The key difference is that the Evolve 20 features a large 300-watt heater mounted to the glass door, which adds more power and 360° body coverage.

• Outdoor placement is possible if completely protected from the weather. Colder climates will affect the warm-up time, for more detailed information see our FAQ page.
• The Saunas can be placed on carpet, tiles, timber or concrete flooring.
• The surface the sauna is placed on ideally needs to be perfectly level, however if slightly out, levelling will be required.
• For the assembly process there needs to be adequate space around the sauna before it’s pushed into place.
• Clearance required is 3-5cm for the sides and top of the sauna.

Compared with some compact two‑person designs, the Ascend places a strong emphasis on even infrared coverage and user comfort. Its strategically positioned heater panels reach the body from multiple angles for a balanced heat experience.

The Ascend 2‑Person Sauna plugs into a standard 240 V household outlet and draws approximately 8 A. That means you can install it without specialised wiring in most homes, and it will operate confidently on a typical residential circuit.

Sun Stream Saunas heat up to 65°C, but unlike traditional saunas, far infrared saunas work by heating your body directly—not just the air. This radiant heat penetrates deeply to trigger a powerful detoxifying sweat at lower, more comfortable temperatures. Our saunas deliver faster, more effective results thanks to high-powered carbon heaters, full 360° heat coverage, and no fabric barriers over the panels.

A pre-heat time of only 15 minutes is all that is required to bring the heaters up to their full operating temperature prior to commencing your sauna session.

Click here to learn why Sun Stream Saunas feel hotter than all other brands!

Because infrared saunas heat the body directly rather than heating a large volume of air, the Ascend is energy efficient and will only cost around 50 cents per hour. On average, running costs are similar to standard household appliances, and many owners find it comfortable to use regularly without high power bills.

The sauna reaches temperatures that support therapeutic sweat sessions at safe, comfortable levels. These levels are effective for circulation, relaxation, and muscle recovery without the intense air heat typical of steam saunas.

The Ascend 2‑Person Sauna is designed using ultra‑low EMF and ELF heater components. This ensures that electromagnetic and electric field exposure remains minimal while delivering consistent infrared heat throughout the cabin.

High‑quality Canadian Hemlock timber is used throughout the sauna’s construction. This wood is stable, aromatic, and ideal for infrared environments because it remains robust with heat while avoiding the use of plywood or harmful glues.

The Ascend can be placed on most stable indoor surfaces such as tile, timber, concrete, or even carpet, so long as the floor is level and secure. If your floor is uneven, a small leveling adjustment beforehand will help ensure the door aligns properly and the structure sits flat.

No, the sauna’s interlocking panels and clear instructions make assembly straightforward for two people using basic tools. Many customers complete setup in around 1 hour.

If you place the sauna outdoors, it must be fully protected from weather, moisture, and direct sunlight. For durability and performance, indoor installation is recommended.

Maintenance is simple: we recommend using a clean towel during each session to absorb sweat and protect the timber. After use, allow the sauna to air out with the door open for a few minutes. Occasional cleaning with a mild, natural cleaner is all that’s needed to keep the interior wood fresh and hygienic. With no steam or water reservoir to manage, long‑term care is easier than traditional saunas.

A two‑person sauna like the Ascend is a popular choice when you want space for one person to recline or for couples to enjoy sessions together. It strikes a balance between compact design and comfortable interior volume.

Yes. Sun Stream offers a Residential Lifetime Warranty covering the heaters, control systems, and cabinet construction, giving peace of mind for long‑term use.