US
KoolMore

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.

Our verdict

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.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B09RDQNBF5Model: KM-WO30DCategory: Double Wall Ovens

Sizes Available

DoubleSingle

Need a different one? Pick on Amazon →

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

Pros
  • Two independent full-size ovens with convection
  • Proofing mode for bread baking
  • Large viewing windows with interior lighting
  • Self-cleaning in both cavities
Cons
  • 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

BrandKoolMore
ModelKM-WO30D
Dimensions & fit
SizeDouble
Door OrientationFront
Item Weight230 poundslower than 71% of 29 double wall ovens
Item Dimensions D x W x H23.5 × 23.5 × 51.2 inches
Capacity & performance
Capacity10 cu ft
Heating MethodConvection
Power & efficiency
Wattage8500 wattshigher than 70% of 24 double wall ovens
Fuel TypeElectric
Voltage240 volts
Construction & materials
Material TypeStainless Steel
ColorSilver
Finish TypesStainless Steel
Compatibility & installation
Installation TypeBuilt-In
Included components
Included ComponentsElectric Double Wall Oven With Racks
Warranty & support
Warranty Description1 year
Other details
Timer FunctionTimer Function Available

Closest rivals on specs

Compare all side by side

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.