How to Clean and Maintain Your Moffat Refrigerator

What Moffat refrigerators are and why they need regular care

Moffat is a commercial refrigeration brand owned by Welbilt, used in restaurants, kitchens, and some high-capacity home settings. Their units are built for heavy use and durability, but they still need the same basic cleaning and maintenance that any refrigerator requires to stay fresh and prevent food spoilage. The difference is that Moffat models often have more shelving, larger compartments, and commercial-grade components that respond well to a straightforward maintenance routine.

Whether you own a Moffat reach-in, undercounter, or display model, the core tasks are identical: remove old food, wipe down surfaces, manage condensation, and keep the coils clear. A Moffat that gets this attention will hold temperature reliably and keep your food safe longer than one that doesn't.

Key Takeaways

• Moffat refrigerators need weekly shelf wiping and monthly deep cleaning to prevent bacterial growth and odors.
• Check and clean the condenser coils every three months, as dust buildup forces the compressor to work harder and shortens the unit's life.
• Drain lines and drip pans collect water and debris; clearing them monthly prevents mold and keeps the refrigerator running efficiently.
• Organize food by type and temperature zone so cold air circulates properly and you can spot spoilage before it spreads.
• Keep the door seals clean and check them for cracks, because a loose seal lets warm air in and makes the compressor run constantly.

Weekly cleaning routine for Moffat shelves and surfaces

Start with the shelves themselves. Remove everything from one shelf at a time, check the dates on containers, and throw out anything past its prime. Wipe the shelf with a damp cloth and a mild detergent—a few drops of dish soap in warm water works well. Pay attention to corners and edges where spills pool and bacteria grow. Dry the shelf with a clean towel before putting food back.

Wipe down the interior walls and door panels with the same solution. Moffat units often have stainless steel or powder-coated interiors that respond well to this method. Do not use abrasive scrubbers or bleach, which can damage the finish. If you notice sticky residue from a spill, let the damp cloth sit on it for a minute to soften it, then wipe gently.

Check the door seals—the rubber gasket that runs around the frame—for visible food debris or mold. Wipe it with your damp cloth, paying special attention to the folds where moisture collects. A clean seal keeps cold air inside and reduces the work your compressor has to do.

Monthly deep cleaning and drain maintenance

Once a month, empty the refrigerator more thoroughly and clean the areas you cannot reach during weekly wiping. Pull out any removable shelves or drawers and wash them in the sink with warm soapy water. Inspect the underside of each shelf for buildup, and scrub if needed. Let them dry completely before returning them to the unit.

Locate the drain pan at the bottom of your Moffat—this is usually accessible from the front or side, depending on your model. Empty it into a sink and rinse it out. If it smells sour or has visible slime, scrub it with a brush and soapy water, then rinse thoroughly. A clogged or dirty drain pan is one of the most common sources of refrigerator odor.

Check the drain line itself, which runs from the back of the unit down to the pan. If it is blocked, water backs up and can freeze or create mold. You can clear a slow drain by flushing it with warm water from a turkey baster or small pitcher. If it is completely blocked, you may need to disconnect it (consult your manual for the exact location) and run warm water through it from the other end.

Cleaning condenser coils every three months

The condenser coils sit behind or beneath your Moffat and release heat as the refrigerant cycles through them. Dust and debris coat these coils over time, forcing the compressor to work harder to cool the box. This shortens the life of the unit and raises your energy costs. Cleaning them every three months keeps everything running smoothly.

First, unplug the refrigerator or turn it off at the breaker. Locate the coils—they are usually behind a removable panel at the bottom front, or behind the unit itself. Consult your manual if you are unsure. Use a coil brush (a long, thin brush designed for this job, available at appliance supply stores) or a soft-bristled brush to gently remove dust and lint. Work from top to bottom so debris falls away from the coils. A vacuum with a brush attachment can also work, but do not let the nozzle touch the coils directly.

Once you have brushed the coils, plug the unit back in and let it run for a few minutes to confirm it is cooling normally. If the compressor seems to be running constantly or the unit is not getting cold, the coils may need a second cleaning or there may be another issue—check your manual or contact a service technician.

Organizing food to maximize airflow and freshness

How you arrange food inside your Moffat affects how well cold air circulates and how quickly you spot spoilage. Store raw meat and fish on the lowest shelf, where they cannot drip onto other foods. Keep dairy and prepared foods on middle shelves. Vegetables and fruits go in the crisper drawer if your model has one, or in sealed containers on a lower shelf to trap moisture.

Do not overpack the shelves. Cold air needs to move around items to keep everything at the right temperature. Leave at least an inch of space between items and the back wall. Store items in clear containers or label them with the date you opened them, so you can see what needs to be used first and catch spoilage before it spreads.

Keep the door shelves for condiments and items you access frequently, not for milk or eggs. The door is the warmest part of the refrigerator because it opens to room temperature air every time you open it. Eggs and milk stay fresher on an interior shelf where the temperature is most stable.

Checking and replacing door seals

A damaged door seal lets warm air leak into your Moffat, forcing the compressor to run constantly and wasting energy. Check the seal monthly by closing the door on a piece of paper—if you can pull the paper out easily, the seal is not tight enough. Look for visible cracks, hardening, or areas where the rubber has pulled away from the frame.

If the seal looks dirty but intact, clean it thoroughly with a damp cloth and mild detergent. Sometimes a buildup of food residue or mold makes the seal appear damaged when it is just dirty. Let it dry completely and test again with the paper method.

If the seal is cracked, hardened, or will not hold the paper, it needs to be replaced. Moffat seals are available from appliance parts suppliers and are usually held in place with a groove or adhesive. Consult your manual for the exact replacement procedure, or contact a service technician if you are unsure. A new seal typically costs between $50 and $150 and takes 15 to 30 minutes to install.

Managing odors and preventing mold growth

Odors in a Moffat usually come from one of three places: old food, a dirty drain pan, or mold in the drain line. Start by removing and discarding anything past its prime. Then clean the drain pan and flush the drain line as described in the monthly maintenance section. These two steps solve most odor problems.

If the smell persists, place an open box of baking soda on a shelf and leave it there for a few days. Baking soda absorbs odors without adding its own smell. Replace it every month or when it stops working. Activated charcoal works the same way and lasts longer, though it is more expensive.

Mold grows in moist, dark spaces—the drain pan, the drain line, and the rubber seal are the most common spots. Prevent it by keeping these areas clean and dry. Wipe the seal after each cleaning, empty the drain pan weekly, and flush the drain line monthly. If you see black or green spots on the seal or in corners, scrub them with a cloth dampened in white vinegar, then rinse and dry thoroughly.

Troubleshooting common Moffat cooling problems

If your Moffat is not cooling as well as it should, start with the simplest checks. Make sure the thermostat is set to the correct temperature—most units should be between 35 and 38 degrees Fahrenheit. Check that nothing is blocking the air vents inside the box or the condenser coils outside. Clean the coils if you have not done so in the last three months.

Verify that the door closes completely and the seal is tight. A loose seal is one of the most common reasons a refrigerator loses cooling. If the seal is clean and intact but still loose, it may need adjustment or replacement.

If the compressor is running constantly but the unit is still not cold, or if you hear unusual noises, there may be a refrigerant leak or a compressor problem. These require professional service and are not something you can fix yourself. Contact a technician who works on commercial refrigeration or consult your Moffat manual for the nearest authorized service center.

Frequently Asked Questions

How often should I defrost my Moffat refrigerator?

Most modern Moffat units are frost-free, meaning they defrost automatically. You should not need to manually defrost them. If your model is older or manual defrost, consult your manual for the specific procedure—it usually involves turning off the unit, letting ice melt into the drain pan, and then turning it back on.

Can I use bleach to clean the inside of my Moffat?

No. Bleach can damage the finish and leave residue that contaminates food. Use a mild detergent and warm water instead. If you need extra disinfecting power, white vinegar works well and is food-safe once it dries.

What temperature should my Moffat refrigerator be set to?

The ideal temperature is between 35 and 38 degrees Fahrenheit. This range keeps food safe and slows spoilage without freezing items that should stay fresh. Check your manual for the exact location of the thermostat dial or digital control on your model.

Why is my Moffat making a loud humming or clicking noise?

Some noise is normal as the compressor cycles on and off. Loud or unusual sounds—grinding, squealing, or constant clicking—may indicate a problem with the compressor, fan, or refrigerant system. If the noise is new or getting worse, stop using the unit and contact a service technician.

How long does a Moffat refrigerator usually last?

With regular maintenance, a Moffat commercial refrigerator can last 10 to 15 years or longer. The key is keeping the coils clean, maintaining the door seal, and addressing problems early. Neglected units often fail much sooner because the compressor has to work too hard.