The COSMO COS-ERC304KBD is a 30-inch freestanding electric range with a 4.8 cu ft oven and radiant cooktop that covers the basics at a mid-range price of around $1,078. Review volume is too thin to draw strong reliability conclusions, but the spec set is competitive for the price.
Buyers replacing a standard 30-inch electric range who want a roomy 4.8 cu ft oven and don't need smart features or a convection fan. Works well in kitchens already wired for 240V.
Skip if
You want verified long-term reliability data before buying, this model has only one review on record. Also skip if you need a gas cooktop or smart home connectivity.
Capacity 4.8 cu ft
Fuel type Electric
Heating Radiant
Burners / elements 4
Installation Freestanding
Width 29.9 in
Priced 28% below the category median ($1,499.00 across 135 tracked models)
Burners / elements of 4 - lower than 60% of the 135 models we track
Width of 29.9 in - narrower than 65% of the 135 models we track
Our scorecard
4.0/5overall
Owner rating5.0/5
5.0 average across 1 owner ratings
Value for money3.9/5
$225 per cubic foot, below the category median
Popularity2.5/5
1 owner reviews, more than most models here
Storage space2.5/5
4.8 cu ft, compact for this category
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other kitchen ranges, cooktops, wall ovens, range hoods and microwaves we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
The COSMO COS-ERC304KBD slots into the standard 30-inch opening and runs on 240V, making it a direct swap for most existing electric ranges. The radiant cooktop uses four burner elements beneath a smooth glass surface, which is easy to wipe down but slower to respond than gas or induction. At 4.8 cu ft, the oven cavity is on the larger end for a 30-inch class range, giving you room for full sheet pans or a large roasting bird.
Knob controls keep the interface simple and mechanical, no touchscreen to worry about or firmware to update. The polished finish adds a cleaner look than painted alternatives, though polished surfaces do show fingerprints more readily. At 190 lb the unit is solidly built for its class.
With only a single customer rating on record, there's no meaningful buyer consensus on real-world durability or cooking performance. The specs are solid on paper, but shoppers who value a track record before committing to a $1,000+ appliance may want to wait for more reviews to accumulate.
Pros
Generous 4.8 cu ft oven for a 30-inch range
Radiant smooth-top cooktop is easy to clean
Simple knob controls with no software dependencies
Polished finish looks sharp in modern kitchens
Standard 30-inch freestanding fit for easy replacement
Cons
Only one review, reliability track record is unknown
Radiant heating is slower to respond than gas or induction
No convection or smart home features at this price
Polished finish shows fingerprints easily
Specifications
Capacity
4.8 cu ft
Fuel type
Electric
Heating
Radiant
Burners / elements
4
Installation
Freestanding
Width
29.9 in
Controls
Knob
Finish
Polished
Dimensions
27 X 29.9 X 36.1 In
Weight
190.0 lb
Voltage
240 Volts
Smart
Not Smart Home Compatible
Performance notes
Radiant cooktop with 4 elements; 4.8 cu ft oven cavity; 240V / 30-inch / 190 lb; dimensions 27 x 29.9 x 36.1 in; knob controls; polished finish; not smart home compatible.
What buyers say
With just one rating on record, there's no reliable buyer consensus. The single reviewer gave it top marks, but one data point isn't enough to read into. Buyers should approach this as a relatively unproven model and weigh that against the competitive spec sheet.
Does the COSMO COS-ERC304KBD require a special outlet?
Yes, it runs on 240 volts, so you'll need a standard 240V/4-prong range outlet, the same type most North American kitchens already have wired for an electric range.
Does this range include a convection oven?
The listed specs do not indicate a convection fan. It's a standard bake/broil electric oven.
How wide is the COSMO COS-ERC304KBD?
It is 29.9 inches wide and designed to fit a standard 30-inch range cutout in a freestanding installation.
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