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16+ Years of Experience

Our team has extensive experience offering expert solutions to underground water tanks and pool conversions.

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Custom Tailored Solutions

We are able to find a solution for any job based off our flexible design solutions tailored for any site access.

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10 Year Warranty Guarantee

We back our water tank solutions with a warranty as we’re completely confident in our product.

Gain Valuable Knowledge on Sustainable Water Management Practices

This book is about how I devised a unique water storage system with many innovations that are Agile, Safe & Tough as nature intended with the major recycled components available locally for ease of supply & to minimise transport, providing easy-to-implement sustainable solutions & insights for your water storage & irrigation to pool conversion fill ins & solving drainage concerns.

Key Takeaways From “SAVE MONEY, WATER & THE ENVIRONMENT – The Unique Underground Eco-friendly Water Collection & Storage System”

  • How to capture, Filter, Drain & Recycle Water for Drought & Flooding Rain!
  • The way to replicate a natural Aquifer on your land to Catapult water catchment & storage 3-fold.
  • How to conserve & grow plant life as nature intended all the while maintaining topsoil moisture & improving drainage
  • The breakthrough designed gravity overflow underground that equates to Significant Savings that also simplifies installation & makes maintenance virtually redundant.
  • The No.1 system that adapts & moulds to natural or man-made cavities, providing a solution for, & repurposing, an unwanted Swimming Pool with ease.
  • The amazing “Out of Sight…Out of Mind – Tankless” system – under a lush lawn, vegetable garden, paving, driveway or in that pool you no longer want.
  • The drastic drop in your utility bills as you maximise the use of free rainwater, especially during dry seasons.

Tankless for Drought & Flooding Rain™

This game-changing book is available early 2025. Pre-order your own copy here now for just $17.95.

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Best Services

Services We’re Providing

Tankless is a fully enclosed & filtered system. Engineer certified – not even your pet could get in. Trafficable for cars & occasional heavy vehicles.

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Underground Water
Tanks

Load bearing design. Self-anchors in the ground allows for a higher gravity overflow setting unique to Tankless. Modular system that wheels into place. Pervious capped lid collects both storm & surface water. Easily modified to any shape.

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Swimming pool
conversions

With our help, you can easily convert your swimming pool into a water storage system. Eliminates drainage & soil slipping ramifications. Excess water drains only to the storm water outlet.

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Expert Solutions for Any Requirement

Our expert team designs, builds and supplies fittings, liners, filters, pumps & water storage coils which offers a versatile solution for any site.

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Unlimited Surface
Choice

Lawn, Vegetable garden, Driveway, Synthetic sports surface, Decking, Indigenous garden with a frog pond. Water feature with a pond-less.

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Why Choose Us

Top Benefits of Choosing Tankless Underground Rainwater Storage Systems

Our experienced team are dedicated to providing excellent customer service and ensuring a seamless installation process.

  • Collects both storm & surface water
  • Improves drainage and recycles water
  • Honest and dependable
  • Excellent staff administration
Tankless
Experienced

Innovative design game changer with gravity discharge when full & load bearing system reduces installation cost.

Testimonials

Don't Just Take Our Word For It...

Tankless water tanks are a smart investment for any home. They provide eco-friendly solution, maximizing water catchment while saving space, energy, and money on your utility bills.

Great product and service. Hard to find experts that know the whole end to end process for building tank and linking it effectivel

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Anthony Jones Hawthorn
Client

Tankless installed a 18,000 litre tank under my front lawn over 10 years ago. As an engineer, I checked out every aspect of the in

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Tony Carolan Brighton
Client

Using the “Tankless” 50,000 litre underground catchment this summer has meant our garden, filled with camellias and roses, is

Star
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Doreen Thomas Camberwell
Client

Just had our Tankless underground tank serviced after 11 years of trouble free use, no issues and great customer communication. wo

Star
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Mike Taylor East Malvern
Client

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At Tankless, we prioritize your satisfaction and strive to provide the best possible customer service. Our experienced team is always available to answer your questions and provide expert guidance to ensure that your tank or pool conversion project is a success. We offer competitive pricing and flexible payment options to meet your needs.

Don’t settle for less. Choose Tankless and experience the difference in quality and service.

Contact us today to learn more about our pool conversion services and how we can help you maximize the potential of your backyard.

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