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How to choose a whole house water filter system

The whole house water filter is a water treatment system that is connected to the main water supply. The system makes sure all water coming into your house is treated. You will get purified water in the bathroom, toilet, kitchen, and laundry. Having said that picking the right system for your whole house is not an easy task. In this article find out how to choose a whole house water filter system.

How to choose a whole house water filter system

Tips on how to choose a whole house water filter system

  1. Capacity

When purchasing a whole house water filter, it is excellent to know how many gallons of water the system can filter.

The more gallons of filtered water, the better, meaning you will enjoy an uninterrupted water supply.

Also, capacity depends on the number of people living in the household. The large the family the more demand for water and requires you to have a whole house system that has high capacity.

  1. Filtering Technology

The effective water filter is the one that involves different stages or technology of filtering water.

The more the stages the higher the number of contaminants to be removed and guarantees quality water for drinking.

  1. Cost

Remember when buying a whole house water filter the price is only for the system but there are other expenses you will incur along the way such as 

  • Installation fee (in case you require a plumber to install)
  • Maintenance fee- this include the cost of filters and cartridges that need to be replaced yearly or twice in a year.
  1. Amount of impurities filter can remove

All water sources have different impurities and require a different method to remove contaminants.

If you are getting water from a well understand this is untreated water you need a system that is capable of removing contaminants such as iron, bacteria, and viruses. Also, not all whole house water filters are meant for well water they are systems that are designed specifically for well water.

Water supplied by municipal have contaminants such as chlorine and might be fewer because it is already treated. Most standard whole-house systems can be used to filter municipal city water supply. You can request water reports from local municipalities to know possible contaminant’s presence in the water.

Make sure your filter can remove different and all contaminant presence in your water source.

  1. Installation

The whole house water filter is installed to the main pipe that the facts require plumbing work.

Choose the filter that doesn’t involve complicated plumbing work, which is easy to install.

Also, when replacing a cartridge or filter you need a system that is easier to change.

  1. Flow rate

Flow rate is the amount of water the system is able to provide. It is measured in gallons per minute (GPM

You will need a system that meets or exceed your need. Your demand rating depends on the appliances you are using.

Like shower require a flow rate of 2.5 to 5GPM, dishwashers 3GPM, and toilets 5GPM. The flow rate of the appliances is printed on the unit or check on the manual.

An average household has a flow rate between 15-40GPM but this depends on the number of people living in the house and the appliances you are using.

A good water filter should not reduce the flow rate of water regardless of the filtering process.

During the filtering process, the water from your faucet or shower won’t reduce its pressure.

To enjoy an uninterrupted water supply you need a whole house system that meets or exceeds your demand

  1. Filter life

The whole house water filter system uses a combination of the cartridge such as carbon block, sediment filter, and more. All these filters do not last forever, after some time they require to be replaced.

When buying the system you must know how many gallons of water the filter will treat and after what period you should replace it.

  1. Certification

For better quality and guarantee of safety, you need a system that is tested and certified by independent bodies such as American National Standards Institute (ANSI), FDA, water quality association (WQA), and NSF (National Sanitation Foundation).

  1. Additional features

There are water filters that come with extra accessories such as water softeners to soften hard water or UV light that kills viruses.

You can consider buying a system that has an extra accessory as long as it filters all the contaminants in your water.

  1. Types of whole house water filters

There are two types of whole house water filter cartridge filter and backwashing filter. The backwashing filter is a large water filter that is used when you need filtered water faster in the house.

Backwashing includes a tank that contains media. Water flows in the tank and contaminants get stuck in the media allowing clean water to pass through.

Backwashing whole house water filter

AO Smith Whole House Water Filter System

  • Carbon Filtration that reduces chlorine
  • NSF Certified –
  • Lasts for 6yr/600,000 Gallons

 NameImageFilterContaminantsWhere to buy
13M Aqua AP903Replacement cartridge AP917HD

sediments, scale, chlorine, rusts, silts, taste and odorBuy from Amazon
2Aquasana Sediment Pre-filters, EQ-PFC.35 post-filter, and a replacement tankchlorine, rust and dirtBuy from Amazon
3Watts WH-LDsediment, silt, dirt, and rust.Buy from Amazon
4iSpring WGB32Bchlorine, herbicides, pesticides, sediments, rust, industrial solvents, VOCsBuy from Amazon
5DuPont WFPF38001CDuPont WFPFC4002sediments, chlorine, silt and rust.Buy from Amazon
6Culligan HF-360ACW-F, S1A, CW-MFsediments, sand, chlorine, silt, and rustBuy from Amazon
7Home Master HMF3SDGFECCFDGD2501 sediment, CFRFGAC20-20BB GACchemical, tastes and odor, sediment, dirt, silt,iron, manganese and hydrogen sulfideBuy from Amazon
8EcoPure EPWHE No Mess EcoPure EPWHEF filterchlorine taste & odor, sediment, sand & siltBuy from Amazon
9GE GXWH20S GE FXUSCsediment, scale, dirt, and rustBuy from Amazon
10Whirlpool WHELJ1 sediment, chlorineBuy from Amazon
11Reverse osmosis revolution-3stageReverse Osmosis Revolution 4 Years Supply (24 pcs) Dust, dirt, silt, sand, rust, scale particles, chlorine, radon, VOCsBuy from Amazon
12APEC 2-Stage (CB2-SED-CAB20-BB) APEC Water Systems Filter-SET-CB2-20BB 20" dirt, sand, silt & rust, chlorine, taste, odor & organic compounds (VOCs)Buy from Amazon
13Express Water 3 Stage Home Water Filtration System Express Water FLTWH2045CGS1 Chlorine, Volatile Organic Chemicals (VOC), Herbicides, Industrial Solvents, Insecticides, Chemicals, Total Organic Carbon (TOC), Pharmaceuticals, Turbidity, PesticidesBuy from Amazon
14AO Smith Whole House Water Filter System No replacement filterChlorineBuy from Amazon

Hoping the above tips help choose a whole house water filter system that is right for your home.

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