So, you’re on the hunt for a new microwave, but your wallet is gently suggesting you look at the pre-loved market. Smart move! A top-notch Used Microwave Buying Guide is exactly what you need, because nabbing a second-hand deal can feel like a huge win. But let’s be real, it can also feel like a bit of a gamble. Will it be a kitchen workhorse or a countertop catastrophe? Don’t you worry. I’ve been around the microwave block more times than I can count, and I’m here to walk you through everything you need to know to find a reliable gem and avoid getting burned—figuratively, of course.
Microwaves are one of those kitchen appliances that are surprisingly resilient. Unlike more complex machines, a well-maintained microwave can have a very long and happy life reheating your leftovers. The key is knowing what to look for. This guide is your secret weapon, your pre-flight checklist to ensure you bring home a winner. Let’s dive into the nitty-gritty of scoring a fantastic deal.
Why Bother With a Used Microwave Anyway?
It’s a fair question. Why not just buy new? While a shiny new box has its appeal, there are some seriously compelling reasons to consider a used model.
- The Price is Right: This is the big one, isn’t it? You can often get a high-quality, feature-packed microwave for 30-50% of its original retail price. That’s more money in your pocket for, you know, things to cook in the microwave.
- Eco-Friendly Choice: Every time you buy used, you’re keeping a perfectly functional appliance out of a landfill. It’s a small but meaningful way to reduce e-waste and make a more sustainable choice.
- Access to Better Models: That high-end microwave with inverter technology and a convection oven feature that was out of your budget new? It might be perfectly affordable on the second-hand market. You can level-up your kitchen game without breaking the bank.
The Pre-Purchase Checklist: Your Essential Used Microwave Buying Guide
Alright, you’ve found a potential candidate online or at a garage sale. Before you hand over any cash, it’s time to play detective. A thorough inspection is non-negotiable.
First Things First: Size and Power
Before you even leave the house, know what you need. Nothing’s worse than getting a great deal on an appliance that doesn’t fit your space or meet your cooking needs.
- Measure Your Space: Get out the tape measure. Know the exact height, width, and depth of the spot where your microwave will live. Remember to leave a few inches of clearance around the back and sides for proper ventilation.
- Consider Capacity: Microwave capacity is measured in cubic feet. A compact model (around 0.7 cu. ft.) is fine for a dorm room or reheating coffee. A family might need something larger (1.2 cu. ft. or more) to fit bigger dinner plates and casserole dishes.
- Check the Wattage: Wattage is power. The higher the wattage (typically 900-1200 watts), the faster and more evenly your food will cook. I’d advise against anything under 700 watts unless you have the patience of a saint and only use it for popcorn.
The Hands-On Inspection: Kick the Tires
This is where you separate the treasures from the trash. Don’t be shy about giving the microwave a thorough once-over.
- Examine the Door: This is a critical safety component. Open and close it several times. Does it latch securely? Is the hinge wobbly or loose? Check the seal around the inside of the door. It should be intact, with no cracks, tears, or signs of burning. A damaged seal can lead to microwave leakage.
- Inspect the Interior: Look inside for any deep scratches, chipped paint, or—the big red flag—rust. Significant rust on the interior walls or ceiling is a deal-breaker, as it can interfere with the microwave distribution and become a safety hazard. A few stains are fine; corrosion is not.
- Check the Turntable: Make sure the glass turntable plate is present and isn’t chipped or cracked. Confirm that the roller ring underneath is also there and in good shape. A missing plate can be a hassle and an extra expense to replace.
- Look Over the Exterior: Dents and scratches on the outside are usually just cosmetic. However, pay close attention to the vents. Make sure they are clean and unobstructed. Also, check the power cord for any fraying, cracking, or exposed wires.
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Our Picks for the Best Microwave Oven in 2025
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| Num | Product | Action |
|---|---|---|
| 1 | Farberware 0.7 Cu. Ft. Countertop Microwave Oven – 700 Watts Power, Auto Cook Settings, Defrost, Easy Clean and Child Safety Lock - Stainless |
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| 2 | Cooks Innovations Non-Stick Oven Protector Mat - Heavy Duty Nonstick Oven Rack Liners to Protect Convection, Electric, Gas, & Microwave Ovens - BPA & PFOA Free Heat Resistant Baking Mat |
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| 3 | COMFEE\' EM720CPL-PMB Countertop Microwave Oven with Sound On/Off, ECO Mode and Easy One-Touch Buttons, 0.7cu.ft, 700W, Black |
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| 4 | Chefman Countertop Microwave Oven 1.1 Cu. Ft. Digital Stainless Steel Microwave 1000 Watts with 6 Auto Menus, 10 Power Levels, Eco Mode, Memory, Mute Function, Child Safety Lock, Easy Clean |
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| 5 | TOSHIBA ML-EM09PA(BS) Small Microwave Oven with 6 Auto Menus, Mute Function & Child Lock, LED Lighting, Perfect for Apartment, 0.9 Cu Ft, 10.6 Inch Removable Turntable, 900W, Black Stainless Steel |
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| 6 | Breville BOV450XL Mini Smart Countertop Oven and Toaster Oven, Small, Brushed Stainless Steel |
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| 7 | BLACK+DECKER Digital Microwave Oven with Turntable Push-Button Door, Child Safety Lock, Stainless Steel, 0.9 Cu Ft |
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| 8 | Chefman Countertop Microwave Oven 0.7 Cu. Ft., 700 Watts with 10 Power Levels, 6 Cooking Presets with One-Touch Express Cook, Eco Mode, Child Safety Lock, & Mute Button - Black |
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| 9 | TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu Ft, 12.4\" Removable Turntable Smart Humidity Sensor 12 Auto Menus Mute Function ECO Mode Easy Clean Interior Black Color 1000W |
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| 10 | BLACK+DECKER EM720CB7 Digital Microwave Oven with Turntable Push-Button Door, Child Safety Lock, 700W, Stainless Steel, 0.7 Cu.ft |
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The All-Important Functionality Test
You would never buy a used car without a test drive, right? The same logic applies here. You must see it in action.
“A simple cup of water is the best diagnostic tool you have when buying a used microwave. It tells you almost everything you need to know about the core function of the machine in about two minutes.” – John Miller, seasoned appliance technician with over 15 years of experience.
Here’s how to do it:
- Plug It In: First and foremost, make sure it powers on. Does the display light up?
- The Water Test: Place a microwave-safe cup filled with about a cup of water inside. Close the door and set the microwave to cook on high for one minute.
- Listen and Watch: While it’s running, listen for any strange noises. A gentle hum is normal. Loud buzzing, grinding, or clanking sounds are major red flags. Also, confirm the interior light works and the turntable is rotating smoothly.
- Check the Results: After one minute, carefully open the door. Is the water hot? It should be steaming. If the water is still lukewarm or cold, the magnetron—the part that actually generates the microwaves—is likely failing. Walk away.
- Button Check: If the water test passes, take a minute to press all the buttons on the keypad. Make sure each one registers properly. Test a few pre-programmed settings like “Popcorn” or “Defrost” to see if they initiate a cycle.
Major Red Flags: When to Walk Away Immediately
Sometimes, the answer is a hard “no.” Here are the non-negotiable deal-breakers:
- Any Burning Smells: A faint “hot electronics” smell might be okay if it’s been in storage, but a distinct smell of burning plastic or smoke is a sign of a serious electrical problem.
- Sparks or Arcs Inside: If the seller demonstrates it and you see any sparks inside (with nothing metallic in it), run. This is a serious malfunction.
- A Damaged Door or Seal: As mentioned, this is a critical safety issue. Don’t risk it.
- Excessive Rust Inside: A tiny spot might be treatable, but widespread rust is a sign of a compromised interior and it’s time to look elsewhere.
- It Fails the Water Test: If it can’t heat a cup of water, it has failed its one primary job.
How to Clean and Sanitize Your “New” Appliance
Congratulations! You followed the used microwave buying guide and found a great machine. Before you start zapping your leftovers, it’s crucial to give it a deep clean.
- Create a Cleaning Solution: In a microwave-safe bowl, mix one cup of water with a few tablespoons of white vinegar or the juice of half a lemon.
- Steam Clean the Interior: Place the bowl inside the microwave and run it on high for 3-5 minutes, or until the liquid is boiling and the window is steamy.
- Let it Sit: Keep the door closed for another 5 minutes after it’s done. The steam will loosen all the caked-on gunk and grime.
- Wipe It Down: Carefully remove the hot bowl and the turntable. Wipe the entire interior—ceiling, walls, floor, and inside of the door—with a sponge or paper towel. The grime should come right off.
- Wash Removable Parts: Wash the glass turntable and roller ring in warm, soapy water, just like you would any other dish.
- Clean the Exterior: Wipe down the outside of the microwave with an all-purpose cleaner or a damp cloth to make it shine.
Frequently Asked Questions (FAQ)
Q: Is it safe to buy a used microwave?
A: Yes, it is generally safe as long as you perform a thorough inspection. The most critical safety check is the door and its seal. If the door closes tightly and the seal is completely intact with no cracks or damage, the risk of harmful microwave leakage is extremely low.
Q: How long do microwaves typically last?
A: A modern microwave oven has an average lifespan of about 7-10 years with regular use. When considering a used model, try to get a sense of its age. If it looks like a well-cared-for model that’s only a few years old, you can reasonably expect many more years of service.
Q: What’s a good wattage for a used microwave?
A: For general-purpose use like reheating food and cooking simple meals, look for a microwave with at least 900 watts. If you can find a model with 1000 to 1200 watts in good condition, that’s even better, as it will provide faster and more consistent cooking results.
Q: What are the best, most reliable microwave brands to look for?
A: Brands like Panasonic, LG, Sharp, and Toshiba have a long-standing reputation for building durable and reliable microwave ovens. While any brand can produce a lemon, you generally have good odds when buying a used model from one of these established manufacturers.
Q: Can I replace a missing turntable plate?
A: Yes, you can almost always find a replacement turntable plate online by searching for the microwave’s model number. However, they can cost between $15 and $40, so be sure to factor that extra cost into the price you’re willing to pay for the unit.
Final Thoughts on Your Purchase
Navigating the world of second-hand appliances doesn’t have to be intimidating. With this used microwave buying guide in hand, you’re now equipped with the expert knowledge to make a confident and intelligent decision. The goal is to find that sweet spot between saving money and getting a reliable kitchen appliance that will serve you well for years to come. Remember to inspect it thoroughly, test its core function, and trust your gut.
Happy hunting, and may your future leftovers be perfectly reheated! If you have any success stories or extra tips, feel free to share them in the comments below.