Home Water Filtration System Cost: Which Are the Most Expensive and Affordable?

Home Water Filtration System Cost

Are you curious and want to know the home water filtration system cost? Then, no more second guesses, as I’ve got a simple breakdown for you. I recently helped my brother with his renovation, so thought to share it with you guys as well. Therefore, it’s time to understand the basics before jumping into the details. Let’s head on to the next section.

Table of Contents

Quick Answer

The cost of a home water filtration system can vary significantly, depending on your chosen system type. For instance:

  • Pitcher filters ($20–$100);
  • Tap filters ($50–$200);
  • Reverse osmosis system ($150–$4,800);
  • Whole-house filtration system ($1500–$10,000).

Not only this, additional factors such as installation costs, necessary permits, and recurring maintenance fees can also influence the total investment. Therefore, balancing the initial investment with the long-term benefits of cleaner, safer water in your home is crucial.

Moreover, there are some considerations you need to look for. Is a reverse osmosis system worth the extra expense? How about ongoing maintenance costs? What features should you prioritize based on your specific needs? Continue reading this informative guide to clear your doubts. Let’s dive deeper into the details!

Related article: How Much Does a Reverse Osmosis System Cost: The Ultimate Guide to Safe Drinking Water – Water Treatment

Home Water Filtration System Cost: Comparative Analysis

When considering a home water filtration system, it’s helpful to compare the different types and their costs. This comparison can help you make an informed decision that best suits your budget and needs.

Comparison Chart of Filtration Systems and Costs

Here’s a summary of the different types of water filtration systems and their respective costs:

Filter Type


Water Softener Systems

$200 - $500

Reverse Osmosis Systems

$150 - $170

Fridge Filters

$20 - $100

Tap Filters

$50 - $200

Pitcher Filters

$20 - $100

Countertop Filters

$50 - $120 for single-stage, $80 - $150 for multi-stage filters

Faucet Filters

$15 - $50

Under-Sink Filtration Systems

$170 – $580

UV-Light Water Treatment Systems

$100 - $1000

Water Ionizers

$500 - $2,500

Home Carbon-Filter System

$200 - $800

Water Distiller Purification

$100 - $3000

Water Distiller Purification

$300 - $1,000

Whole-House Water Filtration System

$400 - $5000 or more

Remember, the filtration system choice will depend on your specific needs, water quality, and budget. Read on for a detailed analysis of these filter types and their costs.

How Much is a Water Filtration System Cost: A Detailed Analysis of 14 Systems

Purchasing a home water filtration system is a health-conscious and eco-friendly decision. But, the price tags can be intimidating. However, there is no need to worry. In the following section, I’ll throw light on 14 major types of water filters, their cost, and discover why they are a worthwhile investment.

1. Water Softener Systems

Now, let’s consider whether investing in the water softener system is worth it. Their price range usually falls between $200 – $500, excluding installation costs.

Home Water Filtration System Cost: Water Softener Systems

Take the example of the On The Go OTG4-VM-DBLSOFT Water Softener. Listed below are some of its advantages and disadvantages. 

On The Go OTG4-VM-DBLSOFT Water Softener


  • It comes with a high capacity to store water up to 16,000-grain units.
  • It incorporates a sophisticated regeneration mechanism, increasing longevity and effectiveness. 
  • You will get a fast flow rate of 3 gallons per minute to offer water on demand.


  • The hose that comes with the unit is of subpar quality.

2. Reverse Osmosis Systems

Reverse osmosis systems are considered the most efficient in filtering out contaminants. They are an excellent choice for families (just like mine) concerned about potential pollutants in their water. Prices usually lie between $150–$4,800.

Reverse Osmosis Systems

For instance, an APEC system can cost you between $150-$170. Let’s now head over its pros and cons.

APEC Water Systems


  • Comprises cutting-edge thin-film composite membranes, ensuring exceptional removal of impurities. 
  • Augments taste and odor elimination through advanced pre-filtration stages, providing comprehensive purification. 
  • Integrates user-friendly features for easy membrane replacement. 


  • Generates excess wastewater during the purification process.

3. Fridge Filters

Fridge Filters provide cold, clean water and ice at your fingertips. These handy filters can range from a modest $20 to $100, a bargain considering their convenience and quality.

Fridge Filters

Everydrop by Whirlpool Ice Refrigerator Filter is an example of this water. Let’s dive into their pros and cons.

Everydrop by Whirlpool Ice Refrigerator Filter


  • It employs advanced activated carbon filtration, which is necessary to absorb volatile organic compounds (VOCs) effectively.
  • The integration of cutting-edge microfiltration helped remove microscopic particles, bacteria, and cysts. 
  • It has user-friendly replacement features, such as indicator lights and notifications, ensuring timely filter changes. 


  • They have a limited filtration spectrum, falling short in handling impurities that require specialized filtration. 

4. Tap Filters

Tap filters, priced between $50 and $200, are the perfect choice. Easy to install and maintain, they offer an affordable option for safe and clean water.

Tap Filters

A good example is PLUS Faucet Mount. Let’s head onto its pros and cons:

PLUS Faucet Mount


  • It often contains activated carbon and ceramic materials, ensuring efficient removal of contaminants like chlorine and sediments.
  • The microfiltration technology allows it to effectively capture and eliminate microscopic bacteria, a potential barrier against health.
  • They are renowned for their user-friendly installation process and straightforward maintenance. 


  • Some tap filters may impact the flow rate, leading to slower water dispensing speed. 

5. Pitcher Filters

Pitcher filters are an economical, entry-level option to clean drinking water. You can get one between the price range of $20 – $100. Furthermore, They are an attractive choice if you’re seeking a cost-effective yet efficient means of water purification.

Pitcher Filters

An example of a pitcher filter is the Brita Large Water Filter Pitcher. Let’s dive into its advantages and disadvantages:

Brita Large Water Filter Pitcher


  • It contains an advanced activated carbon filter, effectively removing contaminants such as chlorine and undesirable tastes and odors.
  • They are constructed from BPA-free materials, ensuring the filtered water remains free from harmful chemicals.
  • Pitcher filters offer portability and convenience, allowing users to enjoy filtered water without complex installation modifications. 


  •  The gravity-based filtration process can result in longer filtration time, impacting rapid water supply. 

6. Countertop Filters

Countertop filters, range between $50 – $120 for single-stage and $80 – $150 for multi-stage countertop filters. They efficiently remove harmful pollutants and come with the added convenience of portability.

Countertop Filters

An example is the iSpring CKC1 Countertop. Let’s dive into their pros and cons.

iSpring CKC1 Countertop


  • It employs multi-stage filtration technology, combining activated carbon, ceramic, and other advanced media to eliminate impurities. 
  • These filters boast a high filtration capacity, allowing them to handle a significant volume of water before requiring filter replacements.
  • Equipped with user-friendly filter replacement mechanisms, it helped me maintain the water quality.


  • I don’t like their valuable kitchen space, potentially impacting smaller areas’ aesthetic and functional aspects. 

7. Faucet Filters

Faucet filters are easy to install and provide direct filtered water from your faucet. They are affordable, ranging between $15 and $50, and work as a quick solution to purify your tap water.

Faucet Filters

An example of such type is the PUR PLUS faucet mount water filtration system. Let’s look at some of its pros and cons.

PUR PLUS faucet mount water filtration system


  • It contains activated carbon and other proprietary media, ensuring the efficient removal of chlorine. 
  • I love how minimal space they need on the kitchen countertop.
  • They are designed for ease of use with a user-friendly installation process.


  • Some filter faucets may not be compatible with certain faucet types.

8. Under-Sink Filtration Systems

Under-sink filtration systems are tucked away, saving space and providing high-quality water directly from your faucet. They come from $170 – $580 and provide a constant supply of purified water.

Under-Sink Filtration Systems

For instance, Waterdrop 15UA is an under-sink Water Filter.

Waterdrop 15UA


  • They leverage multi-stage filtration technology, incorporating advanced media such as activated carbon and reverse osmosis membranes
  • These systems boast a substantial filtration capacity, making them ideal for households with higher water consumption. 
  • The larger filters and storage tanks contribute to extended intervals between replacements. 


  • They might require professional assistance due to the complexity of the installation process. 

9. UV-Light Water Treatment Systems

UV-light water treatment systems typically fall within $100 to $1000. While this pricing may place them on the higher end of the spectrum, the investment is justified by their ability to effectively eliminate harmful bacteria, viruses, and other microorganisms.

UV-Light Water Treatment Systems

An example of a UV-light filter includes an HQUA-OWS-12 Ultraviolet water purifier. Let’s head over its pros and cons.

HQUA-OWS-12 Ultraviolet water purifier


  • They excel in microbial disinfection, utilizing ultraviolet radiation to neutralize bacteria, viruses, and other harmful microorganisms. 
  • Unlike traditional water treatment methods, UV-light systems operate without chemicals. This makes them environmentally friendly.
  • It provides continuous water treatment, requiring minimal downtime. Once installed, they operate consistently. 


  • Not powerful enough against non-microbial contaminants and visible sediments.

10. Water Ionizers

Water ionizers are situated within a range of $500 to $2,500. For instance, APEC ionizers offer households the potential benefits of altered pH levels and antioxidant-rich hydration.

Water Ionizers

Let’s dive into its details. 

APEC ionizers


  • They excel in adjusting water pH, typically by increasing alkalinity. 
  • The ionized water produced has antioxidant properties while neutralizing harmful free radicals in the body. 
  • Ionized water is more readily absorbed by the body, improving hydration. 


  • Their expensive price point can affect your buying decision.

11. Home Carbon-Filter System

They are positioned within a moderate to higher price range, varying from $200 to $800 just like the Aquasana Wholehouse system. They offer a reliable method to enhance water quantity by efficiently removing contaminants.

Home Carbon-Filter System

Let’s look at its advantages and disadvantages.

Aquasana Wholehouse system


  • They have activated carbon as the primary filtration medium. This porous material effectively absorbs impurities, including chlorine.
  • It has a high affinity for chemicals and organic substances.
  • The absorption capabilities result in a noticeable improvement in the taste and odor of water.


  • The installation can be a difficult process and you might need professional assistance.

12. Water Distiller Purification Systems

There’s a large price fluctuation for water distillers. You can get a countertop one for about $100 – $750 or go for expensive options that can cost up to $3000. Such an example is Vevor water distiller which stands out for its ability to deliver exceptionally pure water by eliminating a broad spectrum of contaminants.

Water Distiller Purification Systems

Let’s take a look at its pros and cons.

Vevor water distiller


  • Water distillers have efficient distillation mechanisms, heating water to create steam and cooling and condensing it to produce purified water.
  • They eliminate common impurities like minerals and bacteria, volatile organic compounds (VOCs), and other dissolved solids.
  • Distilled water produced by these systems is consistently pure, meeting high-quality standards. 


  • The screws of the heating element can get loose with time.

13. Chemical Injector Water Treatment Systems

Chemical injector water treatment systems represent a sophisticated approach to water purification by introducing precise amounts of chemicals into the water supply. Priced between $300 and $1,000, these systems are designed to cater to specific water treatment needs, offering a customizable and targeted solution. An example of the chemical injects system is the Micro Motion 4200 2-Wire Transmitter.

Chemical Injector Water Treatment Systems

Let’s dive into its pros and cons.


  • They can prevent scaling, biofouling, and corrosion due to minerals.
  • Whether dealing with microbial contamination, adjusting pH levels, or promoting coagulation for sediment removal, chemical injectors provide a flexible and adaptable solution.
  • Many chemical injector systems come equipped with automated control systems. This automation enhances operational efficiency and also reduces the risk of human error.


  • They rely on a steady supply of specific chemicals for water treatment. Any disruption in the availability of these chemicals can compromise the system’s functionality. 

14. Cost of Whole House Water Filtration System

Whole-house water filters are an all-in-one solution providing filtered water throughout your home. While they are the most expensive, typically between $400 – $5000 or more. They offer the convenience of comprehensive water filtration. The 3M Aqua-Pure Change Water Filter System is an example of a whole-house water filtration system.

Cost of Whole House Water Filtration System

Let’s discover the pros and cons of the item:

3M Aqua-Pure Change Water Filter System


  • It provides clean and fresh water to the whole house.
  • It can provide up to 20 gallons per minute of filtered water at any corner of the room.
  • It has a (SQC) design which allows it to change the filter without quickly


  • It has high expenses for filter replacements.

Although you know the basic prices from the above list, the exact cost may vary. It depends on factors like type, complexity, and extent of filtration. You will find the details of these factors in the given section.

I would recommend you choose any of the 14 systems to make sure you are not compromising on your health. Just like my brother went with the RO system.

Scott Birch
There’s no denying that every home needs filtered water. You either can make a timely decision or learn it the hard way.Scott Birch aka The Filter Guy, Water Filtration Expert and Writer at Purewaterblog

The Сost of Installing Different Water Filters: 5 Main Types

Various types of home water filtration systems are available to meet different needs and budgets.

The Сost of Installing Different Water Filters

Here’s a brief overview of what helped me in the renovation process:

  • Water Softeners: These systems remove minerals like calcium and magnesium that make water ‘hard’ and can cause scaling in pipes and appliances.
  • Reverse Osmosis Systems: These are advanced systems that can remove a wide range of contaminants, including salts, thereby improving the taste and safety of the water.
  • Fridge Filters: As the name suggests, these filters are installed in refrigerators and provide clean, cold water and ice.
  • Tap Filters: These attach directly to your faucet and filter the water as it flows out.
  • Simple Pitcher Filters: These are jug-like containers with a built-in filter. You pour water into the pitcher, filtering down into the jug’s main part.

Choosing the right system depends on your specific needs and the quality of your incoming water. I have jotted down a quick table that can guide you on the installation of different filters:

System Type


Installation Needs

Approximate Cost

Water Softeners



$400 – $2,500

Reverse Osmosis Systems



$150 – $500

Fridge Filters



$20 – $100

Tap Filters



$20 – $50

Simple Pitcher Filters


No installation

$20 – $40

Under-Sink vs. Whole-House Filtration Systems: A Comparison in Terms of Cost

If you’re determined to improve the quality of your household water, then you might be considering under-sink and whole-house filtration systems. However, it’s vital to understand the costs involved in both options.

Cost of an Under-Sink Water Filtration System

Under-sink water filtration systems are popular because they offer efficient filtration right where you need it most – at your kitchen sink.

Cost of an Under-Sink Water Filtration System

Here’s what you need to know about the costs:

  • The cost of the system itself varies depending on the type and brand. You can expect to spend anywhere from $170 to $580 for a quality unit.
  • If you’re handy around the house, you can do this yourself. But if you prefer professional installation, you must budget around $100 to $200.
  • Lastly, don’t forget about replacement filters. Depending on your usage and water quality, you’ll need to replace these every 6-12 months. Expect to spend about $20 to $100 annually on replacement filters.

Here’s a quick snapshot of the expense cost of the under-sink filtration system:

Under sink filtration system



$170 – $580


$100 – $200

Annual Replacement Filters

$20 – $100

My brother used to say that tap water seem clear. But, being in the aqua industry, I made him understand it contains harmful contaminants like Lead and Arsenic, etc. That’s where water-filtering devices come into play. They remove impurities, assuring cleaner, purer home water. Now, let’s take a wider look at why you need them. 

Is It Worth it to Get a Home Water Filtration System?

Is It Worth it to Get a Home Water Filtration System?
  1. Health Protection: Unfiltered water can contain harmful bacteria, viruses, or chemicals that can cause illnesses. A house water filtration system can remove these threats, ensuring your water is safe.
  2. Taste Improvement: Sometimes, water contains particles and substances like chlorine that can affect its taste. A water filtration system can help improve the taste by removing these substances.
  3. Cost-Effectiveness: While there is an upfront cost for a water filtration system, it could save you money in the long run by reducing your dependence on bottled water.
  4. Environmental Consideration: By using a home water filtration system, I noticed a reduction in the consumption of single-use plastic water bottles; thus, it’s a great addition to contributing to environmental conservation.
  5. Increased Appliance Lifespan: Hard water can damage pipes or deposit minerals in dishwashers and washing machines, reducing efficiency. On the other hand, filtered water prevents this, extending the life of water-using devices.
  6. Simpler Cleaning: Hard water’s elevated magnesium and calcium content can lead to the accumulation of soap scum on bathroom and kitchen surfaces. But if you use a whole house system, soap won’t stick to them, making cleanup a breeze.

8 Factors That May Influence the Water Filtration Systems Cost

The selection of a household water filter involves hundreds of factors. A water filtration system’s cost is influenced differently by each of them. I have listed 8 factors that can precisely help you calculate the installation and maintenance costs of a water filter system. Let’s look at each in detail.

1. Nature and Type of the System

This is how the nature and type of the system can affect its cost:

  • System Type: The kind of filtration system you choose plays a significant role in the cost. For example, I chose a simple pitcher filter as they are less expensive than a reverse osmosis system.
  • System Nature: Systems that offer more comprehensive filtration or have more complex features will generally cost more.

2. The Size and the Brand of the System

Let’s have a look at how the brand name can affect the pricing:

  • System Size: The size of the system impacts the price. Larger systems that can filter more water at once, like whole-house systems, tend to be more expensive.
  • Brand: Just like any other product, the brand can affect the price. Established brands with a reputation for quality and customer service often have higher prices.

3. Type of Filter Media

Filter pricing also varies, and it can impact the overall pricing of the system, as mentioned below:

  • Number of Filters: Some systems use multiple filters to provide thorough filtration, which can add to the cost, especially when it’s time to replace them.
  • Filtration Rating: The filtration rating (how effectively a system can remove contaminants) can also affect the price. Higher-rated filters are typically more expensive.
Type of Filter Media

4. Installation and Workmanship Cost

Listed below are some points related to the installation cost that may affect the overall system’s price:

  • Installation Location: The location where the system will be installed can influence the overall cost. Some areas may require additional plumbing or fixtures, which will add to the installation cost.
  • Labor: If professional installation is necessary, the cost of labor can significantly add to your total bill.

5. Required Licenses and Location Factors

This is how the licensing and geographical areas can affect the system’s cost:

  • Permits: In some cases, you may need a permit to install a filtration system, particularly for larger, whole-house systems. Permit costs vary depending on your local regulations.
  • Geographic Location: Depending on where you live, you may face higher or lower costs. Installation services, permit fees, and even the cost of the system itself can vary by region.

6. Analysis of Water Quality

Although the water quality may not directly affect the pricing, it can indirectly influence the filter system’s price. Let’s have a look:

  • Need of water testing: Conducting comprehensive water testing is crucial before investing in a water filtration system. This helps identify specific contaminants and water quality issues, influencing the type of filtration system required.
  • Charges associated with water testing: Water testing services may have associated costs depending on the scope and depth of analysis needed. Laboratories or specialized testing companies typically charge for their services. So, you need to do the research before investing.

7. Additional Plumbing Adjustments

Now, let me shed light on the next factor which is extra cost:

  • Working with already existing plumbing system: Installing a home water filtration system may require modifications to your existing plumbing. System size, complexity, and compatibility with your plumbing infrastructure can influence installation costs.
  • The services of a professional: Hiring a professional plumber for system installation and potential plumbing adjustments can contribute to the overall expenses.

8. Cost Related to System Maintenance

Listed below is an easy explanation of system maintenance.

Cost Related to System Maintenance

Let’s check it out:

  • Maintenance charges: Regular maintenance is essential for optimal performance and longevity of water filtration systems. Understanding the maintenance requirements and associated costs is vital for long-term budget planning.
  • Extra Charges: Additionally, replacement filters, periodic inspections, and any required servicing by professionals contribute to the ongoing maintenance costs.

Strategies for Cost-Efficiency in Home Water Filtration System Costs

Effectively managing the costs associated with home water filtration systems involves strategic planning. Consider the following approaches to optimize your investment:

  1. Self-Installation Practices: Undertake a self-water filtration system installation if you possess plumbing skills, potentially saving on professional labor costs.
  2. Combined Procurements and Installations: Explore providers offering discounts or bundled deals when acquiring the filtration system and professional installation services simultaneously.
  3. Comparison of System Alternatives: Research and compare various water filtration systems. Occasionally, a slightly higher initial cost may translate to reduced maintenance expenses over the system’s lifespan.
  4. Energy-Efficient System Selection: Opt for energy-efficient filtration systems that could lower operational costs, contributing to long-term savings.
  5. Negotiation of Maintenance Agreements: Negotiate maintenance contracts with service providers to potentially lower the overall costs of routine system check-ups and filter replacements.


How do I choose the right water purification system for my home?

Evaluate your water quality, understand the contaminants you need to remove, and consider your budget. Also, assess your household size and water usage.

Can I self-install a water filtration system, and what are the implications?

Some filtration systems can be self-installed, but for more complex systems like whole-house filters, professional installation is recommended. Improper installation may affect system efficiency and warranty coverage.

What’s the maintenance cost for a whole-house water filter?

Maintenance costs for a whole-house filter typically range from $70 to $400 annually. This includes filter replacement and any necessary repairs or check-ups.

How long can I expect my whole-house water filter to last?

The lifespan of a whole-house water filter can vary, but on average, they last between 3-5 years. Regular maintenance can help extend the lifespan.

Are there any downsides to installing a whole-home water filter?

The main downsides are the initial cost of installation and ongoing maintenance costs. Also, whole-home systems may not be necessary if your water source is already clean and safe.

What is the most effective type of home water filtration system?

The most effective type depends on your water quality and specific filtration needs. However, reverse osmosis systems are highly efficient at removing many harmful contaminants.

How much does it cost to maintain a whole-house water filter?

Maintaining the whole-house water filtration systems typically ranges between $150 and $500 annually, covering expenses such as filter replacements, professional servicing, water quality testing, and upkeep supplies.

How much is the initial consultation, and does it include a water test?

The initial consultation with a water treatment professional generally costs between $50 and $200, with the potential for additional charges for a water test ranging from $100 to $300. Some providers may offer combined consultation and testing packages at discounted rates.

What unexpected problems typically increase installation costs?

Unexpected problems impacting installation costs for whole-house water filtration systems may include plumbing modifications ($200 to $500), structural challenges or customization requirements ($200 to $500 or more), and the quality of existing plumbing, which might require repairs or upgrades ($100 to $500).

What are the disadvantages of a whole-house water filter?

A major disadvantage is the high upfront cost. Moreover, they also require regular maintenance, like changing filters and membranes, which adds to long-term costs.

What is the best water filtration method for your home?

Reverse osmosis (RO) filter is one of the best methods for home. It removes a wide range of contamination, including germs and impurities.


Quickly summing, the home water filtration system cost may vary, depending on the type of the system, usage, and the type of filter media you use. Additionally, maintenance charges can also put a bent in your budget.

If you are going with an RO system, it can cost you between $150–$4,800 with the installation cost of $150 – $500. Similarly, if you choose water softeners, the charges vary between $200 – $500 along with the workmanship costs of $400 – $2,500.

Nonetheless, investing in a home water filtration system is a balance between cost and quality. While the initial investment may seem high for some systems, the long-term benefits of cleaner, safer water are invaluable.

Recommended read: 

How Much Do Culligan Water Softeners Cost | Price Reveal – Water Treatment

Are Water Softeners Expensive? – Water Treatment

Whole House Reverse Osmosis Filter Systems: The Definitive Guide for Home Owners – Water Treatment

The Filter Guy

Scott Birch is a water filtration installer and designer. He has worked in the industry for many years and is very familiar with and knowledgeable about residential water treatment equipment. Scott enjoys helping people get the most out of their water filtration systems and ensuring that their homes are getting the best possible quality of water.

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