Water Filter Types & Technologies (Detail Info Guide) For Your Home

 Last updated  - November 19th, 2021

Water filter technology plant

Choosing a water filter for your home is not the easiest choice. Below are a series of tables and guides we hope will help you make the smartest choice!

Contaminants in Your Water

Before you get a water filter to target a specific contaminant, it is important to read all the details. Do not forget to read the manufacturer’s specifications. Here. you will find all information regarding the type of filtration technology, certifications, and users’ reviews.

CONTAMINANT WATER FILTER TECHNOLOGY
Chlorine and chloramines Absorption “ ACB and GAC
Sediment and particles Absorption “ ACB and GAC | Reverse Osmosis | UF
Lead Reverse Osmosis | Distillation
Bacteria and viruses Reverse Osmosis | Distillation | UV | UF
Radiological elements Reverse Osmosis | Distillation
Pesticides Absorption “ ACB and GAC | Reverse Osmosis | Distillation
Hardness Minerals (calcium & magnesium) Ion-Exchange | TAC
Nitrate and nitrites Reverse Osmosis | Distillation
Fluoride Reverse Osmosis | Distillation | AA
VOCs Absorption “ ACB and GAC | Reverse Osmosis | UF
Heavy Metals Reverse Osmosis | Distillation | UF
Arsenic Reverse Osmosis | Distillation | AA
Sulfate Reverse Osmosis | Distillation | Ion-Exchange
Selenium Reverse Osmosis | Distillation | AA

When choosing the best unit for your home, you will also need to take into consideration the filters’ setup, the order of installation, and the intensity of filtration.

Choosing a Water Filter

Aside from the different filtration methods, you will also want to consider the technical details. Moreover, you may need to look into how to use and install your unit. This process will vary. Different systems can range from basic setup and filtration intensity to complex, multi-stage structures, and high power.

For this reason, we will continue our presentation on how to choose a water filter for your home. But this time, we will focus on the following: filters’ sizes, setup, and intensity of filtration. 

As mentioned, most filter systems are split into two main categories: Point-of-Entry filters and Point-of-Use filters. Current technology allows us to install some filters as either POE or POU.  

Here is a more straightforward way to categorize the most popular filters on the market today.

Basic Setup & Small/Medium-Sized Water Filters and Water Treatments

  • Carbon-based water filter pitchers;
  • AC faucet water filters;
  • Carbon-based single-stage countertop water filters;
  • AC single-stage under sink water filters;
  • Water distillers;
  • Fluoride water filters;
  • Filtered water bottles;
  • UV filters;
  • Water descalers;

Advanced Water Filters and Water Treatments

  • Multi-stage carbon-based countertop water filters;
  • Multi-stages RO under sink water filtration systems;
  • Multi-stage AC whole house water filters;
  • Multi-stages RO whole house water filters;
  • Water softeners;

Complex Setups for Severe Water Contamination Problems

  • Add a Sediment filter + Activated Carbon Block (ACB) + Reverse Osmosis (RO) filter
  • Start with Sediment filter + ACB filter + RO filter + Granular Activated Carbon (GAC) filter
  • Install a Sediment filter + GAC filter + ACB filter + RO filter
  • Try a Sediment filter + GAC filter + ACB filter + RO filter + Ultraviolet (UV) filter

Water Filters’ Mounting and Installation

  • Wall-Mounted/Floor Mounted Water Filters These filters are usually the POE type. They need a free wall or a large free surface in your house for installation. In this category, you will most likely find whole house filters and water softeners. Some reverse osmosis filters are large enough to need a special place in the kitchen. Some countertop filters can also stay on a wall in the kitchen, but they do not need much space.
  • Under-Sink Water Filters It all depends on how much space you have under your sink. Some RO under-sink filters have compact designs. Others are large and bulky. Under-sink water filters, no matter their technology, are the obvious choice due to their low installation requirements.
  • On-the-Counter Water Filters This is another great option if you do not have room under the sink. The important thing to remember is to make sure your new filter matches your faucet.
  • Fixture-Mounted Water Filters These filters come in different forms and types of units. Common applications include a kitchen faucet filter or a showerhead filter. Make sure to read the instructions carefully as mounting may be required.
  • Unit-Mounted Water Filters Here,  you will find fridge water filters and sometimes water cooler dispensers. These units usually come with incorporated water filters.
  • Pitchers and Dispensers From water filter pitchers to filtered water bottles or even gravity filters for outdoor enthusiasts, you have a broad range of products that go wherever you go.

Now let’s see some popular setups and installations depending on the contamination and issues you may have in your home!

WATER PROBLEM REQUIRED FILTRATION INTENSITY FILTERS’ INSTALLATION & SETUP ORDER
Municipally treated water that is soft and of good quality Low / Moderate Sediment filter -> ACB/GAC filter
Municipally treated water that is soft and of low quality High Sediment filter -> UF filter -> ACB/GAC filter
Municipally treated water that is hard and of good quality Low / Moderate Sediment filter -> Water Descaler
Municipally treated water that is hard and of low quality High Sediment filter -> Water softener -> ACB/GAC filter
Private well water that is soft and of good quality Low / Moderate Sediment filter -> POE UV filter -> POU RO water filter
Private well water that is hard and of low quality Hight Sediment filter -> UF filter -> POE UV filter -> POU RO filter

 Your Home Type and Water Problems

You may live in a small home in the country. Some live in large houses in the suburbs, while others rent city apartments. Your contamination problems can range from mild to severe.

You may also want to remove the bad taste and odor of your water or get rid of limescale once and for all. Find your filtration system in the table below!

Water Problem Mild Contamination Moderate Contamination Severe Contamination
Chlorine and chloramines in small homes in the city Water filter pitcher Countertop water filter/Faucet water filter ACB/GAC Countertop water filter + Distiller
Chlorine and chloramines in large homes Water filter pitcher Countertop water filter/Faucet water filter ACB/GAC Whole house water filter + Under-sink RO water filter
Bad water taste and smell in small homes Water filter pitcher Faucet water filter ACB/GAC Countertop water filter
Bad water taste and smell in large homes Faucet water filter Countertop water filter ACB/GAC whole house water filter
Well water Whole house water filter Whole house water filter + RO under-sink water filter ACB/GAC Whole house water filter + RO under-sink water filter + UV filter
Sediment and particles in small homes Sediment filter/Faucet filter Water filter pitcher/Countertop water filter Under-sink RO water filter
Sediment and particles in large homes Sediment filter/Faucet filter Countertop water filter/Under-sink RO water filter ACB/GAC Whole house water filter + RO under-sink water filter
Lead in small homes Countertop water filter Water distiller Under-sink RO water filter
Lead in large homes Countertop water filter/Water distiller RO under-sink water filter + Water Distiller ACB/GAC Whole house water filter + RO under-sink water filter + Water Distiller
Bacteria and viruses Water Distiller RO Under-Sink Water Filter RO Under-Sink Water Filter + UV filter
Radiological elements Water Distiller RO Under-Sink Water Filter RO Under-Sink Water Filter + Water Distiller
Pesticides in small homes Countertop water filter/Water distiller RO Under-Sink Water Filter RO Under-Sink Water Filter + Water Distiller
Pesticides in large homes Countertop water filters/Water distiller RO Under-Sink Water Filter ACB/GAC Whole house water filter + RO under-sink water filter
Hard water in small homes Electronic water descaler RV water softener TAC technology
Hard water in large homes Electronic water descaler TAC System Whole house water softener
Nitrate and nitrites Water distiller RO Under-Sink Water Filter ACB/GAC water filter + RO under-sink water filter
Fluoride Fluoride Water Filter Water Distiller RO under-sink water filter
VOCs Countertop water filter/Water filter pitcher/Faucet water filter RO under-sink water filter ACB/GAC water filter + RO under-sink water filter
Heavy Metals Countertop water filter/Water filter pitcher/Water distiller RO under-sink water filter RO under-sink water filter + Water distiller
Arsenic Fluoride water filters (AA-based) Water Distiller RO under-sink water filter
Sulfate Water Distiller RO under-sink water filter RO under-sink water filter + Water Softener
Selenium Fluoride water filters (AA-based) Water Distiller RO under-sink water filter

Budget

Budget is always an issue when it comes to choosing necessities for your home. This is no exception when picking the best water filter. There are a variety of different units at different prices. But you will also want to consider the fact that filters at different price ranges generally have different capabilities. Here’s a look: 

  • Low-budget water filters are usually the ones you find in the “basic category. They include faucet filters, water filter pitchers, some countertop filters, and many of portable water filters.
  • Medium budget filtration systems are medium-to-complex devices. They include distillers, fluoride, TAC softeners, water descalers, and some UV water filters.
  • High budget systems include multi-stage filtration systems. These usually sport combined filtration technologies. In this category, you will find whole house water filters, reverse osmosis filters, water softeners, and some high-end distillers and water ionizers.

Let’s take a look at a few solutions to your contamination problem. We will also mention products that may best fit your budget!

Water Problem Low Budget Medium Budget High Budget
Bad water odor and taste ACB/GAC faucet water filter or
ACB/GAC water filter pitcher
ACB/GAC countertop water filter ACB/GAC whole house water filter
Chlorine ACB/GAC faucet water filter or
ACB/GAC water filter pitcher
ACB/GAC countertop water filter or Water distiller ACB/GAC whole house water filter
Hard water and limescale Water descaler TAC technology Whole house water softener
Bacteria and other waterborne pathogens Water distiller UV water filter RO Under-sink water filter + UV filter
Lead Water distiller RO Under-sink water filter ACB/GAC whole house water filter
Fluoride AA fluoride water filter Water distiller RO Under-sink water filter

We hope we offered you enough information to help you make the best choice! If you need specialized setups and installation information to meet the particularities of your home, make sure you discuss it with a professional plumber. Moreover, you can read our guides on a water filter to get the best products and devices for your requirements!