Billi Media

12th Jun 2025

The Best Under Sink Drinking Water Filter Systems

When it comes to choosing the best under-sink drinking water filter system for your home, there are a few things you need to consider.

 

How To Choose The Best Under Sink Drinking Water Filter System For Your Home

The most important factor is undoubtedly the quality of the water in your area.

If you have particularly hard water or if there are contaminants in your water supply, you’ll need a filter that can handle those specific issues.

Another thing to consider is how often you’ll need to change the filters.

Some filters need to be changed every few months, while others can last for up to a year or more. It’s also important to choose a filter that’s easy to install and doesn’t require too much maintenance.

 

Why You Should Have an Under-Sink Water Filter System

An under-sink filtration system is a great way to have convenient and easy access to high-quality drinking water without cluttering up your benchtop. With benefits including:

  • Space-Saving Design: Billi’s systems tuck away neatly under your sink, freeing up counter space and eliminating the need for bulky water coolers or kettles.
  • Convenient Access: Enjoy boiling, chilled, or even sparkling water instantly, without the wait or having to clutter your countertop with separate appliances.
  • Minimal Aesthetics: As well as not having to look at a garish and bulky countertop system, undercounter systems like Billi’s come in sleek and modern designs to complement your kitchen’s aesthetic.

 

The Best Under Sink Drinking Water Filter System Technology

With over 30 years at the forefront of the under kitchen sink water filter system industry and an in-house research & development team, our systems feature some of the best under sink drinking water filter system technology including:

  • Heat exchange and energy reclaim technology enables our systems to achieve substantial energy savings
  • Ice bank technology that provides consistently chilled water and a higher level of carbonation for sparkling water
  • Eco-Intelligence technology with a self-learning timer that allows the unit to only operate when required (available with our Eco and Sahara commercial models only)
  • Adjustable chilled water temperature and sparkling level

 

 

The Billi Difference

Our under sink hot cold water filtration systems feature sleek and modern dispenser styles that come in a range of popular finishes including chrome, matt back, matt white, brass and rose gold.

With under-sink hot and cold water filter systems you have instant access to boiling and chilled water – we also have systems that provide sparkling water on demand too!

No more waiting for the kettle to boil (in fact, you don’t even need a kettle anymore!) This means less plastic bottles of water cluttering up the fridge and no bulky carbonation machines where you have to manually make sparkling water.

Billi also stands out with its advanced multi-stage filtration technology, ensuring every drop is clean and delicious. Our partnership with BWT, Europe’s largest water treatment products company, brings you unique Fibron X® technology that uses activated carbon fibre in a graded density profile for superior contaminant reduction and filter life, ensuring:

  • Sediment Reduction: Filters out particles, providing clear water.
  • Chemical Adsorption: High-level chlorine and chemical reduction for taste and odour improvement.
  • Mineral Management: Allows essential minerals through without scale build-up.
  • Cyst & Lead Removal: For peace of mind, selected models (994052 & 994060) significantly reduce harmful contaminants, including lead, by up to 98.93%, as independently tested and certified.

Features Of Our Under Kitchen Sink Water Filter Systems

  • Modern and stylish ergonomically designed dispensers available in a range of finishes
  • Our under-kitchen sink water filter systems have one of the smallest footprints on the market so don’t take up lots of valuable cupboard space
  • Our filters are premium quality removing sediment, chemicals, minerals, cysts and lead from your water (they are also easily available for purchase online and you can install them yourself)
  • Ongoing support is available for our kitchen water filtration systems for under sinks including technical support and service plans.
  • Splash-free boiling water delivery and safety lock that locks off access to boiling water – ideal for young families

 

Billi filters vs standard filters diagram

 

Choosing The Best Under Kitchen Sink Water Filter Service Plan

When it comes to choosing the best under kitchen sink water filter service plan, there are a few things you’ll need to take into account.

How often do you want your water filter replaced? What type of maintenance do you feel comfortable doing yourself? And finally, what’s your budget?

We offer a range of service plans to suit various needs. We have an Australia-wide network of trained service technicians and service agents that provide technically correct, prompt, and reliable servicing of your under-kitchen sink water filter system.

So, whether you’re looking for a no-frills plan where you replace filtered yourself or just want someone else to take care of it all for you, Billi has a plan that’s perfect for you

All our kitchen water filtration systems for under sinks also come with a 12-month warranty for parts and labour.

We recommend replacing your filters every 12 months (or more often if your area requires a higher level of filtration or you have a high usage).

 

Find The Best Under Kitchen Sink Water Filter For Your Home Or Office

We have Billi stockists located conveniently throughout Australia.

Find your nearest stockist and head in-store to speak with your local under kitchen sink water filter system experts about the best under kitchen sink water filter for your requirements.

For commercial under kitchen sink water filter systems, use our SPEC Generator to find the best under kitchen sink water filter for your office or commercial space.

You can also now purchase under kitchen sink water filter systems easily online where you can also book installation with a qualified tradesperson.