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The Monticello 4-Person Hemlock Infrared Sauna by HeatWave is the largest and most powerful model in the HeatWave hemlock lineup — a full-size, rectangular 4-person cabin built from solid Canadian Hemlock with a generous 72" × 46" footprint and a spacious 68" × 35" interior. Powered by 9 strategically positioned low-EMF carbon heaters producing 2,370 watts of steady, even FAR infrared warmth on a standard 120V / 20A dedicated circuit, it delivers comprehensive heat coverage for all four users simultaneously up to 140°F. A complete premium feature set includes chromotherapy lighting, an oxygen ionizer, wireless audio, 4 interior + 3 exterior LED spotlights, 4 ergonomic backrests, 2 cup holders, towel hooks, and a magazine rack — backed by a manufacturer warranty of up to 7 years and certified to CE, CETL, RoHS, and ISO 9001 standards.
Nine low-EMF carbon infrared heating panels are strategically positioned throughout the 4-person cabin to deliver 2,370 watts of steady, even FAR infrared warmth — the highest heater count and wattage in the HeatWave hemlock lineup. Carbon panels emit infrared heat over a large, flat surface area for broad, enveloping warmth that surrounds all four users simultaneously, up to 140°F.
The Monticello’s 72" × 46" exterior footprint and 68" × 35" interior provide the most spacious hemlock sauna cabin in the HeatWave lineup — with ample room for four adults to sit comfortably side by side. Solid Canadian Hemlock construction is naturally hypoallergenic, scar-resistant, and an excellent heat insulator.
Four recessed interior MR11 LED spotlights (warm white, 0.9W each) provide generous, even illumination across the full 4-person cabin interior. Three exterior MR11 LED spotlights illuminate the outside of the cabin — creating a premium spa-like atmosphere from every angle, day or night. Chromotherapy lighting and an oxygen ionizer complete the wellness environment.
Four ergonomic wooden backrests — one for each user — ensure comfortable extended sessions for the full group. The wireless-connected integrated sound system streams audio through built-in speakers without cables. Included accessories: 2 cup holders, towel hooks, and a magazine rack — everything needed for a complete 4-person home sauna experience.
The Monticello 4-Person Hemlock Infrared Sauna by HeatWave is the largest and most powerful model in the HeatWave hemlock lineup — combining 9 low-EMF carbon heaters, 2,370W of steady FAR infrared warmth, 120V / 20A compatibility, solid Canadian Hemlock construction, chromotherapy lighting, an oxygen ionizer, wireless audio, 4 interior LED spotlights, 4 ergonomic backrests, and a full comfort accessory set. CE, CETL, RoHS, and ISO 9001 certified, and backed by up to a 7-year manufacturer warranty.
This product is intended for general wellness and relaxation use only and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Consult a qualified healthcare professional before use if you are pregnant, have a cardiovascular condition, or any other health condition. Do not exceed the maximum temperature of 140°F or the recommended session duration specified in the included manual. Never use under the influence of alcohol or medications that affect heat tolerance. For indoor use only. For use by adults 18 and older. Keep out of reach of children. A dedicated 120V / 20A circuit is required — at 18.5A draw, a dedicated outlet is essential. Consult a certified electrician before purchase. Measure installation space carefully before ordering — this is a rectangular unit requiring a straight wall run, not a corner-fit sauna. Always follow manufacturer safety and assembly instructions.
