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COSMO COS-305AGC 30 in. 5.0 cu. ft. Freestanding Single Oven Gas Range with 5 Burner Cooktop and Heavy Duty Cast Iron Grates in Stainless Steel

  • Based on 13 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
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Arrives Saturday, Oct 25
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Features

  • 5 SEALED BURNERS: High-performance gas burners which allow you to cook from a high heat for boiling, frying, or searing to a low simmer for delicate sauces. Includes a 18,000 BTU Burner, 12,000 BTU Burner, two 6,000 BTU Burners and 3,500 BTU Burner
  • CONVECTION OVEN: Features a fan-assisted circular heating element designed to heat food more evenly, in less time, and at a lower temperature than in a standard oven. 5.0 cu. ft. oven capacity with 4 functions: Bake, Broil, Convection Fan, Light. Oven equipped with 15,000 BTU Bake Burner and 7,500 BTU Broil Burner
  • MODERN EUROPEAN DESIGN: Part of the Nebula Collection. Blends seamlessly with other stainless steel kitchen appliances for modern home makeovers
  • HEAVY-DUTY CONSTRUCTION: Constructed of corrosion-resistant stainless steel that easily wipes clean and heavy-duty cast iron grates for heat retention and distribution
  • 1-YEAR LIMITED: Our customer support team is based proudly in the USA. Dimensions: 29.8 (W) x 25 (D), 36.1 - 37.3 (H). Electrical: 120V/60Hz, 3-Prong Plug. Liquid Propane Conversion Kit sold separately

Description

Cosmo’s COS-305AGC single oven gas range in stainless steel 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.

Drawer Type: Storage


Material: Stainless Steel


Finish Type: Stainless Steel


Brand: COSMO


Model Name: COS-305AGC


Brand Name: ‎COSMO


Model Info: ‎COS-305AGC


Item Weight: ‎229 pounds


Product Dimensions: ‎25 x 29.8 x 37.75 inches


Item model number: ‎COS-305AGC


Efficiency: ‎High Efficiency


Capacity: ‎5 Cubic Feet


Installation Type: ‎Slide-In


Part Number: ‎COS-305AGC


Form Factor: ‎Single Oven


Special Features: ‎Heavy-Duty Continuous Cast Iron Grates, Convection Oven With 2 Removable Oven Racks


Oven Cooking Mode: ‎Convection


Burner type: ‎Sealed


Drawer Type: ‎Storage


Heating Elements: ‎5


Color: ‎Stainless Steel


Control Console: ‎Knob


Voltage: ‎1.2E+2 Volts (AC)


Racks: ‎2


Fuel type: ‎Gas


Crispers/Drawers: ‎1


Certification: ‎ETL


Material Type: ‎Stainless Steel


Included Components: ‎Range


Batteries Required?: ‎No


Date First Available: April 14, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 25

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Top Amazon Reviews


  • Cosmo 305, installed and ready to go.
So far, so good. Looks great and feels solid. Installation was easy and no parts missing. Was looking for a range with manual controls and limited automation, this range seems to fit the bill. Time will tell on durability, but I am hoping that limited electronic controls will help on dependability.
Reviewed in the United States on August 5, 2025 by Chris H. Chris H.

  • Great appliance
Great looks, oven heats up very fast. Only thing I'm not a fan of is how loud the oven is.
Reviewed in the United States on September 8, 2025 by Faride Miller

  • Don't buy if you're an International customer.
I received this stove and everything seemed fine. Days in I experience problems getting the oven on and less than one month later (March 1st to be exact) in the middle of my baking the oven shut down and has not come back on since. I reached out to the seller. I sent pictures and videos to prove what I was experiencing, showed proof of my purchase and after all thar I was told I was not eligible for warranty because I shipped out of state. What if I purchased the extra warranty of 100 plus? I think these kind of information should be made known because I'm not eligible for warranty because I'm out of state but my money was taken even though I am of of state. I was then offered a 10% discount to purchase the part and it was made so complicated not going through several times that I just forgot it and asked to get a link to purchase without discount. My question why did I get trouble trying to purchase with discount and no trouble at all without discount? They probably weren't trying to help at all. So I'm still waiting for the Part and hoping it will work after installing it. Please buy Como appliances if you are an international customer. I'm truly angry and regret I ever purchased this oven. I hardly got any use of the oven before it stopped working. I got nothing from this company stating because I'm out of state. I was offered 10% invoice and it was set up so I never got to use it so I had to bare the cost of purchasing the part. I waited sooooo long to receive the part and now I set it up the oven lights then shuts down in 30seconds. This is the worst range I've ever bought in my life and there is no compensation for it. Now here I am ready to bake I have all my ingredients and started the process only to have to oven shutting down on me. Something is not right with this appliance. I thought I was buying a nice stove and I got the worst stove. I'm extremely angry at the moment and I'm posting this review because it hurts real bad. ... show more
Reviewed in the United States on March 26, 2025 by Mandy

  • OVEN RANGE COSMO
Great product. We really satisfied. Thank you.
Reviewed in the United States on June 2, 2025 by Fred Heidari Fred Heidari

  • Flashy
Okay so far no major issues 2 months later. Oven temp runs very accurate and the convention feature works very well. It arrived with no defects and installation was easy. The only thing so far that I'm not satisfied with is the plus button on the controls for the clock and timer gets stuck. Appliances might last you five years so I'm already looking into what the next piece of garbage will have to replace this one. ... show more
Reviewed in the United States on January 21, 2025 by Yaco Abreu Yaco Abreu

  • Bonafide POS!
If I could give this negative 1 million stars, I would. The oven quit working exactly one year and 2 days after the warranty ran out. No one knows how to fix it, and I mean no one. Oh, except for the place they told me was a certified dealer, which is more than 250 miles from my home. Yeah, okay. They refused to work with me on anything and kept asking me to send them the same information and videos repeatedly. Then I bought a new motherboard after I replaced the ignitor, and that didn't work. Oh, and there are no returns. So, I have a motherboard that I can't use. I may hang it on my Christmas tree. And, let's back up and let you know that the oven door fell off, yes, fell right off about 6 months after I got it. This company sucks, these appliances suck, and I would never ever tell anyone to buy them. The repairmen said they have never seen anything like it and have no idea how to fix it. What a joke. There, I said it. And, I said good day. ... show more
Reviewed in the United States on July 18, 2024 by Toni Rae

  • Very satisfied yes
Very happy with this oven
Reviewed in the United States on March 26, 2025 by Alfred

  • Cosmo
Good está muy bien
Reviewed in the United States on April 7, 2025 by Tardan demasiado en llegar Tardan demasiado en llegar

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