TF2)	0.8–2.4 mG
EMF at panel surface	4–7 mG
Sessions logged in 18 months	312
Issues / service required	1 (Bluetooth board replaced under warranty, month 9)
Would I buy again	Yes

The First-Party Experience

Setup and Installation

The Solstice arrived in six boxes on a freight pallet. Total shipping weight: 386 lbs. The delivery driver dropped it at my driveway and left — Sun Home does not do white-glove unless you pay extra. I'd recommend coordinating with the driver in advance and having a second person there for the unload.

Assembly took me one Saturday (about 6 hours) with my wife helping for the heavier panels. The cabin is essentially eight major panels (floor, ceiling, four walls, bench, door) that latch together with a buckle system. No tools required for the panels themselves. The chromotherapy light bar and Bluetooth speaker module each take about 15 minutes to install.

The hardest part was lifting the ceiling panel into place — it weighs maybe 45 lbs and requires holding it overhead while someone latches it from the inside. Two-person job, not negotiable.

A note on the floor: the unit ships with a cedar floor panel that sits inside the cabinet. If you're putting this on concrete (like I did), the floor panel is fine as-is. If you're putting it on a finished hardwood floor, the manufacturer recommends a rubber mat underneath. I'd add that anyway just for sweat-drip protection.

First Month

The first thing I noticed: it heats slower than I expected. Sun Home's marketing implies the unit is "ready in 15 minutes." That is technically true if you call 50°C ready, but if you want 60–65°C, you're looking at 30–35 minutes. I started preheating 25 minutes before I wanted to use it.

The first month, I tried to push too hard too fast. I'd been doing infrared blanket sessions at maybe 70°C surface temperature, and I assumed a cabin would feel similar at the same air temperature. It does not. Radiant heat from panels surrounding you on three sides is meaningfully more intense than a blanket. My first 45-minute session at max heat left me a little sick that night — classic mild heat-stress overreach.

I dialed back to 35 minutes for the first two weeks, then ramped up gradually. By month two I was doing 45-minute sessions at max heat with no issue.

Daily/Regular Use

Eighteen months in, the routine is dead simple. I open the Sun Home app on my phone about 30 minutes before I want to sauna. The cabin preheats while I'm doing other things. I walk out to the garage with a water bottle, a small towel, and my phone (more on phones in heat below), close the door, and that's basically it.

My typical session:

0–10 min: regulating breath, scrolling stupid stuff on my phone
10–25 min: stretching, mobility work, occasional meditation
25–45 min: heart rate climbing, sweat heavy, in the zone

I usually pair the session with a cold plunge directly after (3 minutes at 48°F in my chest-freezer setup). The full sauna + plunge protocol is in my sauna and cold plunge contrast guide.

Phone-in-sauna note: my iPhone 16 Pro handles 65°C ambient for about 35 minutes before it throws a temperature warning. I now keep it in a small insulated pouch I bought for $12 on Amazon. No issues since.

After 18 Months

The cabin still looks 90% new. Hemlock interior has darkened slightly with sweat exposure but isn't stained — I wipe down the bench after every session with a microfiber towel, no soap. The chromotherapy lights all still work. The door seal is still tight. The Bluetooth speaker board failed at month 9 (more below) and was replaced under warranty in two weeks.

The heater panels show no degradation in output that I can measure. Time-to-temperature is within 2 minutes of where it was at month one.

One thing I underestimated: cedar maintenance. Sun Home says you don't need to treat the wood. Technically true, but at month 14, I rubbed in a coat of Auson sauna oil (food-grade) on the bench and floor, and it visibly improved the look and made cleanup easier. I'll repeat annually.

Performance: The Measurable Stuff

Heat-Up Time

I tested heat-up time three times across the year, with consistent results:

Target temp	Time from cold start (50°F ambient)
50°C (122°F)	12–14 min
60°C (140°F)	18–22 min
65°C (max, ~149°F)	32–38 min

These numbers are with my garage at 50°F ambient. In summer when the garage is closer to 75°F, heat-up is 20–25% faster.

Heat Retention

Once at temperature, the cabin holds heat well. With the door closed and heaters cycling, ambient stays within 2°C of setpoint. Open the door for 15 seconds (to grab my water bottle), and it takes maybe 3 minutes to recover.

Power Consumption

Measured with a Kill-A-Watt P4400 in line on the 120V circuit:

Peak draw (all heaters on): 1,680W
Average draw during steady-state: 1,200–1,400W (heaters cycling)
Total per 45-minute session (including preheat): 1.4–1.7 kWh

At my $0.18/kWh electricity rate, that's $0.25–0.30 per session. Annualized at 4×/week: about $55/year. Cheaper than my coffee habit.

EMF Readings

This is where Sun Home earns part of its premium pricing, and I wanted to verify their claims. I bought a Trifield TF2 meter ($175) and measured magnetic field strength at three positions:

At the panel surface (back wall): 4–7 mG
At seated body distance (~6 inches from back panel): 0.8–2.4 mG
At head/upper body distance: 0.6–1.5 mG

For context: a running refrigerator reads about 2 mG at 1 foot away. A microwave oven in use reads 80–200 mG at 1 foot. My laptop reads 4–10 mG at the wrist when I'm typing.

Sun Home publishes third-party EMF testing claiming under 3 mG at body distance. My measurements are consistent with that claim. If EMF is a non-trivial concern for you, this matters — cheap infrared cabins from no-name brands often measure 30–80 mG at body distance.

Sound Quality (Built-In Bluetooth Speakers — Honest Take)

The built-in speakers are fine. Not great. They sound like decent shower speakers — adequate for podcasts and acceptable for music if you're not picky. The Bluetooth pairing is reliable and reconnects automatically after the first pairing.

The Bluetooth speaker control board failed at month 9 — speakers would only play out of one side. Sun Home's warranty support was responsive (replied within 24 hours), and they shipped a replacement board in eight days. I installed it in 20 minutes with a Phillips screwdriver.

If audio quality matters to you, just bring a portable Bluetooth speaker. The built-ins won't blow you away.

Chromotherapy Lighting

Sun Home includes a multicolor LED bar with chromotherapy presets — red, orange, yellow, green, blue, indigo, violet, plus an off-white "regular light" mode. Controlled via the app or a button on the side panel.

My honest take: at $4,500, chromotherapy is a perfectly fine bonus feature. At $1,500, it would feel gimmicky. The colors create real mood differences during a session — red feels grounding, blue feels cooling, indigo feels like sleeping in a tide pool.

Is it doing anything to my health? Almost certainly not. The "chromotherapy" research that's cited is overwhelmingly weak. But I'd be lying if I said it didn't make the experience better.

What I Love

Build quality lives up to the price. Hemlock panels are tight, no gaps. Hinges are solid. Bench doesn't creak after 312 sessions.
Low EMF is verified, not just marketed. My Trifield measurements match Sun Home's published numbers.
Full-spectrum panels. I can feel a different quality of heat in the front near-infrared panel versus the back far-infrared panels. Whether NIR is doing something for my mitochondria is a question I can't answer, but I appreciate having all three wavelengths.
App is good, not great, but good. Preheat scheduling actually works. Connection drops happen maybe 1 in 30 sessions.
Door seal is excellent. No noticeable heat leak even at max temp.
The 5-year electrical warranty. Sun Home backs the heater panels for 5 years and the wood for lifetime. The 9-month Bluetooth failure was handled well.
Footprint is honest. It's a 1–2 person sauna and they advertise it as such. The interior bench fits me (6'1") comfortably. Two people fit but it's intimate.

What I Don't Love

The 30+ minute preheat time. Marketing says 15. Reality is 30 if you want real heat. Pre-scheduling via the app mostly fixes this, but pre-app schedulers will be annoyed.
No floor heater. Floor stays around 35°C during a session. You can feel a cool zone at your feet, especially on a cold concrete pad.
The chromotherapy and Bluetooth feel like price-justifiers. They work, but I'd rather have $300 off the price and bring my own speaker.
Door handle is plastic. Everything else feels premium. The interior door handle feels like it belongs on a $300 unit.
Power cord is short. ~6 feet. You'll likely need an outlet within 5 feet of where the cabin lives, or you'll be using a heavy-duty extension (not ideal at 1,680W).
No timer on the heaters directly — app or button only. If the app glitches and the button is on the outside of the cabin, you have to step out to change settings mid-session.
Hemlock benches absorb sweat over time despite wipe-downs. They aren't stained, but the color does deepen. Treat with sauna oil annually.

Sun Home vs Alternatives

vs Higher Dose Infrared Sauna v4 Cabin ($2,400)

The Higher Dose v4 is the obvious price competitor. I've spent meaningful time in a friend's unit.

Build quality: Sun Home wins by a meaningful margin. The Higher Dose feels more like flat-packed furniture.
EMF: Both publish third-party testing. Higher Dose v4 measures slightly higher (3–5 mG at body distance per their own data; I haven't independently verified).
Full-spectrum: Both have it.
Heat depth: Sun Home reaches 65°C more easily and holds it better. Higher Dose tops out around 60°C in my friend's setup.
Value: Higher Dose v4 is 53% of the price for ~80% of the sauna. Genuinely good value.

Verdict: If you have $2,400 and not $4,500, the Higher Dose v4 is the right answer. If you have $4,500, Sun Home is the better long-term buy.

vs Clearlight Sanctuary 1 ($5,500)

Clearlight (now Jacuzzi-owned) is the closest direct premium competitor.

Build: Comparable. Clearlight uses basswood; Sun Home uses hemlock. Personal preference.
EMF: Clearlight's "Sanctuary" line is the gold standard for ultra-low EMF; they publish near-zero (under 1 mG) numbers at body distance. Sun Home is excellent but slightly higher.
Heaters: Clearlight uses True Wave heaters with carbon-ceramic blend; Sun Home uses similar tech. I can't feel a meaningful difference.
Warranty: Clearlight wins — lifetime on heaters vs Sun Home's 5-year electrical.
Price: Clearlight is $1,000 more for the comparable 1-person model.

Verdict: If EMF is your top priority or you want the strongest warranty, Clearlight. Otherwise, Sun Home is the better value.

vs Sunlighten Amplify ($5,500)

Sunlighten is the legacy luxury brand. I've used a friend's mPulse for a few sessions.

Build: Comparable to Sun Home, maybe slightly nicer finish on visible edges.
Heaters: Sunlighten's SoloCarbon panels are well-engineered; subjectively comparable to Sun Home's.
Software: Sunlighten's tablet interface is dated; Sun Home's app feels more modern.
Customer service: Both companies have good reputations; I haven't dealt with Sunlighten directly.

Verdict: Sun Home offers comparable performance at $1,000 less. Sunlighten's brand premium isn't worth $1,000 to me.

vs DIY Infrared Room

People sometimes ask if you can build your own infrared room from individual panels. Yes, you can. Plan to spend $1,500–2,500 on panels (Heat Therapy, Infrared Oasis), $400–800 on framing and cedar paneling, and a weekend or three on construction.

Result: probably 80% of the experience at 50–60% of the price, with no warranty and no third-party EMF certification. If you're handy and willing to live with the unknowns, viable. If you'd rather just have a sauna delivered, get the Sun Home.

Should You Buy?

The honest decision tree:

You're committed to 3+ sessions per week, year-round
You want a sauna that'll be working in 2040
You can verify 110V access where it'll live (15A circuit minimum)
$4,500 isn't going to keep you up at night
You've ruled out traditional Finnish sauna (or you already have one and want infrared as a daily-driver)

Your usage will be < 2 sessions per week — get a Higher Dose blanket
You want true 80°C+ humid heat — get an Almost Heaven barrel sauna
You're shopping under $3,000 — get the Higher Dose v4 cabin
EMF is a non-negotiable top priority — get a Clearlight Sanctuary
You want a 4+ person social unit — get the Sun Home Equinox (3-person) or Sunlighten Signature III

FAQ

Technically yes, practically only if you're close. I'm 6'1" and the bench depth is comfortable for me solo. With my wife (5'7"), it's a hip-to-hip fit. If you want true 2-person comfort, look at the Sun Home Equinox (3-person rating).

Yes. 110V, 15A circuit. Power draw is 1,680W peak, so you want a dedicated outlet — don't plug a space heater or anything else into the same circuit.

30–35 minutes to reach 60°C+ from a 50°F cold start. Faster in warmer ambient conditions. The app's preheat scheduler is your friend.

Lifetime on the wood, 5 years on the heating elements, 1 year on the controls and Bluetooth. They honored my warranty claim quickly when the Bluetooth board failed at month 9.

Yes. 6-hour build for two people. No tools required for the major panels. Bring a friend for the ceiling.

No. Roughly $0.25–0.35 per 45-minute session. Annual cost at 4 sessions/week: about $55. Less than your streaming subscriptions.

It's a perk, not a feature. It makes the experience more pleasant. It's not doing anything to your biology that I'm aware of.

Sun Home is better-built and reaches higher temperatures more reliably. Higher Dose is meaningfully cheaper. If you have the budget, Sun Home. If you don't, Higher Dose v4 is the right call.

For infrared, yes — 65°C is at the upper end of full-spectrum infrared. If you want 80°C+, you want a traditional Finnish sauna, not an infrared cabin.

One thing: the Bluetooth speaker control board at month 9. Warranty replacement, fixed in 20 minutes. Nothing else.

Photo Placeholders

HERO: Sun Home Solstice in garage, door open, chromotherapy in blue mode
IMG 2: Close-up of full-spectrum heater panel (corner detail showing FIR/NIR emitters)
IMG 3: Trifield TF2 EMF meter reading 1.4 mG at body distance during a session
IMG 4: Kill-A-Watt meter showing 1,680W peak draw
IMG 5: Interior shot of bench, showing 18-month hemlock patina
IMG 6: App screenshot showing preheat scheduler and temperature graph
IMG 7: Author's session log spreadsheet showing 312 sessions
IMG 8: Side-by-side comparison shot — Sun Home interior vs Higher Dose v4 cabin interior
IMG 9: Outside of cabin showing build quality on door hinge and seal
IMG 10: Author post-session walking from sauna to cold plunge (contrast protocol shot)

Author Bio

Trevor Kaak is the founder of RecoveryStack. He's spent four years and roughly $35,000 of his own money testing recovery gear — saunas, cold plunges, wearables, and supplements. He owns a Sun Home Solstice infrared sauna, a Higher Dose Infrared Blanket, a converted-chest-freezer cold plunge, an Oura Ring 4, and a Whoop 5.0. He logs every session in a spreadsheet that's gotten embarrassingly large. Trevor lives in Colorado.