SaunaBox vs Sweatbox · Solara vs The Sweat Box

You want a real hemlock sauna at home. The Solara takes half the floor space.

Both are 110V hemlock infrared saunas with red light. The Solara is , heats up to 158°F, has a full glass door and a 2-Year warranty, and fits in a 35" x 37" footprint.

  • Heats up to 158°F
  • 660nm + 850nm red light
  • 2-Year warranty

Free curbside delivery · Tool-free setup in under 30 minutes · HSA/FSA may be eligible through TrueMed

SaunaBox Solara infrared sauna next to a Sweat Box infrared sauna in a bright room

The short answer

For most homes, the Solara is the better buy. It costs £4,195 less than the Sweat Box Original's $4,195 list price, heats higher than the Original (158°F vs 150°F), comes with twice the warranty, and needs about half the floor space. The Sweat Box is the pick if you want 180°F heat or room to stretch your legs out.

Solara: 35" x 37" of floorSweat Box: 60" x 42" of floorGlass door: included on the Solara

Tested and certified

What the Solara is certified for

FDA-registered

Red light made in an FDA-registered facility. The Solara's medical-grade 660nm + 850nm red light is produced to strict manufacturing standards.

Intertek

Ultra-low EMF, certified by Intertek. The Solara's infrared panels are certified ultra-low EMF under the IEC 62233 standard by Intertek, a globally accredited third-party lab.

Prop 65

Certified free of toxic heavy metals and phthalates. Independently tested by Intertek and certified compliant with California Prop 65.

Why the Solara

Three numbers that settle it

£4,195

less than the Sweat Box Original's $4,195 list price. The Solara is .

158°F

Solara max heat. The comparable Sweat Box Original lists 150°F.

2-Year

Solara warranty. Sweat Box lists 1 year on factory defects.

Side by side

Two hemlock infrared saunas. Very different footprints.

660 + 850nm panel built in
SaunaBox Solara
SaunaBox

SaunaBox Solara

  • Heats up to 158°F with near, mid and far infrared
  • Medical-grade 660nm + 850nm red light panel, full glass door
  • 35" x 37" x 63", 2-Year warranty
110V outlet No tools Ultra low EMF HSA / FSA
Shop the Solara
The Sweat Box (Indoor)
Sweat Box

The Sweat Box (Indoor)

$4,195 list
  • 5 infrared panels + 4 incandescent red light bulbs, 150°F max (180°F High Heat, +$400)
  • 60" L x 42" W x 50" H, 242 lb, unfinished hemlock
  • 1-year warranty. Windowed door is a $550 add-on
242 lb 1,400W (1,500W High Heat) About 45 min assembly
Compare the specs

The numbers

Solara vs Sweat Box, spec by spec

SpecSaunaBox SolaraThe Sweat Box (Indoor)
Price$4,195 list (Original, 150°F) or $4,595 list (High Heat, 180°F).
Max temperatureUp to 158°F (adjustable 77-158°F)150°F Original. 180°F with the High Heat upgrade
InfraredNear, mid and far infrared, ultra-low EMF panels5 x 200W low-EMF infrared panels plus incandescent bulbs (near, mid and far claimed)
Red lightMedical-grade 660nm + 850nm panel, 60 LEDs, up to 192 mW/cm²4 x 100W incandescent red light bulbs (4 x 150W on High Heat). Irradiance not published
Size35" W x 37" D x 63" H60" L x 42" W x 50" H
Floor spaceAbout 9 sq ftAbout 17.5 sq ft
Weight172 lb242 lb
Power110V, 1600W110-120V, 1,400W (1,500W High Heat)
Wood100% Canadian HemlockUnfinished hemlock
DoorFull-length reflective glass doorSolid wood. Windowed door panel is a $550 add-on
AudioBluetooth audio systemNot published
ChromotherapyBuilt in, 10 coloursNot published
Timer0-90 minutesAutomatic shut-off timer. Range not published
EMFUltra-low EMF, verified by Intertek (IEC 62233)Below 2 mG, third-party tested (their figure)
Materials testingCertified free of toxic heavy metals and phthalates (Intertek, California Prop 65)No stains, varnish or chemical finishes. Heavy metal and phthalate testing not published
AssemblyTool-free, under 30 minutesAbout 45 minutes, one screwdriver
Warranty2-Year1-year on factory defects. Extended coverage sold at checkout
DeliveryFree curbside deliveryFree LTL freight, lower 48

Sweat Box figures come from sweatboxshop.com, retrieved September 14, 2026. Where Sweat Box does not publish a figure, the table says so. Sources are listed at the bottom of this page.

Is a smaller cabin going to feel cramped?

The Solara is built for one person, sitting. It measures 35" x 37" and stands 63" tall, so it takes about half the floor space of a Sweat Box, which is 60" x 42".

The smaller cabin is on purpose. Heat rises, and in a bigger box it collects in space you are not using. The Solara keeps the warmth close to your body, which makes a seated session feel hotter and more efficient.

The Sweat Box takes a different approach. It is lower, at 50" tall, and wider, so you can stretch your legs out. If lying back with your legs extended matters most to you, that format is built for it.

What do the glass door and red light panel add?

The Solara has a full-length reflective glass door. You can see out, the room still feels open, and you keep your privacy. On the Sweat Box, a windowed door is a $550 add-on.

Red light is where the two brands really differ. The Solara uses a medical-grade 660nm + 850nm LED panel with 60 LEDs, rated up to 192 mW/cm² of irradiance. The panel swivels, so you can aim it where you want it.

The Sweat Box uses four incandescent bulbs, listed by wattage (100W each, 150W on High Heat). Sweat Box does not publish an irradiance figure for them.

The Solara also comes with Bluetooth audio and built-in chromotherapy with 10 colours. Sweat Box does not list either one.

for 158°F, a glass door, a 660nm + 850nm red light panel and a 2-Year warranty.

What do you get for the money?

The Solara is , which is £4,195 less than the Sweat Box Original's $4,195 list price. It also heats higher than the Original, 158°F against 150°F.

The Solara's warranty runs 2 years. Sweat Box covers factory defects for 1 year and sells extended coverage at checkout.

Setup takes under 30 minutes with no tools. The Solara plugs into a standard outlet, and curbside delivery is free. HSA/FSA funds may be eligible through TrueMed.

Straight answer

Where each one wins

Where the Solara wins

  • £4,195 less than the Sweat Box Original's list price
  • Heats up to 158°F, higher than the 150°F Original
  • 2-Year warranty, against 1 year
  • About half the floor space (35" x 37")
  • Full glass door, Bluetooth audio and 10-colour chromotherapy included

Where the Sweat Box wins

  • Hotter option: the High Heat upgrade reaches 180°F (+$400)
  • Wider, lower cabin where Sweat Box says you can stretch your legs out
  • Publishes a specific EMF figure: below 2 mG, third-party tested
  • 0% financing up to 24 months and no sales tax, since they ship from Oregon

What reviewers said

Rated 4.6 out of 5 from 160 Solara reviews

"I'm a 6ft2 bigger dude and I fit inside with room to spare to lean back and relax. The red light included in amazing too."

Jason · Solara owner review

"It heats up quickly, is easy to use, and doesn't take up a ton of space."

Devon M. · Solara owner review

"...at 6'1" 180lbs I fit very well and don't feel claustrophobic at all."

Matt F. · Solara owner review

The SaunaBox Solara

Half the floor space. Up to 158°F. .

  • SaunaBox Solara 1-person cabin, 100% Canadian Hemlock
  • Near, mid and far infrared, heats up to 158°F
  • Medical-grade 660nm + 850nm red light panel, made in an FDA-registered facility
  • Full reflective glass door, Bluetooth audio, 10-colour chromotherapy
  • 2-Year warranty and free curbside delivery
Shop the Solara
SaunaBox Solara

Questions

Solara vs Sweat Box, answered

Is the Solara cheaper than the Sweat Box?

Yes. The SaunaBox Solara is . The Sweat Box Original (150°F) lists at $4,195 and the High Heat version at $4,595 on sweatboxshop.com.

Which one gets hotter?

The Solara heats up to 158°F and adjusts from 77-158°F. The Sweat Box Original lists a 150°F max. Sweat Box also sells a High Heat upgrade that reaches 180°F for $400 more.

Will I fit in the Solara?

The Solara is a 1-person cabin, 35" W x 37" D x 63" H, built for seated sessions and rated to support up to 300 lb. Its compact cabin keeps the warmth close to your body instead of in empty space above your head.

What is the warranty difference?

The Solara comes with a 2-Year warranty. Sweat Box lists a 1-year manufacturer's warranty on factory defects, with extended coverage sold at checkout.

How hard is setup?

The Solara arrives as four pre-assembled panels with pre-installed locking clips. It snaps together without tools in under 30 minutes and plugs into a standard 110V outlet. Sweat Box says its sauna takes about 45 minutes with one screwdriver, and that some framing pieces weigh around 40 lb.

Does the Solara have a window?

Yes. The Solara has a full-length reflective glass door. The standard Sweat Box door is solid wood, and Sweat Box sells a windowed door panel as a $550 add-on.

Can I use HSA or FSA funds?

The Solara may be eligible through TrueMed. Sweat Box also says it accepts FSA and HSA through TruMed.

Where these numbers come from

Every Sweat Box fact on this page comes from Sweat Box's own website. Prices can change, and Sweat Box runs sales, so check their site for the current price. SaunaBox figures come from the live Solara product page.

  1. Sweat Box product page (price, specs, heat, size, EMF, warranty summary): https://sweatboxshop.com/products/sweat-box-infrared-red-light-therapy (retrieved Sep 14, 2026)
  2. Sweat Box product data (variant list prices): https://sweatboxshop.com/products/sweat-box-infrared-red-light-therapy.js (retrieved Sep 14, 2026)
  3. Sweat Box catalog (windowed door panel $550): https://sweatboxshop.com/products/sweatbox-sauna-glass-door-upgrade (retrieved Sep 14, 2026)
  4. Sweat Box policy and FAQ (1-year warranty, returns, shipping): https://sweatboxshop.com/pages/policy-faq (retrieved Sep 14, 2026)
  5. Sweat Box about page (Oregon company): https://sweatboxshop.com/pages/about-us (retrieved Sep 14, 2026)
  6. SaunaBox Solara product page (specs, price, warranty, owner reviews): https://saunabox.com/products/solara-full-spectrum-infrared-sauna (retrieved Sep 14, 2026)
SaunaBoxSaunaBox is not affiliated with Sweat Box. Sweat Box details taken from sweatboxshop.com on September 14, 2026.