








Complete solutions designed by our experts for optimal performance.
Nebula Collection 30" Professional Style Gas Range
Cosmo’s COS-305AGC-BK single oven gas range in matte black features 5 high-performance burners to allow you to create culinary masterpieces from start to finish. Designed with a large 5.0 cu. ft. oven to bake and broil meat to a flavorful crispness on the outside while maintaining tender juiciness inside. Rapid Convection from Cosmo delivers superior results that can be tasted with more flavorful cooking. Our single oven gas range cooktop features one 18,000 BTU Burner, one 12,000 BTU Burner, two 6,000 BTU Burners and one 3,500 BTU Burner. A built-in display and electronic controls let you set the clock and timer for precision cooking. For added versatility, an optional Liquid Propane Conversion Kit is sold separately to convert our gas range to run on propane. The Cosmo Nebula Collection offers reliability with essential features, providing a straightforward solution for those who seek practicality in an appliance.
Why Buy Cosmo COS305AGCBK Nebula Collection 30" Professional Style Gas Range
Frequently Asked Questions
Q: What type of fuel does this range use?
A: The range uses natural gas but can be converted to Liquid Propane (LP) gas with a separately sold conversion kit.
Q: How many burners does the cooktop have?
A: The cooktop has five sealed burners with varying heat outputs, including an 18,000 BTU burner for high-heat cooking and a 3,500 BTU burner for simmering.
Q: What is the oven capacity?
A: The oven has a 5.0 cubic foot capacity.
Q: Does the oven have convection?
A: Yes, it features fan-assisted convection cooking for even heat distribution.
Q: Is the unit compatible with a downdraft ventilation system?
A: No, Cosmo ranges are generally not compatible with downdraft ventilation.
Pros and Cons of Cosmo COS305AGCBK Nebula Collection 30" Professional Style Gas Range
Pros
Cons
Conclusion
The Cosmo COS-305AGC-BK is a solid choice for home cooks looking for a professional-style gas range at a budget-friendly price. It delivers strong cooking performance, versatile burners, and a simple, durable design, making it excellent value. Buyers should note the limited digital features and potential long-term durability considerations. Overall, most users are very satisfied with the upgrade it brings to both functionality and kitchen aesthetics.
| Width | |
| Exterior Width | 30" |
| Width | 29 13/16" |
| Depth | |
| Depth | 27" |
| Depth without Handles | 25" |
| Height | |
| Height | 37 1/4" |
Nebula Collection 30" Professional Style Gas Range
Cosmo’s COS-305AGC-BK single oven gas range in matte black features 5 high-performance burners to allow you to create culinary masterpieces from start to finish. Designed with a large 5.0 cu. ft. oven to bake and broil meat to a flavorful crispness on the outside while maintaining tender juiciness inside. Rapid Convection from Cosmo delivers superior results that can be tasted with more flavorful cooking. Our single oven gas range cooktop features one 18,000 BTU Burner, one 12,000 BTU Burner, two 6,000 BTU Burners and one 3,500 BTU Burner. A built-in display and electronic controls let you set the clock and timer for precision cooking. For added versatility, an optional Liquid Propane Conversion Kit is sold separately to convert our gas range to run on propane. The Cosmo Nebula Collection offers reliability with essential features, providing a straightforward solution for those who seek practicality in an appliance.
Why Buy Cosmo COS305AGCBK Nebula Collection 30" Professional Style Gas Range
Frequently Asked Questions
Q: What type of fuel does this range use?
A: The range uses natural gas but can be converted to Liquid Propane (LP) gas with a separately sold conversion kit.
Q: How many burners does the cooktop have?
A: The cooktop has five sealed burners with varying heat outputs, including an 18,000 BTU burner for high-heat cooking and a 3,500 BTU burner for simmering.
Q: What is the oven capacity?
A: The oven has a 5.0 cubic foot capacity.
Q: Does the oven have convection?
A: Yes, it features fan-assisted convection cooking for even heat distribution.
Q: Is the unit compatible with a downdraft ventilation system?
A: No, Cosmo ranges are generally not compatible with downdraft ventilation.
Pros and Cons of Cosmo COS305AGCBK Nebula Collection 30" Professional Style Gas Range
Pros
Cons
Conclusion
The Cosmo COS-305AGC-BK is a solid choice for home cooks looking for a professional-style gas range at a budget-friendly price. It delivers strong cooking performance, versatile burners, and a simple, durable design, making it excellent value. Buyers should note the limited digital features and potential long-term durability considerations. Overall, most users are very satisfied with the upgrade it brings to both functionality and kitchen aesthetics.
| Width | |
| Exterior Width | 30" |
| Width | 29 13/16" |
| Depth | |
| Depth | 27" |
| Depth without Handles | 25" |
| Height | |
| Height | 37 1/4" |
1 Year Parts and Labor
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
We offer free in-home delivery to most serviceable zip codes for orders over $599.
Our Online Members-Only Price Includes*:
Extended Warranty
Free Installation
Bonus Rewards
Manufacturer rebates, instant savings, and product discounts — all in one place.
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.