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How to Install a Whole-House Water Filtration System?

Published by: Paulo Baker

How to Install a Whole-House Water Filtration System

A whole-house filter system provides clean water all through your entire home. This allows you to take pleasure in clean and delicious drinking water at each tap, showers free of chlorine, as well as brighter clothes.

Step-by-step Guide to Install a Whole-House Water Filtration System

Before starting the installation, you have to read the manual carefully and ensure you comply with plumbing codes in your area. If you have doubt, it is advisable to contact the product manufacturer.

This is the most complex and complete system for your residence. Usually, a whole-house installation is used if you care about the quality of water in your home. The installation is the same as other types of filters since they vary in filtering the water and the contaminants they get rid of.

When setting up the whole house filter system, you will need these tools:

  • A drill
  • Assorted drill bits
  • Two adjustable wrenches, varying sizes
  • Tubing cutter
  • Buckets to catch water remaining in the main supply after shutting off
  • Whole house water filter unit

Now, these are the steps to install a whole-house water filter system you must follow, especially if you are doing it yourself.

  • Pick an accessible location; however, ensure that it is close to the main or major shutoff valve. Also, ensure you have room under the unit to change the filter when needed.
  • Cut the pipe and set up a shutoff valve. You need an adapter on every side of the water filter to link the pipe size and the new filter system.
  • Assembling the use to be made sure you are to access and replace it with ease. If you are pleased with the ease of a filter change, mark it for cutting.
  • Marking the pipe is advisable to make a precise and useful cut.
  • Time to set up your new filter system. Don’t forget to slide on the compression ring ad place the nuts to create a leak and snag-free connection.
  • Your next move is to tighten the nuts and ensure a safe connection.
  • Turn on the water at the valve. Make sure there is no leak, or tighten the connection.
  • If you have a ground wire set up to the water supply pipe, it is advisable to put in a jumper wire to bring back this feature.

So, now you’ve successfully set up an effective water filter unit. It is now ready to use!

You can also watch this video to see how to install a whole-house water filter system…

Why Proper Installation of the Whole House Water Filter System Important?

If this filter system is installed rightly and correctly, clean, crisp, and excellent tasting drinking water without chlorine is transported to each tap all through the family or home.

For those planning or wanting to set up a whole-hour filter system, the first and important question that pops up in their mind is, how hard is setting up this whole-house water filter?

Setting up or installing a whole-house water filter is so easy. In fact, you don’t need to be a professional plumber to set it up.

On a 1 to 10 scale, the complexity of installing this whole house filter system is about 5, provided that you have the appropriate tools available, patience, time, and organization. If you have these, you can have the whole-house filter system up and running fast. 

The Best Place to Set Up Whole-House Water Filter System

Before installing your whole-house water filter system, first, you need to choose where you want to install the water filter. This whole-house water filter signifies the whole house will get filtered water apart from faucets.

Should you install the whole house water filter system inside or outside? In general, an inside setup will assists you keep the water system safe from the elements and weather. An inside setup will make the maintenance of the whole house water system practical and more accessible. On the other hand, the choice is all up to you.

Before or After Water Softener

Many people ask if they should set up the water filter system before or after the softener. For public supplies, before the softer is ideal to avoid ion exchange from chlorine. 

For superb supplies, it is best to set up after softener to make sure full flow.

Is Outside Installation of Water Filter Unit a Good and Smart Idea?

An outside setup of a water filter unit is not totally out of the question; however, putting your water filter system in the basement or garage is the perfect option.

The Installation Process

A whole-house water filter unit works the same way, and the whole process of setting up is the same. With a complexity level of five, many people with basic knowledge and skills in fixing or building things can complete the installation of the water filter unit in just a couple of hours.

The good news is that regardless of the model you pick, the basic process of setting up this system is similar. If you’re handing


Now that you already know the process of installing a whole house water filter unit, it is work considering the price of the filter. The price varies from area to area. You must have the water supply tried and tested to know them well- or city water contaminants. When you test the tap water, you will know the right kind of filter you need (ion exchange, reverse osmosis, or carbon) for the under-sink, countertop, or whole-house water filtration unit.

Setting up a whole-house water filtration system is a relatively hard and complex task that is best left to a skilled plumber. Don’t be shy about contacting an expert if you think the task is a bigger project that you cannot handle.

When installing the water filter system, close the water supply before taking steps to set up the water system. If you fail to do so, you’ll get undesirable water under pressure surprise. If you’re concerned about the water quality coming into your home, a pitcher that has a filter or one attached to the kitchen faucet might be the best and most cost-efficient solution. 

On the other hand, if you want your wash-up water and shower water to be cleaned and pure, installing a whole-house water filter unit is the best and ideal choice. You can contact the nearest supplier to know the best whole-house water filtration unit available.


Where should a whole house water filter be installed?

You will want to pick a place close to the main source of water. Other factors to consider when finding a location include places that provide fast access for easy maintenance and upstream of the water heater.

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

On average, you need to pay about $2,000 to set up this system, including materials. However, the cost of the setting up depends on the complexity and type of the filter system you buy. Simpler systems will cost you less than $1,000, while the complex and comprehensive ones will cost you more.

Does a whole house water filter reduce water pressure?

Yes. This will need a whole house water filter unit to slow down the flow- quite literally. This will handle incoming contaminants, leading to healthier and cleaner water from each faucet in your home.

How long do whole house water filters last?

On average, your whole-house water filter unit will last for the following periods; Pre-Filter will last 3 to 6 months, while Post Filter will last for up to one year, and Carbon Filter will last up to 12 months.

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Article by:

Paulo Baker

Paulo is a senior writer at Dash Appliances, where he research, writes, and reviews home and commercial water filters. Paulo is covering home-related things like water filters, vacuum cleaners, and more since 2019. When he's not researching and testing, he's traveling and playing golf.

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