SunRay Grandby 3-Person Outdoor Infrared Sauna
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SunRay Grandby 3-Person Outdoor Infrared Sauna
A Canadian hemlock backyard sauna with seven infrared heaters, a metal composite roof, digital controls, Bluetooth audio, and shared bench seating.
The Grandby 300D Outdoor Infrared Sauna is a premium 3-person outdoor infrared sauna designed to bring a relaxing home sauna routine to patios, decks, and backyard spaces. Built with weather-sealed Canadian hemlock and topped with a metal composite roof, the Grandby combines outdoor durability with a footprint that is easier to place than many larger outdoor sauna models.
With seven infrared heaters, Bluetooth audio, an LED digital control panel, and a manufacturer-listed ionizer/ozone accessory, 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 outdoor residential use with proper installation and maintenance.
- 7 infrared heaters: A 2100-watt system with a manufacturer-listed maximum temperature of approximately 140°F.
- Metal composite 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.
- Ionizer/ozone accessory: Included as listed by SunRay; follow the accessory instructions, including occupancy and ventilation restrictions.
- 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 interior lighting.
Explore related sauna collections:
SunRay Grandby Specifications
| Spec | Detail |
|---|---|
| Model | SunRay Grandby / Model 300D3 (also described as 300D) |
| Seating Capacity | Up to 3 adults |
| Heating System | 7 far-infrared heaters |
| Exterior Dimensions | 87″ H × 69″ W × 47″ D |
| Roof Footprint | 79″ W × 61″ D; allow additional assembly and service clearance |
| Interior Dimensions | 68″ H × 55″ W × 43″ D |
| Manufacturer-Listed Shipping Weight | Approximately 425 lb |
| Power Usage | Approximately 2,100 W |
| Controls | LED digital panel for temperature, time, and lighting |
| Audio | Bluetooth-compatible speakers |
| Included Accessory | Manufacturer-listed ionizer/ozone accessory |
| Certification | ETL / CSA for the U.S. and Canada |
Electrical Requirements
| Circuit | Detail |
|---|---|
| Voltage | 120 V |
| Circuit Rating | Dedicated 20 A circuit |
| Outlet | Grounded outdoor receptacle matching the supplied plug; GFCI and weather protection as required for the installation |
| Notes | No extension cords. Follow local electrical code and manufacturer instructions. |
Have a licensed electrician verify the dedicated circuit, supplied plug, receptacle, grounding, GFCI protection, and local outdoor requirements. Do not share the circuit with other appliances or use extension cords or power strips. The 20 A circuit rating is not the sauna’s continuous current draw.
What’s Included
- Canadian hemlock sauna cabin designed for outdoor residential use
- Weather-resistant metal composite roof
- 7 far-infrared heaters
- LED digital control panel
- Bluetooth speaker system
- Interior LED lighting and cup holders
- Manufacturer-listed ionizer/ozone accessory
- 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 practical 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 metal composite 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 infrared heaters | 10 infrared heaters | 6 infrared heaters |
| Exterior Dimensions | 87″ H × 69″ W × 47″ D | 87″ H × 79″ W × 52″ D | 87″ H × 47″ W × 45″ D |
| Electrical | 120V / 20A dedicated | 120V / 20A dedicated | 120V / 20A dedicated |
| Stand-out | 3-person capacity with 120V convenience | Larger 4-person cabin | Most compact outdoor option |
Cabin dimensions above exclude roof overhang. Electrical specifications follow SunRay’s current product webpages. Have a licensed electrician verify the supplied unit and installation requirements.
Compare other models: Shop Outdoor Saunas • Browse All Home Saunas
Site Prep & Installation
- Electrical: Dedicated grounded 120 V / 20 A circuit. Have a licensed electrician confirm outdoor wiring, receptacle, GFCI, and weather-protection requirements. No extension cords or power strips.
- Foundation: Solid, level, well-drained base that supports the sauna and occupants. For decks, confirm structural capacity. Follow the manual’s moisture-barrier requirements on damp or ground-contact surfaces.
- Placement: Plan around the 79″ × 61″ roof footprint, door swing, and service access. Avoid direct sprinkler exposure and areas where water collects.
- Seasonal check: Inspect the roof, finish, and sealed joints. Follow the D3-series assembly instructions for sealant at wall bottoms, roof seams, and exterior joints, and maintain the exterior as directed.
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.
My Luxury Home Spa is a veteran-owned specialty wellness retailer. Our team can help you evaluate fit, access, electrical needs, outdoor placement, and the manufacturer documents applicable to your order.
Warranty and Exterior Maintenance
SunRay’s current product webpage lists a 10-year structural warranty and a 1-year parts and electronics warranty. Coverage is subject to the manufacturer’s full terms, original purchaser and address requirements, residential use, and proper installation and maintenance. Parts coverage excludes replacement labor.
SunRay requires annual exterior resealing for outdoor saunas that do not include a weather cover. Inspect the finish and sealed joints and follow the supplied manual. Obtain manufacturer authorization before arranging reimbursable repairs.
Estimated Cost to Operate
| Item | Typical Range | Notes |
|---|---|---|
| 45 minutes of total powered time | About $0.25 at $0.16/kWh | Illustration: 2.1 kW × 0.75 hour × $0.16/kWh = $0.252. Include all warmup and use time; this is a cost example, not a recommended session length. |
| 12 powered cycles per month | About $3.02 at the example rate | Based on twelve 45-minute powered cycles at $0.16/kWh. Actual use, weather, heater cycling, and your utility rate change the cost. |
| Maintenance | Routine exterior and cabin care | 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
- Processing and transit depend on availability, destination, carrier scheduling, and weather; confirm the expected dispatch window before scheduling installation
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.
Frequently Asked Questions About the SunRay Grandby
Does the Grandby require 220V or 240V?
How long is the Grandby’s preheat time?
Is Grandby assembly complicated?
What upkeep does the Grandby need?
Is the Grandby a good fit for outdoor home wellness?
What are the Grandby sauna dimensions?
What type of roof does the Grandby have?
Is white glove delivery or installation available?
What warranty comes with the Grandby?
Does the Grandby require plumbing or sauna stones?
How does the Grandby compare with Burlington and Cayenne?
Why Buy From Us
Shop trusted wellness brands with authorized dealer support and help choosing the right equipment.
Help understanding coverage and coordinating warranty inquiries. Coverage and registration requirements vary by brand and product.
Personal guidance from My Luxury Home Spa before, during, and after your purchase.
Ordering & Product Support FAQs
Shipping & Delivery
Free standard shipping is available on eligible products and destinations. Large equipment generally ships by freight with curbside delivery unless another service is expressly included.
White-glove placement, assembly, or other upgraded services may be available for select products and locations at an additional cost. Availability, scope, and pricing must be confirmed before booking. Processing, transit, and delivery scheduling vary by product and destination.
Review our Shipping Policy, or contact us before ordering if you need placement assistance or delivery by a particular date.
Warranty
Manufacturer warranty coverage varies by brand, model, component, and intended use. Review the product’s warranty documentation for coverage periods, exclusions, and any registration requirements. Commercial use may have different terms.
For warranty assistance, contact My Luxury Home Spa with your order number, model, serial number, and a description of the issue. We can help coordinate the next steps with the manufacturer or supplier.
Returns
Return eligibility, deadlines, fees, and shipping responsibilities vary by product. Some products have shorter return windows or specific restrictions. Eligible change-of-mind returns generally require unused equipment in its original packaging and written authorization before shipment.
Review our Return & Refund Policy and any product-specific terms before purchasing. Contact us promptly about damaged, defective, or incorrect items; these are reviewed separately from change-of-mind returns.
Installation & Power
Electrical, assembly, foundation, ventilation, drainage, and clearance requirements vary by product. Check the exact model’s specifications and manufacturer instructions before ordering or preparing your space.
Use qualified professionals where required. Delivery or optional placement service does not include electrical wiring, plumbing, site preparation, or full installation unless expressly included in your written service scope. Contact us if you need help locating the appropriate product documentation.
