A refrigerator is one of the few appliances in your home that runs around the clock, so it’s no surprise that it makes some noise. But when that sound turns into a noticeable hum, buzz, or rattle, it can quickly become a source of concern. Like many homeowners, you might be wondering whether a refrigerator making humming noise is a sign of an impending breakdown or simply part of normal operation/
In our experience, a refrigerator making humming noise can point to something as simple as routine maintenance or as serious as a failing component. Understanding what causes these sounds—and knowing when to act—can help you protect your appliance, your food, and your peace of mind. In this tell-all guide, we break down the most common causes of a refrigerator making humming noise, explain which fixes you can tackle yourself, and outline when professional refrigerator repair is the smarter option.
Discover Refrigerator Deals
Looking for a reliable refrigerator? Visit Albert Lee for top deals on the best brands and models!
Shop Refrigerators4 Reasons for a Refrigerator Making Humming Noise
If you find yourself asking, “Why is my refrigerator humming?” this issue doesn’t always mean trouble, but it should never go ignored. As part of regular troubleshooting refrigerator problems, it’s helpful to pinpoint where the noise is coming from and when it occurs.
Here are four common reasons your fridge may sound louder than usual, how to fix a noisy refrigerator when it’s safe to handle yourself, and what typical repair costs look like if professional help is required.
Dirty Refrigerator Coils
One of the most common causes of a loud refrigerator is dirty refrigerator coils. Fridge coils, located behind or beneath the unit, release heat from the refrigerator. When they are coated with dust, pet hair, or kitchen debris, the cooling system has to work harder, often resulting in your refrigerator making a loud noise or persistent hum.
Is This a DIY?
Yes! Cleaning refrigerator coils is one of the easiest fixes for a refrigerator making humming noise.
How to Clean Refrigerator Coils:
- Unplug the refrigerator from the power source.
- Locate the coils at the back or underneath the unit.
- Use a coil brush or vacuum attachment to gently remove dust and debris.
- Wipe the surrounding area with a dry cloth.
- Plug the refrigerator back in and listen for improvement.
A Dirty Refrigerator Evaporator Fan
A refrigerator’s evaporator fan is what circulates cold air throughout the refrigerator and freezer. When it becomes dirty or obstructed from ice or blocked by containers, it can result in a refrigerator making rattling noise.
Is This a DIY?
Yes, but fixing refrigerator fan issues requires a bit more care and comfort with appliance components.
How to Clean a Refrigerator Evaporator Fan:
- Unplug the refrigerator.
- Remove food items from the freezer section.
- Take off the interior freezer panel to access the fan.
- Inspect for ice buildup, dust, or debris.
- Carefully clean the fan blades with a soft brush or cloth.
Average Refrigerator Fan Repair Cost:
If a refrigerator fan needs replacement, professional service usually ranges from $250 to $400, depending on the model.
A Bad Refrigerator Compressor
The compressor is the heart of the refrigerator, and it’s normal for it to hum lightly during operation. However, a failing compressor can produce a refrigerator making humming noise that’s louder, longer, or more frequent than normal. Many homeowners describe this as a “humming noise from the back of my refrigerator” while others says it sounds like a refrigerator making buzzing noise.
Is This a DIY?
No, compressor repairs should always be handled by trained technicians and attempting to fix refrigerator compressor parts could result in more damage and void of warranties.
Average Refrigerator Compressor Repair Cost:
According to Home Guide, repairs typically ranging from $700 to $1,250 or more. In many cases, replacing your fridge may be more economical, especially if the unit is older.
An Uneven Refrigerator
Sometimes, the problem isn’t internal at all. An unlevel refrigerator can vibrate against the floor or cabinets, creating a humming or rattling sound. This is one of the simplest explanations for a refrigerator making humming noise, yet it’s often overlooked.
Is This a DIY?
Absolutely. Knowing how to level a refrigerator can eliminate unnecessary noise and reduce wear on internal components.
How to Level a Refrigerator:
- Place a level on top of the refrigerator.
- Identify which corners are uneven.
- Adjust the leveling legs at the bottom of the unit.
- Recheck until the refrigerator is stable and level.
About Refrigerator Warranties
Before scheduling refrigerator repair, a good rule of thumb is to your warranty. Many manufacturers offer 1-year full warranties, with extended coverage on major components like compressors lasting up to five or even 10 years.
If your refrigerator is still within the warranty period, you can contact the manufacturer directly for troubleshooting support or authorized service. Having your model number and purchase date ready can speed up the process and potentially save hundreds on refrigerator service costs.
Learn More: What Temperature Should a Refrigerator Be?
Refrigerator Noises That Are Normal
Not every refrigerator making humming noise signals a problem. In fact, modern refrigerators are designed with multiple moving parts that naturally create sound during operation. Understanding what’s normal can save you unnecessary worry.
Common normal refrigerator noises include:
✅ Regular cooling cycles: A gentle hum when the compressor runs.
✅ Ice makers: Clicking or knocking as ice is released.
✅ Running refrigerator fan: Soft whirring sounds as air circulates.
Other reasons your refrigerator might sound louder than usual include:
✔Cooling down after the door has been left open for an extended period.
✔Activating boost or fast ice modes.
✔A refrigerator that’s not properly stocked, causing air to circulate more unevenly.
✔A temporarily blocked fan, forcing the unit to work harder.
In these cases, a refrigerator making humming noise is usually temporary and resolves once conditions return to normal.
Learn More: Seattle Refrigerator Buying Guide: Top Models at Albert Lee's Showroom
Repair or Replace a Refrigerator?
How do you know when to repair or replace refrigerator units? In most cases, a noisy refrigerator simply needs maintenance. Cleaning coils, leveling the unit, or addressing fan issues can often resolve a refrigerator making humming noise. However, if you’ve tried these steps and the noise persists, it’s time to evaluate overall performance.
- A refrigerator making a loud noise, combined with poor cooling, is a major red flag.
- Likewise, if your refrigerator is more than 10 years old, replacement may be the smarter long-term investment. Older units are less energy efficient and more prone to costly breakdowns.
For buyers who need a quick replacement, we offer helpful options like clearance refrigerators and refrigerator rebates. Otherwise, upgrading to a new refrigerator can deliver quieter operation, better efficiency, and advanced features.
Check out a few of our best selling refrigerator models below!
Learn More: Is it Cheaper to Repair or Replace a Refrigerator?
GE Profile 36” 27.6 Cu. Ft. Fingerprint Resistant Stainless Steel Freestanding French Door Refrigerator
Shop This GE Profile Refrigerator
This GE Profile French door fridge delivers strong, reliable performance with dual evaporators that help maintain consistent temperatures and reduce odor transfer. Features like Hands-free AutoFill and built-in Wi-Fi add everyday convenience while improving efficiency after frequent door openings. The adjustable temperature drawer and door-in-door storage make organization effortless for busy households. It’s an excellent choice for families who want smart features, quiet operation, and premium food preservation.
⭐Featured GE Profile PVD28BYNFS Review:
“Awesome capacity. Great design with middle fridge drawer. Super easy to maintain and keeps food constant temps without freezing in top shelves. Love the bottom freezer drawer as well. Just a great product.”
LG 36” 26.5 Cu. Ft. PrintProof Stainless Steel Smart Counter Depth French Door Refrigerator
Designed for performance and style, this LG refrigerator uses Linear Cooling to maintain temperatures within one degree, reducing compressor strain and noise. Door Cooling+ ensures even airflow, while the PrintProof finish keeps the exterior looking clean with minimal effort. Smart connectivity through the ThinQ app allows easy monitoring and diagnostics. With just under 27 cubic feet of capacity, it’s a beast, but its ENERGY STAR certified performance won’t make it seem like it.
⭐Featured LG LRFLC2706S Review:
“We love our new counter depth refrigerator. We enjoy the added space that comes with water dispensing inside the fridge. The contents are very visible with the interior design.”
Bosch 800 Series 36 in. 20.5 Cu. Ft. Stainless Steel Counter Depth French Door Refrigerator
The B36CL80ENS is perfect for households prioritizing food preservation, low noise, and sleek, flush installation. It excels in quiet, efficient operation thanks to dual compressors and evaporators. And with the exclusive VitaFresh technology, food stay fresher for longer by precisely managing temperature and humidity. Home Connect adds remote monitoring and diagnostics for peace of mind.
Café 27.5 Cu. Ft. Stainless Steel 4-Door French Door Refrigerator
This Café refrigerator combines flexibility and visibility with a convertible drawer and bright LED light wall. Humidity-controlled crispers and specialized freezer storage keep food organized and fresh. Auto Fill water dispensing adds convenience without waiting. It’s a great fit for cooks who want customizable storage and standout kitchen style.
⭐Featured Cafe CVE28DP2NS1 Review:
“I love my GE Cafe glass front fridge. I purchased two for lake properties and after selling those properties and buying a new home in a new town, I bought a third one. They are fantastic. I owned a subzero in the past and like these so much more.”
LG 36” 25.5 Cu. Ft. PrintProof Stainless Steel Counter Depth French Door Refrigerator with CraftIce
This LG French door fridge is a standout for entertainment, offering four types of ice, including slow-melting Craft Ice. Linear Cooling and Door Cooling+ work together to maintain consistent temperatures while minimizing noise. Smart features and a sleek InstaView design enhance everyday usability.
⭐Featured LG LRYKC2606S Review:
“It was time for a new fridge and this one was second to none. My family & I LOVE this fridge. I wouldn’t ever buy another brand.”
Samsung Bespoke 36 in. 30.0 Cu. Ft. Stainless Steel 3-Door French Door Refrigerator with Beverage Center
Shop This Samsung Refrigerator
This Samsung Bespoke refrigerator offers exceptional capacity with 30 cubic feet of storage, plus customizable design options that let you express style your way. Inside, Twin Cooling Plus keeps food fresher for longer by managing fridge and freezer climates separately. Families love how the Beverage Center provides quick access to chilled, filtered water.
⭐Featured Samsung RF30BB6600QL Review:
“Love the 3 door setup, ice machine with 2 sizes works fantastic! Storage setup is great, very happy with this ref!”
Whirlpool 36” 28.7 Cu. Ft. Fingerprint Resistant Stainless Steel Side-by-Side Refrigerator
Shop This Whirlpool Refrigerator
Whirlpool’s TruCool Temperature Management helps prevent freezer burn while keeping fresh foods at ideal temperatures. The side-by-side layout offers excellent visibility and organization. Features like Fast Freeze and adaptive defrost improve performance and efficiency. Overall, this side by side refrigerator is a solid choice for large families needing dependable capacity and easy access.
⭐Featured Whirlpool WRSF5536RZ Review:
“I love this refrigerator. It has just the features I was looking for. The shelves go all the way up to the sides, it has 3 drawers, the water filter is in the refrigerator rather than on the outside at floor level - much easier to change the filter. I love that it has an open shelf on the door at the top, unlike many refrigerators that have a compartment you have to raise a door to open.”
KitchenAid 36” 28.7 Cu. Ft. PrintShield Stainless Steel Side-by-Side Refrigerator with Panoramic LED Lighting
Shop This KitchenAid Refrigerator
KitchenAid delivers premium design with panoramic LED lighting and a spacious interior. It’s the only refrigerator brand with the Preserva Cooling System that locks in the freshness of produce for better tasting food that lasts longer. Other perks include the in-door ice and water with measured fill adds convenience without sacrificing space.
⭐Featured KitchenAid KRSF536RPS Review:
“Bought this fridge due to KitchenAid reputation and overall look of the unit. Far exceeded my expectations not loud at all and my wife and son absolutely love the way. The crushed ice comes out.”
Learn More: Top Smart Refrigerator Brands and Models to Watch This Year
The next time you hear your refrigerator buzzing, remember these tips from our experts. In most cases, the sound isn’t serious, but knowing when to take action is the difference between fixing a refrigerator and replacing one. For more tips and tricks, be sure to contact one of our appliance experts at Albert Lee.
Why Trust Albert Lee?
Since 1939, Albert Lee Appliance, a three-generation, family-owned business, continues to grow and serve the greater Pacific Northwest with quality products you can count on and service you can trust. We are proud to have served this community for so long and wouldn’t be here without our loyal customers. There is a reason why we are Washington’s largest independent appliance dealer, and it’s not a secret. Simply put: We have the experience. We have been the original appliance experts for over eight decades (and counting).
Shop Refrigerators at Albert Lee
At Albert Lee Appliance, we provide quality name-brand appliances for great prices. Shop refrigerators online or visit us today at one of our six locations in the Pacific Northwest. In the meantime, browse our website to shop Albert Lee appliance sales and check out Albert Lee appliance reviews online to ensure every purchase is an informed one. More available than ever, our experts at Albert Lee Appliance are always happy to help you troubleshoot a refrigerator making a humming noise, whether you call us or use our online chat feature. Contact us today!
Learn More: The Best Cabinet Depth Refrigerator Models for 2025