
KoolMore KM-WO30D-SS Electric Double Wall Oven
- Capacity: 10 cu ft
- Size: Double
- Heating Method: Convection
- Installation Type: Built-In
Last refreshed Jun 13, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A double wall oven that bakes evenly and includes a genuine proofing mode, but hinge and fan reliability issues in the first months have affected a portion of buyers.
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ASIN: B09RDQNBF5Model: KM-WO30DCategory: Double Wall Ovens
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Overview
The KoolMore KM-WO30D-SS is a 30 inch electric double wall oven with two independent cavities, convection fans and seven cook and baking modes including proofing. It self-cleans and mounts flush for a built-in look, finished in stainless steel. Aimed at bakers and cooks who want two full ovens instead of one, sized for standard wall oven cutouts.
Several buyers who compared major appliance brands before purchasing chose KoolMore over more established names and describe the ovens as evenly calibrated for baking bread, roasting and proofing dough. Reliability reports are mixed over the first several months: some owners hit no issues, while others describe a snapped hinge pin causing door misalignment, a screeching fan noise, or a top oven that stopped holding temperature. One buyer resolved a persistent fan noise only after KoolMore shipped replacement fans.
- 30 inch double wall oven, two cavities
- Seven cook and baking modes plus proofing
- Convection heating with self-cleaning
- Flush-mount stainless steel design
Who it's for
Suits a kitchen renovation or oven replacement where two full ovens and a proofing mode matter more than sticking with an established appliance brand. Less suited to anyone who wants a long multi-year track record, since some owners hit hinge, fan or temperature holding issues within the first few months.
Pros and cons
- Two independent full-size ovens with convection
- Proofing mode for bread baking
- Large viewing windows with interior lighting
- Self-cleaning in both cavities
- Some units developed a screeching or high pitched fan noise within months
- One reported hinge pin failure causing door misalignment
- Controls can be hard to read due to grey text on a black background
- Ships with only two racks despite being a double oven
Performance notes
Convection fans in both cavities circulate heat for more even results across baking, roasting and proofing, with the proofing mode specifically useful for bread dough that needs a controlled warm environment. Self-cleaning runs in both the upper and lower ovens independently. Large viewing windows and interior lighting let cooks check progress without opening the door and losing heat.
Specifications
| Brand | KoolMore |
|---|---|
| Model | KM-WO30D |
| Dimensions & fit | |
| Size | Double |
| Door Orientation | Front |
| Item Weight | 230 poundslower than 71% of 29 double wall ovens |
| Item Dimensions D x W x H | 23.5 × 23.5 × 51.2 inches |
| Capacity & performance | |
| Capacity | 10 cu ft |
| Heating Method | Convection |
| Power & efficiency | |
| Wattage | 8500 wattshigher than 70% of 24 double wall ovens |
| Fuel Type | Electric |
| Voltage | 240 volts |
| Construction & materials | |
| Material Type | Stainless Steel |
| Color | Silver |
| Finish Types | Stainless Steel |
| Compatibility & installation | |
| Installation Type | Built-In |
| Included components | |
| Included Components | Electric Double Wall Oven With Racks |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Timer Function | Timer Function Available |
Closest rivals on specs
Rangaire RWOD301GS Glass Touch Double Wall Oven- Item Weight 230 vs 269 pounds (-14%)
Frequently asked questions
Does the KoolMore KM-WO30D-SS have a proofing mode for bread?
Yes, one of its seven cook and baking modes is a dedicated proof setting, which owners have used successfully for sourdough and other bread dough.
How many racks come included?
It ships with two racks total, which at least one owner felt was low for a double oven of this size.
Have owners reported reliability problems?
Some report no issues after months of regular use, while others describe a snapped hinge pin, a high pitched fan noise, or a top oven that stopped holding temperature within the first few months.

