Should I replace my 25 year old microwave?

Author: Elody Bosco  |  Last update: Wednesday, June 10, 2026

If your microwave is still in good working condition, but simply lacks the latest features, you may want to hold off on purchasing a new one. However, if your microwave is exhibiting signs of wear and tear, or if it is over ten years old, then it may be time to consider upgrading to a newer model.

Is a 25 year old microwave safe?

Microwave ovens typically have a lifespan of about 10 to 15 years, depending on usage and maintenance. After this period, they may still work, but their efficiency and safety can diminish. It's important to regularly check for signs of wear, such as unusual noises, arcing, or door seal issues.

At what age should a microwave be replaced?

With normal usage for an average family and good maintenance, a microwave often lasts for 7 to 8 years. If the microwave is used less frequently by a single person or a couple and is well-maintained, the lifespan can increase to up to 10 years.

Should I replace my 20 year old microwave?

Most microwaves are designed to function for 10 years. This means even if yours is over 10 years old and still working perfectly, you should still consider replacing it. In some cases, you may be forced to replace your microwave even before it hits the 1-decade mark.

What is the life expectancy of a microwave?

The average microwave oven lasts about seven years with normal use, yet even less with heavy use and poor maintenance. A large family may find themselves replacing their appliance every four to five years as they become more reliant on its use to heat snacks and leftovers or to defrost meals.

Microwaves You Shouldn't Buy!

Can I use a 30 year old microwave?

You want your food being cooked, not you! Microwaves older than 10 years or with faulty doors should be replaced immediately in order to reduce radiation exposure while you cook.

When should you throw out your microwave?

On average, microwaves last 7-8 years.

How do I know if I need a new microwave?

When to replace the microwave? Common signs that your microwave needs changing
  1. Making funny noises.
  2. Smells like electrical burning.
  3. Isn't cooking food in the usual time or cooking unevenly.
  4. Needs help to work properly – such as a spoon to hold the door closed.
  5. Keypad has stopped working.

Why we don't throw out old microwaves?

Don't Toss Out Your Broken Microwave

Because of their electrical components, microwave ovens are considered e-waste in some places, and improper disposal will get you some serious fines and/or into a bit of legal trouble.

How do I know if my old microwave is safe?

6 Signs It's Time to Replace Your Microwave
  1. Smoke, sparks, and burning smells. These are signs of a serious and urgent problem. ...
  2. Food isn't cooking properly. ...
  3. It makes horrible sounds as it cooks. ...
  4. The door doesn't seal properly. ...
  5. The keypad doesn't function. ...
  6. It's over 10 years old.

What is the best microwave in Australia?

7 best microwave ovens in Australia
  • LG NeoChef 23L 1000W Smart Inverter Microwave Oven, $177 at The Good Guys.
  • Panasonic 27L 1000W Flatbed Inverter Microwave, $349 at The Good Guys.
  • Westinghouse 40L Benchtop Black Microwave, $199 at The Good Guys.
  • LG 56L NeoChef Smart Inverter Microwave, $449 at The Good Guys.

Should I replace my old microwave?

Factors to Consider

Age of the Microwave: Microwaves typically last about 7 to 10 years, so if yours is in the 7-year range or older, repairs might only offer a temporary fix, making replacement the better long-term option.

What happens when a microwave gets old?

As a magnetron ages the emitted waveform becomes less pure and “splashy". This makes it less efficient. In Radar terms a splashy magnetron has to be replaced immediately For cooking purposes the chicken will still get cooked but maybe not as quickly.

Are newer microwaves better?

Newer models often come with energy-efficient options, preset cooking programs, and intuitive controls, making them more user-friendly and efficient than their older counterparts.

What is the life expectancy of a microwave magnetron?

Magnetron tubes have a lifetime of only a few thousand hours—from 2,000 hours up to 8,000 hours depending on the tube.

What is the best microwave brand?

As the best microwave overall, we chose the Panasonic Microwave Oven; it combines a 1,200-watt motor with a compact exterior. If you're looking to save money and space, the Commercial Chef Countertop Microwave is the best budget microwave: simple but effective, much like microwave cooking itself.

Is a 20 year old microwave safe?

If your microwave is still in good working condition, but simply lacks the latest features, you may want to hold off on purchasing a new one. However, if your microwave is exhibiting signs of wear and tear, or if it is over ten years old, then it may be time to consider upgrading to a newer model.

What do you do with an old microwave?

Your regular garbage collector may have e-waste drop-off locations that are not publicized. Contact your trash pickup service for more information. Similarly, local recyclers may also have e-waste drop-off locations where you can dispose of your microwave safely.

What shortens the life of a microwave?

If you don't clean your microwave regularly, accumulated grime and food particles can cause performance issues. This buildup can affect how your microwave heats and operates, leading to inefficiency and potential damage. Make sure to wipe down the inside of your microwave frequently to remove any spills or splatters.

What usually goes out on a microwave?

Understanding the most common parts that can break in a microwave, such as the magnetron, door switches, turntable, control panel, and high voltage components, can help users identify issues early and seek professional repairs or replacements.

Should I buy second hand microwave?

Are second-hand microwave ovens reliable? Yes, if purchased from reputable sellers like Lucky White Goods, they are thoroughly tested for quality and performance. How do I choose the right microwave for my kitchen? Consider size, power, and features like inverter technology to match your cooking needs.

When should you buy a new microwave?

Our survey team recommends that you repair any higher-end OTR microwave that's 4 years old or less and consider repairing one that's 5 to 7 years old. Replacement is recommended for any OTR microwave that's 8 years or older.

Do microwaves wear out over time?

Over-the-range microwaves are built into the cabinetry and bolted to a wall, so replacing one that conks out is no simple chore. To avoid replacing yours more than about once every 10 years—which is how long most manufacturers tell us they should last—you'll want to take care of it.

How to test your microwave?

Heat the water for exactly 2 minutes and 30 seconds on the High power level. The High power level is the default heat setting on the Microwave. A temperature rise in the range of 28 to 40 degrees Fahrenheit (15 to 22 degrees Celsius) indicates that the Microwave oven is heating/cooking properly.

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