Sun Home vs Heavenly Heat

The short version: Sun Home is the broader range — far-infrared, full-spectrum and red light indoor cabins, traditional saunas and outdoor cabins — and it publishes heater counts, circuits, weights and dimensions for each. Heavenly Heat is the narrower, materials-first maker: non-resinous Canadian hemlock with no glue or plywood, grounded heaters and Faraday shielding, emissions verified by a named third party, and a ten-year warranty on indoor saunas against Sun Home's seven. Heavenly Heat runs from a standard 120 V outlet; Sun Home's cabins ask for a dedicated circuit, 20 A or 30 A by model.

Side by side

Materials

Heavenly Heat's case is the build. It says every sauna is non-resinous 100% Canadian hemlock with zero-glue construction, no plywood and no chemical stains, and that its materials are tested for off-gassing under heat — with emissions independently verified by Primary Environmental, a firm it names. Sun Home uses cedar and hemlock depending on the model and publishes its own sauna safety testing page. If low off-gassing is your first requirement, Heavenly Heat states more about it; our cedar vs hemlock vs spruce page covers what the wood itself changes.

EMF, and what each figure means

Heavenly Heat publishes numbers: below 2 mG for EMF and below 7 V/m for ELF, in its own testing, using grounded heaters and Faraday shielding. It does not state the distance those readings were taken at, and the page we read shows video of meter readings rather than a written method. Sun Home describes its cabins as ultra-low EMF and publishes third-party testing of its heating technology rather than model-by-model figures. Both are stronger than the category's usual silence, and neither gives you the distance that would make the two directly comparable — what low EMF means explains why that matters, and our low-EMF comparison lines up the published claims.

The circuit is the practical difference

Heavenly Heat's two-person page says the cabin works from a standard 120 V household outlet and recommends a dedicated 120 V, 20 A circuit for best performance — so a spare room with an ordinary socket can work. Sun Home asks for a dedicated circuit on every cabin: 120 V/20 A with a standard breaker for the Equinox, a 30 A twist-lock for the Eclipse, and a 240 V GFCI circuit for the outdoor Luminar. If you would rather not call an electrician, that difference decides it. Heavenly Heat's warranty still requires any dedicated circuit to be installed by a qualified electrician, and says the wrong voltage or protection voids coverage.

Heat, published and not

Sun Home publishes temperatures and heater counts per model — four or five far-infrared heaters plus two full-spectrum in the Equinox, more in the Eclipse. Heavenly Heat deliberately publishes no maximum temperature, arguing that room temperature and available power change both the heat-up time and the ceiling; only its ECO page offers a figure, saying that model often reaches well over 165 °F. Its 3-person cabin is the one model whose wattage we found published, at 3,145 W. If you like comparing numbers before buying, Sun Home gives you more of them.

The warranty

Heavenly Heat is longer on paper: ten years on indoor saunas and three on outdoor, with five years on red light panels and supplied accessories. Sun Home gives the Equinox and Solstice seven years on cabinetry and heaters, and applies its limited lifetime term for up to seven years on the Eclipse and Luminar. The difference is what surrounds those numbers. Sun Home's general terms include parts, labor and shipping for the first 90 days; Heavenly Heat does not cover labor at all, and its remedies are replacement parts, with shipping damage reported within 48 hours. Both are non-transferable in the parts we read. Sauna and cold plunge warranties compared sets both against the wider field.

Which to choose

• Heavenly Heat, if materials and emissions come first, you want a ten-year indoor term, and a standard 120 V outlet is what you have.
• Sun Home, if you want published specifications per model, a wider choice of formats — full spectrum, red light, traditional, outdoor — and 90 days that include labor.
• Either, if you are shortlisting on EMF: ask both for the measurement distance before you decide.

Alternatives you can buy today

Neither brand sells through Amazon. The picks below are the closest cabins there: a two-to-three-person corner cabin in red cedar, a two-person solid red cedar far-infrared cabin, a one-person cabin with red light, and a four-person cabin at 2,145 W. They are not Sun Home or Heavenly Heat products, and none publishes emissions testing by a named lab.

Our honest position

These two brands answer different questions. Sun Home documents its hardware; Heavenly Heat documents its materials and stands behind the cabin for longer, without labor. We have not used either and earn nothing from either. Our Heavenly Heat review and Sun Home Saunas review cover each range in full.

Every pick on this page comes from published specifications, not from hardware we own. Read how we pick — including what spec-led ranking cannot tell you.