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Whole House

Protect your family with pure water for drinking, bathing, and appliances.
Clean water for whole house: reduces sediment, chlorine, odors, tastes.
Revitalise your water with Australia’s leading water softener system.
Eliminate bacteria and viruses across your entire home with UV filtration.
Under Sink

Ultra-pure drinking water: removes fluoride, chlorine, lead, and harmful contaminants.
Rebalance your water: added calcium, magnesium for healthier alkaline drinking.
Chilled, Boiling & Sparkling

Instant hot water for beverages and cooking, purified and mineral-enriched.
Enjoy instant, filtered, mineral-rich chilled water straight from your tap.
Enjoy instant, boiling, chilled and sparkling water straight from your tap.
Water Filter Package Bundles

Total home water protection with advanced reverse osmosis purification.

Find your water filter cartirdge replacement, accessories, or update your water filter replacement.
12-month interest-free, 4 Afterpay instalments or pay on completion with our No-Fit-No-Fee Guarantee.
Hassle-free filter replacements ensure consistently clean, safe drinking water at home.
Professional licensed plumber installs your water system perfectly, quickly, and at no cost.
Exclusive membership program offers decade-long savings and priority benefits for members.
Complete peace of mind with comprehensive warranty and reliable product guarantee.
Precision-designed water systems, crafted in Australia for durability, reliability, and peak performance.
ES5Q Auto Digital Backflush
Our flagship Whole House features high-flow auto flush technology to deliver unmatched pressure and cartridge life
Australia & New Zealand Coverage
With 33 years of water filtration experience and over 35,000 customers served, we provide fully installed, hassle-free systems across Australia and New Zealand.
How Whole House Water Filtration Protects Your Home

How Whole House Water Filtration Protects Your Home

Key Takeaways: How Whole House Water Filtration Protects Your Home

  • Whole house water filtration treats all water at the point of entry, protecting every tap, shower, and appliance in your home.
  • Removing chlorine, sediment, and minerals reduces scale build-up that damages hot water systems, dishwashers, and washing machines.
  • Filtered water throughout your home supports healthier skin and hair by reducing chlorine exposure during showers and baths.
  • Great Water Filters installs whole house filtration systems across Australia with licensed plumbers and backs them with a 10-year care package.
  • Cleaner water means longer-lasting plumbing, fewer appliance repairs, and better-tasting water from every tap.

What Does a Whole House Water Filtration System Do?

A whole house water filtration system connects to your main water line and treats water before it reaches any fixture in your home. This means every tap, showerhead, washing machine, and dishwasher receives filtered water—not just your kitchen sink.

Unlike under sink filters or faucet filters that only treat water at a single location, whole house filtration gives you consistent water quality throughout your property. You're not choosing between drinking filtered water and showering in unfiltered water. You get both.

These systems typically use multiple filtration stages to remove chlorine, sediment, heavy metals, and other contaminants from your water supply. The result is cleaner, better-tasting water for drinking, cooking, bathing, and household chores.

What Does a Whole House Water Filtration System Do

How Does Whole House Filtration Protect Your Appliances?

Hard water minerals and sediment act like tiny abrasives moving through your plumbing and appliances. Over time, calcium and magnesium deposits build up inside pipes, water heaters, and appliances—reducing efficiency and shortening their lifespan.

Your hot water system works harder when scale accumulates on heating elements. This drives up energy bills and accelerates wear. Dishwashers and washing machines face similar problems when minerals and sediment circulate through their internal components.

A whole house filtration system catches these particles before they enter your plumbing network. By removing sediment, chlorine, and mineral deposits at the source, you reduce scale build-up and help your appliances operate more efficiently for longer.
Dishwashers, washing machines, and coffee machines also benefit from filtered water. Reduced mineral content means fewer deposits on internal parts, less residue on dishes and clothes, and better-tasting beverages.

How Does Whole House Filtration Protect Your Appliances-1

Why Does Water Quality Affect More Than Drinking Water?

Many homeowners focus exclusively on drinking water, but water quality impacts every aspect of daily life. When chlorine, sediment, and minerals circulate through your home's plumbing, they contribute to dry skin and hair, faded clothing, and stubborn residue on fixtures.

Chlorine—added to municipal water supplies to kill bacteria during transport—dries skin, strips natural oils from hair, and can irritate eyes and respiratory passages. While chlorine serves an important purpose in water treatment, it doesn't need to remain in your water once it reaches your home.

A whole house filtration system removes chlorine before it reaches your shower, bath, or taps. The CDC recommends home water treatment systems as an effective way to reduce specific contaminants in household water.

How Does Whole House Filtration Support Family Health?

Cleaner water throughout your home means reduced exposure to contaminants during daily activities. Showering, bathing, cooking, and drinking all involve water contact—and a whole house system addresses each of these touchpoints.

When you bathe in filtered water, you reduce chlorine absorption through your skin. Many families report softer-feeling skin and hair after installing whole house filtration, along with reduced irritation for those with sensitive skin.

Cooking with filtered water can improve the taste of food and beverages. Water makes up a significant portion of many recipes, and removing chlorine and other taste-affecting contaminants produces cleaner flavours.

What About Homes Using Tank, Bore, or Rainwater?

If your home relies on tank water, bore water, or rainwater rather than mains supply, filtration becomes even more important. Private water supplies aren't subject to the same treatment processes as municipal systems.

Tank and bore water may contain sediment, iron, manganese, bacteria, or agricultural runoff depending on your location and water source. A whole house filtration system can address these concerns by treating water before it enters your household plumbing.

Great Water Filters offers whole house systems designed for Australian conditions, including options with UV sterilisation and water softening for homes with tank or bore water supplies.

What Are the Signs You May Need a Whole House Water Filter?

Common indicators include chlorine taste or smell in your water, cloudy or discoloured water, and white scale build-up on taps and fixtures. Dry or itchy skin after showering and appliances wearing out faster than expected can also signal water quality issues.

If you've noticed sediment after rainfall or pipe work, rust-coloured staining in sinks or toilets, or a metallic taste in your water, these suggest contaminants that whole house filtration can address.

A professional water assessment helps determine which filtration solution suits your specific water conditions. Testing identifies exactly what's in your water so you can choose the right system for your needs.

Filter System Comparison: Choosing the Right Protection for Your Home

Feature / Benefit Whole House Filtration System Standard Under-Sink / Jug Filter
Point of Protection Main water line (Treats all water entering the property) Single point of use (Kitchen tap/sink only)
Appliance Protection High – Eliminates sediment and scale build-up in hot water systems, dishwashers, and washing machines. None – Internal plumbing and large appliances remain completely unprotected.
Skin & Hair Health Main water line (Treats all water entering the property) Single point of use (Kitchen tap/sink only)
Water Source Versatility Ideal for Mains, Tank, Bore, or Rainwater (Can include UV sterilisation & softeners). Typically limited to treated municipal town water.
Maintenance Profilen Simple periodic cartridge replacements every 6 to 12 months (backed by a 10-year care package). Frequent, low-capacity cartridge changes or manual jug refilling.
Installation Professional installation by a licensed plumber included for seamless pressure management. DIY or basic under-sink setup.

How Is a Whole House Filtration System Installed?

Installation involves connecting the filtration system to your main water line where it enters your property. A licensed plumber positions the system before your internal plumbing network, ensuring all water passes through the filters before reaching taps and appliances.

Professional installation ensures proper connection, adequate water pressure, and correct positioning for easy maintenance. Most homeowners notice no change in water pressure after installation when the system is sized correctly for their household.

Great Water Filters includes free professional installation by licensed plumbers across Australia. The process typically takes a few hours, and you'll have filtered water flowing through your entire home the same day.

What Maintenance Does a Whole House System Require?

Whole house filtration systems require periodic cartridge replacements to maintain performance. Replacement schedules depend on your water quality, water usage, and the specific system installed—typically every 6 to 12 months.

Regular servicing ensures your system continues removing contaminants effectively. Some advanced systems include automatic features like backflushing that reduce maintenance requirements and extend filter life.

With Great Water Filters' 10-year care service and support package, you receive annual reminders when cartridges are due, records of your filter history, and priority support for any questions or concerns.

FAQs About Whole House Water Filtration

Does whole house water filtration reduce water pressure? When correctly sized for your household, a whole house filtration system maintains normal water pressure. Professional installation ensures the system matches your home's water flow requirements. Great Water Filters' systems are designed to deliver filtered water without noticeable pressure loss.
How long does a whole house water filter system last? The filtration system itself typically lasts many years with proper maintenance. Cartridges require replacement every 6 to 12 months depending on water quality and usage. Great Water Filters backs systems with a 4-year warranty on parts and 2-year labour guarantee.
What contaminants does whole house filtration remove? Whole house systems remove chlorine, sediment, rust, and heavy metals from your water supply. Advanced systems can also address fluoride, bacteria, and scale-causing minerals. Great Water Filters offers micro filtration down to 1 micron, removing dirt, chlorine, heavy metals, and bacteria.
Is a whole house water filter worth it for Australian homes? Australian water conditions vary significantly by region. Many households experience chlorine taste, hard water, or sediment issues that whole house filtration addresses. The protection for appliances and plumbing—combined with health benefits—makes whole house filtration a worthwhile investment for many families.
Can whole house filtration help with dry skin and hair? Yes. Chlorine in shower water contributes to dry, irritated skin and hair. By removing chlorine before it reaches your shower, whole house filtration reduces this exposure. Many Great Water Filters customers report softer skin and hair after installation.

Conclusion: Protecting Your Home, Appliances, and Family with Cleaner Water

A whole house water filtration system treats water at the point it enters your property, delivering cleaner water to every tap, shower, and appliance. This protects your plumbing from scale build-up, extends appliance lifespan, and supports healthier water use across your entire home.

Understanding your water quality helps you choose the right filtration approach for your household. A professional assessment can identify specific concerns and recommend appropriate solutions.

Clean water isn't just about what you drink—it's about every shower, load of laundry, meal prepared, and appliance protected throughout your home.

Reviews

“Great service and support. Great Water Filters send me an annual reminder when my filters are due, they keep records so I get the right filters at the right time.
Support is unparalleled. I get help when I need by phone and in the event of something going wrong, Great Water Filters had a representative from WA to help resolve the issue in one visit.
Phone support, ordering additional filters (for showers), and response times are excellent. I recommend them highly!”
Peter H.27 August 2024
“Quality finishes, water and customer service. From meeting Paul at the Home Expo, to engaging with Levon to help plan and work through all our queries and ultimately to Shannon implementing the system we're delighted with the result and enjoying the filtered water at every tap point in our home...and without loss of pressure. Thanks Great Water Team!”
Yianni S.27 August 2024
“Fantastic experience from start to finish. No pushy sales like the other company we enquired with. We kind of knew what we wanted, and any questions we had were answered honestly and concisely. We’re loving having filtered water throughout the whole house with no noticeable water pressure loss. Thanks for being such a wonderful company to deal with. I have already recommended the whole home filtration system to several of our family and friends”
Christie K.27 August 2024
“Very happy with the quality of the product and the service. We have gone from having dirty, hard water (awful town supply!) to clean water that feels soft after the installation of a whole-house filter. The whole process was quick, taking less than a week from my first approach to Great Water to the filter being installed. The plumber assigned was friendly and professional. A very small amount of seepage we had after installation was fixed within a day after one text message to Great Water. While the price may put some off, we see it as a saving on the jug filters we no longer need to buy, and on the damage the old hard water used to do to the bathroom, kitchen and cars. I would definitely recommend Great Water's household filter system.”
Paul27 August 2024

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