Quick summary: Yes, refrigerator water filters can work well for basic goals like improving water taste and odor, and some may reduce additional contaminants. Most use activated carbon filtration, but performance varies. They are not generally considered a comprehensive filtration solution.
Key takeaways
- Most refrigerator filters are designed to improve water’s taste and smell.
- Some address additional substances, but capabilities vary by filter.
- Check the label to understand what water issues the filter is certified to address, and replace the filter on the frequency directed.
- If you’re looking for comprehensive drinking water filtration to protect against a broad variety of potential contaminants, an installed solution like a reverse osmosis system is a better option.
Refrigerator water filters are basic filtration devices installed inside refrigerators that dispense water or make ice. Most use activated carbon media designed to reduce chlorine taste and odor; some models are certified to reduce additional contaminants.
These built-in dispensers can make getting filtered drinking water feel simple: Fill a glass and go. But convenience isn’t the only factor to consider when choosing the best filtration option for your home. That answer depends on your home’s water quality and your specific concerns.
This guide explains what refrigerator water filters usually do well, what they may not address and when another water filtration system may be a better fit.
What refrigerator water filters do well
Refrigerator water filters can be useful when the goal is convenient, better-tasting water from the refrigerator dispenser. But the key is choosing a filter that addresses your specific water concerns. Here’s a quick rundown on fridge filters:
- They can help improve taste and odor: Many refrigerator filters use activated carbon to address chlorine taste and odor, which is a common concern in municipal water.
- They offer built-in convenience: The dispenser and ice maker are already connected to the refrigerator, so filtered water is easy to access.
- They typically address a limited number of water quality issues. Chlorine taste and odor is a common focus, while capabilities beyond that vary by model.
- They can reduce reliance on single-use bottles of water: Easy access to filtered water at home may help your household use fewer single-use water bottles.
What refrigerator water filters may not address
Refrigerator water filters are not designed to solve every water quality concern. Their limitations depend on the model, certification, filter condition and water entering the home.
- They treat only water and ice from the refrigerator: They do not address water used at other taps, showers, fixtures or water-using appliances.
- They may have a limited range of contaminants they can address: Many refrigerator filters focus on chlorine taste and odor, although some models are certified to reduce additional contaminants, including lead or certain PFAS compounds.
- They require frequent replacement: Performance can decline when a cartridge is used beyond the manufacturer’s recommended schedule.
- They do not replace water testing: A professional water test helps identify whether your home has water quality concerns a refrigerator filter is not designed to address.
Do refrigerator water filters actually work?
Yes, refrigerator water filters can work for the specific water quality concerns they are designed and certified to address, but their capabilities are typically limited. Many focus on chlorine taste and odor, while some models address additional concerns, such as dirt, rust and lead. Check the product label or manufacturer information and replace the filter according to the recommended schedule.
How to tell what your refrigerator water filter can address
If you already have a refrigerator water filter, start with the filter model number, owner’s manual or product label. These resources can tell you which water quality concerns the filter has been independently certified to address.
It is generally recommended to choose drinking water treatment solutions that are certified to the applicable NSF/ANSI performance standard. Look for the certification mark, the standard number and the specific substances the filter is certified to reduce. Examples to look for include these:
- NSF/ANSI 42, which generally covers aesthetic concerns such as chlorine taste and odor.
- NSF/ANSI 53, which covers health-related contaminants such as lead and cysts.
- NSF/ANSI 401, which covers certain emerging contaminants, including some pharmaceuticals.
Certification under one standard does not mean a filter addresses every water quality concern.
Are fridge filters worth it?
A refrigerator filter treats only the water and ice your refrigerator dispenses. If you want more comprehensive drinking water filtration or need to address a specific issue throughout the home, a professional water test can help you choose the right type of drinking water filtration system for your needs.
- Review your annual water quality information. In the U.S., municipal water utilities provide the Consumer Confidence Report (CCR); in Canada, check reporting from your municipality or local water provider.
- Schedule water testing. The best way to understand what kind of treatment your water need is to find out what issues may be present.
- Consider reverse osmosis (RO) when you want more comprehensive drinking water filtration; depending on the installation, an RO system can serve the kitchen sink as well as compatible refrigerators or ice makers.
- Consider whole home filtration when a specific issue affects water throughout the home, such as chlorine, sediment, iron or sulfur. For concerns like arsenic, nitrate or PFAS, look for specialty whole-house systems.
Alternative solutions to refrigerator water filters
Fridge water filters aren’t your only option for improved water quality. Instead, consider more comprehensive systems like these, as noted above:
- Under-sink water filtration systems: Under-sink options can be a convenient and comprehensive solution. They often use reverse osmosis filtration, which is among the most comprehensive filtration options available. Some, like Culligan’s Aquasential® Reverse Osmosis Systems, are certified to reduce more than 90 contaminants.
- Whole house water filtration systems: These systems are installed on the home’s main water line to target specific water quality concerns, such as chlorine, sediment, iron and sulfur. They are selected based on the issue the system is designed to address. Specialized systems can also address contaminants such as arsenic or PFAS.
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Refrigerator water filter FAQs
These answers address common questions about refrigerator water filters, what they can address and when another water treatment option may be a better fit.
What do refrigerator water filters remove?
Many refrigerator water filters are designed to address chlorine taste and odor. Depending on the model, some are also certified to reduce contaminants such as dirt, rust and lead. These examples are not universal, so check the product label or manufacturer information to see what your specific filter is designed to address.
Do refrigerator water filters address lead?
Some refrigerator water filters are certified to reduce lead, but this is very specific to the model. Check the product label or manufacturer information for third-party certification specifically for lead reduction before relying on the filter for that purpose.
Are refrigerator water filters better than reverse osmosis?
They serve different needs. A refrigerator filter can be convenient for better-tasting chilled water, while reverse osmosis is a more comprehensive drinking water filtration option that can provide filtered water from your kitchen tap, compatible refrigerator or even an ice maker.
How often should a refrigerator water filter be replaced?
Replacement timing varies by model and water use, but many manufacturers recommend replacing refrigerator filters about every six months. Follow the replacement schedule in your refrigerator or filter manual. Timing varies based on the filter, water use and water quality. Replace the cartridge sooner if flow, taste or odor changes.
How do I know if my fridge filter is certified?
Check the product label, owner’s manual or manufacturer information for an independent certification mark and the specific water issues the filter is certified to address. You can also search the certifier’s online database using the exact model number.
Find the right drinking water solution for your home
A refrigerator water filter can be a convenient starting point when your main goal is better-tasting water, but it is not a comprehensive solution for broader water quality concerns. If you’re looking for cleaner, safer drinking water,, a local Culligan water expert can provide a free in-home water test and help you compare options for solutions.
Ready to get started? Schedule your free water test and consultation.
