Is it cheaper to repair or replace a microwave?

Author: Maxime Mertz  |  Last update: Monday, March 2, 2026

Replacement: A good rule of thumb is if the repair costs more than 50 percent of what it would cost to buy a new microwave, it's usually smarter to replace it. Frequency of Use: If your microwave is a daily essential and the issue is minor, a repair might be worth it to keep your routine running smoothly.

Is it worth trying to fix a microwave?

Yes, a microwave is often worth repairing. Often, the issues plaguing a microwave can be fixed for a fraction of the cost of replacement. Repairs can extend the lifespan of your microwave and save you money.

How many years should a microwave last?

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.

What is the average cost to repair a microwave?

It costs an average of about $175 to repair a microwave, with a range of about $50 to $500. Most homeowners will pay $100 to $200, including labor and parts, depending on the brand, model, and broken parts.

What is the most expensive part of a microwave?

The magnetron and the transformer are typically the most expensive parts of a microwave. Replacing a magnetron can cost anywhere between $100 and $200, depending on the make and model of the microwave, and replacing a transformer costs between $100 and $300.

Are Microwaves Worth Repairing or Are They Disposable?

How much should I pay for a good microwave?

How much does a microwave oven cost? Schiffmann said you should expect to spend between $100 and $150 on a good 800 to 1,000-watt microwave, and a bit more as wattage increases. You'll also pay more for extra features, like convection settings or lots of presets.

Is it worth replacing a microwave magnetron?

These are safety red flags, and fixing them might not be worth the hassle — or the risk. Faulty Magnetron: The magnetron is the part that heats your food. If it goes bad, the cost to replace it can be almost as much as buying a new microwave.

What is the common problem with a microwave?

Probably the most common issue of any microwave is when the plate doesn't turn. The turning plate helps cook and reheat your food evenly, so it's a major headache when it's not working. Usually, the problem could be from something obstructing the spinning assembly.

When should a microwave be replaced?

According to Consumer Reports, these magical appliances typically last around nine years. That number can vary, depending on how often you use it and the brand. Though microwaves can be repaired, it's often more cost effective just to get a new one and send your old one to be recycled.

How much does it cost to remove and install a new microwave?

Most microwave installations cost between $109 and $192, although you may spend as much as $400 to $600 to install over-the-range, built-in, or drawer microwaves. Other factors like adding outlets and custom cabinetry might drive up your final price. U.S.

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.

What causes a microwave to go bad?

It may be a damaged power cord, a bad fuse, or a malfunctioning circuit board – all of which are issues with the microwave itself. This microwave failure may also be from a natural cause. Have there been any power surges or storms near you? That can cook the wiring in your appliance.

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.

Is a 10 year old microwave worth repairing?

Our survey results suggest that you should consider repairing the broken microwave if it's still under warranty or if it's 5 years old or less, but you'll definitely want to replace it if it's more than 5 years old. Once you spend $500 or more on an OTR microwave, there are more decision points.

What damages microwaves?

Generally, metal pans or aluminum foil should also not be used in a microwave oven, as the microwaves are reflected off these materials causing the food to cook unevenly and possibly damaging the oven. The instructions that come with each microwave oven indicate the kinds of containers to use.

Is it better to fix a microwave or buy a new one?

Cost-effectiveness: Repairing a microwave can be more affordable than buying a new one, which can save you money. By repairing your microwave, you can extend its lifespan and avoid the expense of a new appliance – especially for built-in models.

What are the symptoms of a bad magnetron in a microwave?

One of the most common issues with a malfunctioning Magnetron is the lack of heating. If your microwave is running but not producing heat, it could be due to a faulty Magnetron, burned-out filament, or a malfunctioning high-voltage diode.

Is it OK to use a 20 year old microwave?

Microwaves older than 10 years or with faulty doors should be replaced immediately in order to reduce radiation exposure while you cook.

What usually breaks in 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.

What causes a microwave to go dead?

Issues with the door switch, internal fuse, magnetron, diode, high-voltage capacitor, and electronic control board are common causes of microwave malfunctions, requiring repair or replacement by a technician.

How much does a new magnetron cost?

Cost to replace a magnetron

Microwave magnetron prices are $50 to $200 for the part alone. A failed magnetron often means other parts like the diode also need replacing. The cost to replace a magnetron in a GE microwave is $120 to $380.

How do you know when a microwave needs replacing?

Here are the telltale signs that it's time to start shopping for a new microwave.
  1. Smoke, sparks, and burning smells.
  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 does a microwave with a bad magnetron sound like?

A screaming or screeching sound that's hard to ignore is usually caused by a defective or worn-out magnetron.

How much does it cost to get a microwave fixed?

Repair versus replace

Ilya Uvaydov, owner of Urban Appliances Repair in Daly City, California, says the only microwaves he typically repairs are high-end models made by Viking, Thermador and other luxury brands. The cost to fix these units ranges from $200 to $600, depending on the problem.

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