SunRay Grandby 3-Person Outdoor Infrared Sauna
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The Grandby 300D Outdoor Infrared Sauna is a premium 3-person outdoor infrared sauna designed to bring steady, year-round wellness to patios, decks, and backyard spaces. Built with weather-sealed Canadian hemlock and topped with a shingled roof, the Grandby combines outdoor durability with a footprint that is easier to place than many larger outdoor sauna models.
With seven low-EMF carbon infrared heaters, Bluetooth audio, an LED digital control panel, and a fresh-air system with oxygen ionizer and ozone refresh, this model offers a comfortable outdoor infrared experience without requiring a 220V circuit. For buyers comparing the Grandby 300D outdoor infrared sauna to other premium home sauna options, this model stands out for its 3-person capacity, 120V convenience, and outdoor-ready design.
Helpful sauna planning resources: Learn more about choosing the right sauna and preparing your space before you buy.
Need help confirming fit and electrical? We can help you confirm outdoor placement, power requirements, and delivery planning before you order.
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Key Features
- Outdoor-ready hemlock: Weather-sealed cabinet designed for year-round outdoor performance.
- 7 low-EMF carbon infrared heaters: Even, gentle far-infrared warmth throughout the cabin.
- Shingled roof: Classic look with long-term weather protection.
- LED digital controls: Set temperature, session time, and lighting with simple controls.
- Bluetooth audio: Stream music, meditations, or podcasts wirelessly.
- Fresh-air system: Oxygen ionizer and ozone air refresh help keep the cabin feeling comfortable.
- Spacious bench: Comfortable seating for up to three adults.
- Quick assembly: Pre-cut panels support straightforward two-person setup.
Who This Sauna Is Best For
- Homeowners wanting an outdoor sauna without 220V: A strong fit for buyers who want outdoor placement with simpler electrical requirements.
- Patios, decks, and backyard wellness spaces: Ideal for outdoor settings where footprint, durability, and comfort all matter.
- Couples, small families, or solo users wanting more room: A compelling option for buyers who want more than a compact 2-person layout.
- Shoppers prioritizing easy outdoor operation: Well-suited for customers who value Bluetooth audio, digital controls, and air-refresh features.
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Specifications
| Spec | Detail |
|---|---|
| Model | Grandby 300D Outdoor Infrared Sauna |
| Seating Capacity | Up to 3 adults |
| Heating System | 7 low-EMF far-infrared carbon panels |
| Exterior Dimensions | 87″ H × 69″ W × 47″ D |
| Interior Dimensions | 68″ H × 55″ W × 43″ D |
| Weight | Approximately 425 lb |
| Power Usage | Approximately 2,100 W |
| Controls | LED digital panel for temperature, time, and lighting |
| Audio | Bluetooth-compatible speakers |
| Air Quality | Oxygen ionizer plus ozone air refresh |
| Certification | ETL / CSA for the U.S. and Canada |
Electrical Requirements
| Circuit | Detail |
|---|---|
| Voltage | 120 V |
| Amperage | 20 A |
| Frequency | 50 / 60 Hz |
| Outlet | Dedicated outdoor grounded outlet on a GFCI-protected circuit |
| Notes | No extension cords. Follow local electrical code and manufacturer instructions. |
Always confirm outlet configuration, breaker sizing, and outdoor electrical code requirements before installation.
What’s Included
- Outdoor-rated Canadian hemlock sauna cabin
- Weather-resistant shingled roof
- 7 far-infrared low-EMF carbon heating panels
- LED digital control panel
- Bluetooth speaker system
- Interior LED lighting and cup holders
- Oxygen ionizer and ozone air refresh system
- Pre-cut wall panels, hardware, and owner’s manual
What Makes This Different
Why Choose the Grandby 300D
Compared to many outdoor infrared saunas, the Grandby 300D Outdoor Infrared Sauna offers a rare combination of 3-person capacity and 120V convenience. That means buyers can enjoy a larger outdoor sauna layout without stepping up to the heavier electrical requirements often associated with bigger backyard sauna models.
This versatility makes the Grandby 300D a compelling option for buyers who want a premium outdoor infrared sauna for home use and prefer weather-sealed hemlock construction, a shingled roof, and a more manageable electrical setup.
Compare at a Glance
| Feature | Grandby 300D (This Page) | Cayenne | Burlington |
|---|---|---|---|
| Capacity | Up to 3 adults | Up to 4 adults | 2 adults |
| Heaters | 7 carbon (low-EMF) | 10 carbon (low-EMF) | 6 halogen infrared |
| Exterior Dimensions | 87″ × 69″ × 47″ | 87″ × 79″ × 52″ | 87″ × 57″ × 45.3″ |
| Electrical | 120 V / 20 A GFCI outdoor | 220 V / 30 A dedicated | 120 V / 20 A GFCI outdoor |
| Stand-out | 3-person capacity with 120V convenience | Larger cabin with higher-power circuit | Most compact outdoor option |
Specs are approximate; verify final details on each product page.
Compare other models: Shop Outdoor Saunas • Browse All Home Saunas
Site Prep & Installation
- Electrical: Dedicated 120 V / 20 A outdoor GFCI circuit and grounded outlet. No extension cords.
- Foundation: Solid, level base such as pavers, a deck, or a concrete pad.
- Placement: Allow clearance for roof overhang and service access, and keep away from direct sprinkler exposure.
- Seasonal check: Inspect the roof and exterior seals periodically for long-term outdoor performance.
Need help planning your installation? Review our guides for sizing, prep, and what to expect before delivery and assembly.
Support, Warranty, and Buying Confidence
When shopping for a premium sauna, product details matter, but so does support before and after the sale. At My Luxury Home Spa, we help customers compare models, understand installation requirements, and choose the right sauna for their space and goals.
The Grandby 300D is backed by 7-year limited structural coverage and 1-year limited electronics and heater coverage. If you have questions before ordering, our team can help you evaluate fit, access, electrical needs, and outdoor placement considerations.
Estimated Cost to Operate
| Item | Typical Range | Notes |
|---|---|---|
| Per 30–45 minute session | ≈ $0.13–$0.40 | Based on approximately 2.1 kW draw at common residential electricity rates. Actual cost varies by ambient temperature and preheat time. |
| Monthly (3–5×/week) | ≈ $3–$10 | Estimated only. Actual costs vary by usage habits, weather, and local electricity rates. |
| Maintenance | Low | Wipe surfaces, clean glass, and inspect the roof and exterior seals seasonally. |
Shipping & Delivery
- Insured freight delivery to the continental U.S. with a scheduled delivery window
- Curbside delivery: Plan for two people to move boxes to the final installation area
- Typical freight transit after processing: 7–14 business days (location dependent)
Need stairs, tight access, or special placement planning? Contact us before checkout.
Pairs Well With
For customers building a more complete outdoor wellness setup, the Grandby 300D pairs especially well with complementary recovery and relaxation categories. Many buyers combine an outdoor sauna with cold exposure, massage, or contrast therapy products to create a more personalized home wellness environment.
FAQs
Does the Grandby 300D require 220 V?
How long is preheat time?
Is assembly complicated?
What upkeep is recommended?
Is the Grandby 300D a good fit for outdoor home wellness?
Why Buy From Us
FAQs
Shipping & Delivery
Free shipping available on select orders. White-glove delivery and setup can be arranged at an additional cost in most areas. We'll confirm your preferred date after purchase.
Warranty
Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.
Returns
New, uninstalled items can be returned within the brand's policy window. We'll help coordinate pickup and any restocking requirements.
Installation & Power
Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.
