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Sunlighten alternatives, model by model

Sunlighten sells mostly by quote; we have a price for 1 of its 3 models, and that one is reported by a third party. If you want to compare prices up front, or need a lighter outlet, these are the closest matches.

For each of the 3 Sunlighten models we track, we list models from other brands with the same seat count and kind of heat, a footprint within 4″ either way, and the same or a lighter outlet. Closest footprint first, then price. Brand and commission play no part in the matching.

How we compare: published specs only, checked 2026-10-19. We don't test saunas, and commission never changes what's listed or its order.

Model by model

Sunlighten mPulse Aspire

1 seat · 43½″ × 41½″ · 20A outlet · $7,499

  • Clearlight Premier IS-11½″ shallower (turned sideways) · normal outlet instead of 20A outlet · quote only
  • Peak Saunas Shasta1½″ narrower, 1½″ shallower · normal outlet instead of 20A outlet · $7,250
  • Peak Saunas Rainier1½″ narrower, 1½″ shallower · normal outlet instead of 20A outlet · $7,950

Sunlighten Amplify III

3 seats · 62¼″ × 46″ · 20A outlet · quote only

Sunlighten mPulse Conquer

3 seats · 70½″ × 47½″ · 240V outlet · quote only

No close match: nothing from another brand within 4″ with the same seats and no heavier wiring. Nearest:

  • Sun Home Solstice 38¼″ narrower, 1¾″ shallower · 20A outlet instead of 240V outlet · $6,299
  • Sun Home Equinox 38¼″ narrower, 1¾″ shallower · 20A outlet instead of 240V outlet · $6,999

The close matches, drawn to scale

Peak Saunas

Shasta

42″40″
Seats
1
Heat
Full-spectrum infrared
Outside
42″ W × 40″ D × 75″ H
Where
Indoors only
HSA/FSA
Through the brand
Spec has gaps: Electrical stated as standard household outlet; amps not published — verify
A normal 120V wall outletStandard household plug · 120V / 15A
$7,250Peak price, Aug 2026No electrical work
View at seller
Peak Saunas

Rainier

42″40″
Seats
1
Heat
Full-spectrum infrared
Outside
42″ W × 40″ D × 75″ H
Where
Indoors only
HSA/FSA
Through the brand
Spec has gaps: Red cedar version of the Shasta. Electrical stated as standard household outlet; amps not published — verify
A normal 120V wall outletStandard household plug · 120V / 15A
$7,950Peak price, Aug 2026No electrical work
View at seller
Clearlight

Premier IS-1

40″44″
Seats
1
Heat
Far-infrared
Outside
40″ W × 44″ D × 76″ H
Where
Indoors only
A normal 120V wall outletStandard household plug (draws 11.4 A) · 120V / 15A
Quote onlyQuote / dealer priceNo electrical work
View at seller
Sun Home

Solstice 3

62¼″46″
Seats
3
Heat
Far-infrared
Outside
62¼″ W × 46″ D × 77¾″ H
Where
Indoors only
HSA/FSA
Through the brand
A dedicated 120V / 20A outletNEMA 5-20P · 120V / 20A
$6,299Sun Home store, Sep 2026 saleElectrical work: about $100–$300 if you need a new outlet
View at seller
Sun Home

Equinox 3

62¼″46″
Seats
3
Heat
Full-spectrum infrared
Outside
62¼″ W × 46″ D × 77¾″ H
Where
Indoors only
HSA/FSA
Through the brand
A dedicated 120V / 20A outletNEMA 5-20P · 120V / 20A
$6,999Sun Home store, Sep 2026 saleElectrical work: about $100–$300 if you need a new outlet
View at seller

Questions

What is the closest alternative to the Sunlighten mPulse Aspire?

The Clearlight Premier IS-1: 1½″ shallower (turned sideways) · normal outlet instead of 20A outlet · quote only. The mPulse Aspire is 43½″ × 41½″ and needs a dedicated 120V / 20A outlet.

Are there Sunlighten alternatives that plug into a normal outlet?

Yes: the Clearlight Premier IS-1, the Peak Saunas Shasta and the Peak Saunas Rainier run on a normal 120V outlet and match a Sunlighten model within 4″.

Why do some Sunlighten models have no close match?

Our rule is strict: same seats, same kind of heat, a footprint within 4″ and no heavier wiring. 1 of the 3 Sunlighten models have nothing that close, so we show the nearest options and say how far off they are.