Setting a New Standard with Real Patented Technology

Efficient Hot Water

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Discover Our Groundbreaking Thermal Amplification Tech™

Tired of dealing with low water pressure, disruptive noise, long waiting times, and inconsistent water temperature from your traditional water heater?



Experience the Esio difference with our exclusive patented Thermal Amplification Tech™, seamlessly integrating instant and storage water heating for reliable high flow, fast heating, and consistent temperatures.

The redesigned inner tank prevents cold water from mixing with hot water, minimising temperature fluctuations. Enjoy up to 400% more hot water and a luxurious bathing experience at home.

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Why Sacrifice Bathroom Space for Reliable Hot Water in Your Shower?

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  • 1/2x Size
  • Same hot water capacity

Unlike traditional storage water heaters with larger tanks and slower heating, Esio's innovative technology delivers the same hot water capacity in a compact unit. Even with two bathrooms in use, enjoy stable, uninterrupted hot water, eliminating temperature fluctuations.

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Never Endure Sudden Water Temperature Drops Again.

Are the sudden drops in water temperature while you shower on a rainy day making you want to scream? It's not OK, you deserve better. It's time to upgrade your shower experience.

Discover the Esio Difference. Our water heaters incorporate the USA brand Therm-O-Disc surface mount thermostat. This advanced technology guarantees precise water temperature control within the heater and prevents scale build-up that can impact thermostat performance.

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Why Compromise for Slow When You Need it Fast?

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Your time is valuable, and waiting for hot water can be frustrating. Our 4.5kW Japan-imported Incoloy nickel-iron-chromium alloy 800 heating element reduces heating times by up to an incredible 40% compared to a 3kW element.

We also offer 3kW and 3.8kW options to accompany your household power plan. Choose the one that suits your needs best!

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12-Tier Safety Protections

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Built to Last with Premium Components.

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High Energy Saving

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Save Up To 50% on Your Electricity Bill with Esio's Patented Tank Design.

Concerned about the impact on your electricity bill with all these benefits? Well, you don't have to!



In contrast to conventional storage water heaters, which feature larger tanks and slower heating, Esio’s patented Thermal Amplification Tech™ and tank design ensures equivalent hot water capacity in a smaller, more efficient unit.

This results in reduced energy consumption, leading to lower electricity bills. Now you can indulge in comfortable bathing without the worry of rising utility costs.

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Worried About High Electricity Bills From Leaving the Water Heater On?

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  • 4cm wide insulation
  • Heat retention

Tired of worrying about high electricity bills because you forgot to turn off the water heater? Well, here's the truth – you don't have to worry with Esio's exceptional heat retention feature.



Our water heaters boast top-tier energy efficiency, resulting in substantial savings. With a 4cm insulation from German manufacturer BASF, they retain heat exceptionally well compared to others with just 2cm, providing worry-free hot showers for years, so you can relax without thinking about your electricity bill.

Long Lasting Durability

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Worried About Tank Leakage? Fear Not.

Our 304L extra-low carbon stainless steel inner tank in our water heaters have your back.

Unlike traditional assembly methods that may result in carbon buildup and a higher risk of breakage, our innovative approach guarantees durability and a significantly prolonged product lifespan.

Our inner tank welding techniques feature robotic welding automation and an exclusive patented welding process that further fortifies the inner tank's structure. This not only allows it to withstand pressures of up to 25kgf/cm² but also significantly extends the product's lifespan.

To top it off, we offer a comprehensive 5+1 year warranty, ensuring your investment is protected and your comfort is guaranteed.

*The E series includes an outer casing made of ABS material.

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Featuring Components from Top Manufacturers, Ensuring the Industry's Utmost Durability.

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  • Japan-imported Incoloy
  • Withstands Poor Water Quality

Concerned about the durability of our water heater? Let us put your mind at ease.

Our product is equipped with Japan-imported Incoloy nickel-iron-chromium alloy 800 heating elements, renowned for their exceptional efficiency and longevity.

Unlike standard copper or coated alternatives, our heating elements deliver superior heating efficiency, resist poor water quality, and have an impressively long lifespan. Experience unparalleled performance and durability with Esio.

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