Refrigerator Maintenance: How to Extend the Life of Your Fridge

We don’t think much about our fridge until it stops working. It hums in the background, 24/7, keeping our food fresh and drinks cold. But did you know that a little bit of regular care can keep your fridge running for 15 years or more? Some models, like those from Bosch or LG, even last close to 20 years when properly maintained.

The trick? It’s not fancy repairs or complicated tech. It’s just basic, consistent maintenance. Here’s a guide anyone can follow to keep their refrigerator in great shape, whether you own or rent, or even if you fix appliances for a living.

Best Everyday Habits for a Long-Lasting Fridge

1. Keep It Clean (Inside and Out)

Let’s start with the outside, specifically, the condenser coils. They usually live on the back or underneath your fridge. When dust and pet hair pile up on them, your fridge has to work harder. That extra effort shortens its lifespan.

What to do: Every 6 to 12 months (or more often if you have pets), unplug the fridge and vacuum or brush the coils. If you haven’t done this before, check your brand’s manual—Frigidaire coils are usually behind a rear panel, while LG and GE often have them underneath behind a snap-off grille.

Now, the inside: spills and crumbs aren’t just messy. They can block air vents and sensors. Wipe down the interior every month and toss expired food to keep things fresh and flowing.

2. Maintain Ideal Temperatures

Your fridge should be around 37°F (3°C), and the freezer at 0°F (-18°C). This keeps food safe and helps your fridge run efficiently. If it’s too warm, the compressor works overtime. Too cold? You risk frost and freezer burn.

Don’t block the air vents either. Jamming containers against the back wall messes with circulation. And oddly enough, don’t let your fridge get too empty—some food helps hold the cold when the door opens.

3. Be Kind with How You Use It

Hot food? Let it cool first. Shoving warm leftovers directly into the fridge raises the temperature inside, which stresses the system.

Also, limit how long you keep the door open. Every time you stand there trying to decide between orange juice or milk, warm air sneaks in. That forces your fridge to kick on more often.

And one more thing: don’t slam the door. That rubber seal (called the gasket) is critical, and too much force wears it down over time.

The Big Four Maintenance Tasks You Shouldn’t Ignore

1. Clean the Condenser Coils

We’ve mentioned this already, but it’s worth repeating. Coil cleaning is one of the most effective ways to improve energy efficiency and prevent your fridge from dying early.

If you have pets, a dusty house, or live near a kitchen that sees lots of action, plan to clean every 3 to 6 months.

2. Check and Clean the Door Gaskets

If your fridge door isn’t sealing properly, cold air escapes and warm air gets in. That means your compressor has to work harder, shortening its life.

Test it: Close a dollar bill in the door. If it pulls out easily, your gasket might be worn.

Fix it: Wipe it down monthly with warm, soapy water. If it’s cracked or loose, replace it. A tight seal is key to energy savings.

3. Level It Up

A tilted fridge can mean doors that don’t seal properly or strain on the internal components.

Check it: Use a level (or a level app on your phone) to check side-to-side and front-to-back. Ideally, the front should be a little higher so the doors swing shut on their own.

Adjust it: Most fridges have adjustable feet. Just a quick tweak can make a big difference.

4. Defrost When Needed

Most modern fridges are frost-free, but if you’ve got an older model or a deep freezer, ice buildup is your enemy. More than a quarter inch of frost means your unit isn’t cooling efficiently.

What to do: Unplug the fridge, open the doors, and let the frost melt naturally. Use bowls of hot water to speed things up if needed. Never chip away at the ice—that’s how lines get punctured.

What the Big Brands Recommend

LG

• Clean coils twice a year
• Don’t block vents inside
• Defrost manually if ice gets thicker than 6mm
• Keep doors tightly sealed and food evenly spaced

Frigidaire

• Clean behind the grille every 3–6 months
• Keep gaskets clean
• Organize food so vents and sensors aren’t blocked

GE Appliances

• Clean coils in spring and fall
• Replace water filters every 6 months
• Keep the top of the fridge clear (heat rises!)

KitchenAid & Maytag

• Monthly: Clean shelves, drawers, and gaskets
• Every 6 months: Replace water and air filters
• Yearly: Level fridge, inspect seals, clean coils

Bosch

• Use official filters, change every 6 months
• Keep stainless exteriors clean
• Ensure airflow around the unit (especially for built-ins)

Regardless of brand, the message is clear: clean regularly, don’t block airflow, and replace parts when they’re worn. These aren’t suggestions—they’re key to long-term performance.

Mistakes That Can Kill Your Fridge Early

Even if you mean well, small habits can wear your fridge out:

• Putting hot food straight in raises internal temps and strains the compressor.
• Overloading shelves blocks vents and prevents airflow.
• Ignoring weird sounds or small leaks can lead to big issues.
• Never cleaning coils or seals makes your fridge work harder every day.
• Skipping filter replacements can lead to poor water flow or clogs.

Your fridge isn’t invincible. But it is forgiving—as long as you catch problems early and stay on top of upkeep.

Plan for the Seasons

Summer and winter both stress your fridge differently. Seasonal maintenance helps it adjust:

Summer

• Clean coils in late spring
• Replace worn door gaskets
• Minimize door openings on humid days
• Keep drinks in a cooler during parties

Winter

• If your fridge is in an unheated garage, watch for freezing temps that confuse the thermostat
• Clean the interior before holiday food overload
• Replace water filters after heavy use

Pro tip: Use daylight saving time as a cue to do fridge maintenance twice a year. It’s easy to remember and lines up well with seasonal needs.

Final Thought: Take 30 Minutes, Save Years

It doesn’t take much to extend your fridge’s life. A few short tasks every few months can help it run colder, quieter, and longer.

Your fridge works all day, every day. A little love now and then is the least we can do.

Set a reminder. Clean the coils. Replace the filters. And keep it level.

Do that, and your fridge will keep your food fresh for years to come—no technician required.