J.A. Roby Gemini Wood Cookstove

The J.A. Roby Gemini Wood Cookstove is a compact, efficient model designed for homes where floor space is at a premium. The combination of a high efficiency firebox and a warming oven make this stove a shoe-in for small to medium size homes. Despite its small footprint, this stove packs quite a punch. With a maximum heat output of 110,000 BTUs, simple yet elegant styling, and both EPA and Mobile Home approval, this wood burning cookstove is sure to fit numerous applications.
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- Specifications
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Features
- The J.A. Roby Gemini heats up to 3,000 ft²
- One cast iron arched door model on the firebox with square door on the oven
- High efficiency US EPA NSPS 2020 and CSA B415.1 certified appliance
- Recommended heating Area (sq. ft.) : 1,000 - 3,000
- Two chrome oven rack
- Oven on top with thermometer
- Hot air exhaust hatch on top of the oven
- Convection and radiation heating
- Self-cleaning glass surface system
- Low clearances to combustibles materials
- Ceramic wool baffle
- Outdoor air intake
- Firebox lined with refractory bricks for better heat distribution
- Stainless steel secondary air system improving gas combustion
- Recommended chimney: 6"
- Optimum efficiency 72.26 %
- Low emissions 1.56 gr/h
- LHV 77.75%
- Recommended log length: 16"
- Maximum log length: 22"
- Mobile home certified
Options
- Outdoor air intake package kit (ECPAE)
- 460 CFM blower with thermodisc (VENT460TH)
Resources:
Specifications | Gemini |
Type of fuel | Wood |
Heat Area | 1,000 to 3,000 ft² |
Heat Output | 110,000 BTU / hr |
Efficiency | 77.75% (LHV), 72.26% (Optimum) |
Overall Dimensions | 54-7/8"H x x 28"W x 34-3/8"D |
Flue size | 6" |
Minimum chimney height | 15' |
Maximum log length | 22" (16" recommended) |
Burn Time | 4 to 14 hr |
Firebox Dimensions | 15-1/8"H x 18"W x 22-1/2"D |
Dimensions of the door opening | 15-1/8"W x 9-1/4"H |
Weight | 500 lbs |
Warranty | Limited Lifetime |
Test standard - US emissions | US EPA NSPS 2020 |
Test standard - Canada emissions | CSA B415.1-10 |
Test standard - safety | CAN/ULC S627 UL 1482 |
Mobile Home Approved | Yes |
Clearance to Combustibles (US) | Gemini |
Single Wall (Back / Side / Corner) | 13" / 16" / 17" |
Double Wall (Back / Side / Corner) | 11-1/4" / 16" / 8-3/4" |

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If you are planning to cook with a cookstove, you will need to understand some basic fire safety. Remember, extinguishing a grease or oil fire with water is not a good idea.