It still offers excellent capabilities like nine different menu buttons for specific foods, but the design makes things easy without the need to learn any new controls. The model also sports an interior, Teflon-like finish called EasyClean, which is designed to allow you to wipe down spills easily (although if you are wondering how to clean a microwave that’s truly dirty, we’ve got some more detailed information for you). The model also comes in both standard and black stainless steel, although the black stainless version is a little more expensive, so you may lose out on the excellent cost savings that come with this Kenmore if you go for that option instead. It has 10 power settings.

Wattage is not only about size, but also about how powerful the microwave is. If your microwave has 1,000 watts of power or more, it’s going to be very effective at heating. If it has a lower wattage, you may need to temper your expectations: the best way to microwave a potato, for example, may vary based on wattage, especially if you’re making a big change from your old model to the new one.

Over-the-range microwaves give you the convenience of quick reheating without sacrificing counter space. This 1.9-cubic-foot model from Whirlpool is available in multiple colors and finishes, including fingerprint-resistant stainless steel. Featuring 1,000 watts of power, it's also equipped with a 300 CFM ventilation system to keep odors and smoke from your cooktop under control. Customers particularly love the inclusion of the three-speed fan. Reviewers found installation to be fairly straightforward, but some noted that the instructions for all the settings aren't very clear.

The Toshiba microwave is covered by a one-year warranty, and the claims process is better than what most manufacturers offer. Typically they require you to ship the unit to and from a service center at your own cost, which likely costs as much as or more than the microwave itself. If anything should go wrong with the microwave under warranty, Toshiba will not repair the unit. Instead, they’ll issue you a refund check, which, according to the representative we spoke to, can take anywhere from four to eight weeks. Just know that you’ll need to provide your original receipt, the cut power cord from your unit, and the model number label in order to receive the refund. Contact Toshiba’s customer support center for more information.
Over the range microwaves are a different sort of beast – they typically have extra features like air flow fans underneath their base (used to clear smoke off stoves, which can add to the cost) and tend to be larger than other options. With 300 CFM of air flow and two speed fan controls, this GE model can handle over the range tasks as necessary. That spacious 1.6 cubic ft countertop microwave is also great for larger dishes.
We wanted to find microwaves that could cook a variety of foods, including frozen meals, popcorn, and whole potatoes, quickly and evenly. Some models have functions that cook food using preprogrammed time and power level settings. Others use built-in sensors that automatically adjust the cooking time based on the amount of steam emanating from the food. But regardless of the technology used, none of the microwaves we tested were perfect. Some microwaves had a more accurate baked-potato setting, while others were better at defrosting ground beef. We’d recommend choosing a microwave that excels at cooking the food you plan to prepare most often.

The included turntable is easy to remove for cleaning, and the large programming screen allows you to specify power levels, cooking times, and menu options for shortcuts and more complex cooking tasks. If you aren’t a fan of all those automatic options, then there are an amazing 14 auto-cook options for menu buttons that can cook a specific kind of food. Even the start button stands out and is easy to use.

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Consider both a microwave's dimensions and capacity as you shop. If you’re looking for an OTR or built-in model, it’s important to choose the proper size for the space, especially if you’re replacing an existing microwave. Also, make sure to check that the door has clearance to open. You have more leeway if you’re buying a countertop model, but it’s still important to measure that area in your kitchen.
If you really want microwave power levels that function accurately, look for a microwave with an inverter. What is an inverter microwave? Essentially, it uses a different type of microwave production that actually does change the power levels and heating. Set power to 5, and the inverter will make sure heating is at 50%. Other types of microwaves will use a cycling method, where the power is always set to 100% but at level 5 it cycles half as much as at level 10. Inverter technology tends to make power levels much more effective and sensible, but either way it’s important to know what you’re getting into.
The Panasonic NN-T945SF offers 2.2 cubic feet of interior space and 1,250 watts of power to heat food in less time than much of the competition. “It offers power levels from 1-10 with 10 being the highest,” explained one of our testers, “and I found that even using level 5, the microwave is able to heat the food very quickly and evenly.” Other pluses include the sleek stainless steel appearance and 14 auto cook options. If you frequently use your microwave to cook, steam, or defrost, you’ll appreciate the built-in inverter, which delivers consistent heating power that won’t leave food rubbery or unevenly heated. People find the display and controls to be easy enough to use, but a few online reviewers said they experienced button failure for the door after several years. The microwave is also quite large, so it's not a good choice for small homes.
The defrost options (varying by type or weight) are ideal if you want to warm something up with the microwave before cooking with the convection setting. If you have a busy kitchen and want multiple ways to cook foods (instead of just nuking the occasional popcorn bag), Cuisinart delivers. About the only thing that it’s missing is the ability to set power levels, but with all these other features, that’s a minor quibble to be had.
If you need a new oven range microwave, then it needs to have the right features for your oven setup. Not only does it need to fit in the same space, but it also needs to handle the same (if any) venting capabilities. Our GE pick is a great option because it can fit in many different types of kitchens, but you need to match features to your requirements.
You may be a bit limited in your choice of OTR microwaves because you’ll need a model that fits snugly above your stove. Most people also want an appliance that matches their range. And, unfortunately, OTR microwaves are more complicated to install, especially if you haven’t had one before. In these instances, you may need to hire an electrician, which can drive up the overall cost of your new microwave. 
Reviews.com makes money through affiliate partner links: If you click on a link, we may earn a commission. Our writers and editors create all reviews, news, and other content to inform readers, with no influence from our business team. Learn more about how we make money. We take pains to ensure our site is accurate and up to date, but some information might be different than what you find by visiting a vendor website. All products are presented without warranty.
Microwaves come with a slew of cooking functions, but Franke told us, “There are so many features on microwave ovens and people just don’t use them. And I’ll admit that I use the minute-plus feature on mine more than anything else.” Though other cooking functions may not get used frequently, we still put them through their paces on the models we tested.
Toshiba makes microwaves in other sizes too: 1.2, 1.5, and 1.6 cubic foot, all of which have slightly different internal parts and control panels. However, after testing the 0.9 and 1.2 cubic foot models for this guide, we think the former is the best for most people because it’s simpler to use and takes up less space. You can’t fit a 9-by-13-inch casserole dish in the cavity of the 0.9-cubic-foot unit, but its 10.5-inch turntable is still wide enough to fit an 11-inch dinner plate or a 9-inch square casserole dish. At 900 watts, the 0.9-cubic-foot Toshiba also packs a lot of power for its size. It measures 19.1 by 16.1 by 11.5 inches, so it’s a nice midsize option that falls in between the two other microwaves we recommend. And while we realize the control panel looks straight out of the ’90s, the microwave is available in a stainless steel or black stainless steel exterior, so it will fit the aesthetic of most kitchens.
Microwave heating can be deliberately uneven by design. Some microwavable packages (notably pies) may include materials that contain ceramic or aluminium flakes, which are designed to absorb microwaves and heat up, which aids in baking or crust preparation by depositing more energy shallowly in these areas. Such ceramic patches affixed to cardboard are positioned next to the food, and are typically smokey blue or gray in colour, usually making them easily identifiable; the cardboard sleeves included with Hot Pockets, which have a silver surface on the inside, are a good example of such packaging. Microwavable cardboard packaging may also contain overhead ceramic patches which function in the same way. The technical term for such a microwave-absorbing patch is a susceptor.[43]
This GE microwave oven with a 16-inch turntable proves you don't need to spend a bundle to get perfectly "baked" potatoes, steamed broccoli, or evenly heated mac 'n cheese. Thanks to a smooth control panel with lettering that contrasts well with the background, it's super easy to read the display and wipe it clean. If stainless steel isn't your style, this model also comes in black and white. 
However, lower-frequency dielectric heating, as described in the aforementioned patent, is (like induction heating) an electromagnetic heating effect, the result of the so-called near-field effects that exist in an electromagnetic cavity that is small compared with the wavelength of the electromagnetic field. This patent proposed radio frequency heating, at 10 to 20 megahertz (wavelength 30 to 15 meters, respectively).[5] Heating from microwaves that have a wavelength that is small relative to the cavity (as in a modern microwave oven) is due to "far-field" effects that are due to classical electromagnetic radiation that describes freely propagating light and microwaves suitably far from their source. Nevertheless, the primary heating effect of all types of electromagnetic fields at both radio and microwave frequencies occurs via the dielectric heating effect, as polarized molecules are affected by a rapidly alternating electric field.
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