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Independent·Affiliate-disclosed·Spec-verified·Updated June 10, 2026
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Head-to-head buyer guide

Sunlighten Signature Series vs Therasage Thera360 Plus

Specs, prices, editor verdict, and who should buy which - compared side-by-side.

By Ryan · Founder
Published May 3, 2026
Quick verdict

Sunlighten Signature Series (premium, $3,895–$6,495) vs Therasage Thera360 Plus (mid, $1,197) - different tools for different jobs (see the per-product details below).

Compared on 2 shared specs · same category (sauna).

Sunlighten Signature Series cedar far-infrared sauna with Solocarbon heaters
Sunlighten

Signature Series

The Sunlighten that 80% of Sunlighten buyers should actually pick - Solocarbon far-infrared, no near/mid wavelengths to pay for, and a four-figure price gap below the mPulse flagship.

PRICE
$3,895–$6,495
SCORE
8.6 / 10
View at Sunlighten
Therasage Thera360 Plus portable full-spectrum infrared sauna, set up and open
Therasage

Thera360 Plus

The Thera360 Plus is the portable, full-spectrum infrared sauna for people who want regular sessions without a $5,000 cabin, a contractor, or a spare room. It folds into a bag, runs off a normal outlet, and your head stays out the top.

PRICE
$1,197
View at Therasage
The verdict

These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.

Side-by-side specs

SpecSunlighten Signature SeriesTherasage Thera360 Plus
price$3,895–$6,495$1,197
capacity1, 2, 3, 4-person configurations1 person (head out)
power110V (1-person) / 220V dedicated (2-person+)Standard 110V outlet

Sunlighten Signature Series also publishes: heaterTechnology, wavelengthRange, EMF, operatingTempF, heatUpMinutes, construction, heaterWarranty, cabinWarranty, hsaFsa

Therasage Thera360 Plus also publishes: type, spectrum, emf, portability, extras

Who should buy which

Pick the Sunlighten Signature Series if

Buyers who want a credible heritage-brand far-infrared sauna with lifetime heater warranty and the largest service network in the category - and who don't need near or mid infrared in the same cabin.

Skip if

You want full-spectrum (near + mid + far) in one cabin (move to mPulse), you live in an apartment without 220V access for 2-person+ cabins, or you can't justify $4K+ over a sauna blanket.

Pick the Therasage Thera360 Plus if

Renters, apartment-dwellers, travelers, and first-time sauna buyers who want consistent full-spectrum infrared sessions without the price, install, and permanence of a cabin.

Skip if

You want the enveloping, head-in, 180F-plus cabin experience, a multi-person sauna, or a permanent showpiece. Then a Clearlight or Sunlighten cabin is worth the spend.

Go deeper

FULL REVIEW
Read the Sunlighten Signature Series review →
FULL REVIEW
Read the Therasage Thera360 Plus review →