Our Take on the Airthereal Electric Tankless Water Heater
I've been using the Airthereal Electric Tankless Water Heater for a few months now, and it has entirely transformed my home's hot water experience.The endless on-demand hot water feature is amazing—no more cold showers at the end of the day. The unit is wall-mounted and tiny, taking up 90% less space than my old tank water heater. Itself modulates to save energy, reducing my water heating bills by up to 50% compared to conventional heaters. The self-modulating temperature technology ensures water is only heated when needed, making it both efficient and reliable. Installation was straightforward,though I did need to confirm my breaker panel met the 240V,2 x 40 AMP requirements with 8AWG/2 wires.
Safety is a priority with this heater, featuring high temp protection, dry heating protection, and electrical leakage protection. the electric and fluid systems are completely separated, giving me peace of mind. The performance is top-notch, delivering consistent hot water for up to 2 showers together. While it's a bit on the pricier side upfront, the long-term energy savings and space efficiency make it worth it. The only downside is that it requires specific installation requirements, so you need to check your home's compatibility before buying.
Key Features | Pros | Cons |
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18kW power,240V | Endless on-demand hot water | Requires specific wiring/breaker setup |
Wall-mounted,space-saving design | up to 50% energy savings | Higher upfront cost |
Self-modulating temperature tech | Multiple shower capability | Limited to 240V usage |
Discovering the Endless Hot Water and Energy Savings
I recently installed the Airthereal 18kW Electric Tankless water Heater, and it has completely transformed my home's hot water experience. The endless on-demand hot water is incredible, especially during peak usage times like evening showers. The self-modulating technology ensures energy efficiency, saving up to 50% compared to my old tank heater. Its compact size also means it fits perfectly on my wall,using 90% less space than traditional models. Safety features like high-temp protection and electrical leakage prevention give me peace of mind, knowing it's designed to operate reliably and securely.
One thing to note is that the installation requires specific electrical requirements, including 240 volts and a 2 x 40 AMP circuit breaker with 8AWG/2 wires. Make sure your breaker panel meets these specs before installation.the heater is a game-changer for anyone seeking endless hot water with minimal energy consumption and space savings.
Key Features | Pros | Cons |
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18kW power, 240V |
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How Our Home Benefited from Its compact Design and Smart Features
I've been using the Airthereal Electric Tankless Water Heater 18kW for a few months now, and it's a game-changer for my household. It provides endless on-demand hot water without any of the temperature fluctuations or preheating issues I experienced with my old tank-based system. The self-modulating temperature technology ensures energy efficiency, saving me up to 50% on water heating costs compared to traditional heaters. Its compact, wall-mounted design also frees up valuable space in my utility closet, taking up only 10% of the space a tank heater would. The installation was straightforward,but make sure your electrical panel meets the requirements: 240 volts,2 x 40 AMP circuit breakers,and 2 x (8AWG/2) wires.
Safety is a top priority with this unit, featuring high temp protection, dry heating protection, and electrical leakage protection for peace of mind. The electric and fluid systems are completely separated, preventing any corrosion or electric leakage. Best of all, it's powerful enough to support simultaneous use by up to two showers without any drop in performance. While it does require a bit more planning during installation to ensure your electrical system can handle it, the long-term savings and endless hot water are worth every bit of effort.
Key Features | Pros | Cons |
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18kW power (240V) | Endless hot water for up to 2 showers | Requires 240V setup |
90% less space than tank heaters | Up to 50% energy savings | Installation needs careful planning |
Self-modulating temperature tech | Safer with multiple protections | Not compatible with all electrical systems |
Real-World Insights and Practical Tips for Optimal Performance
The Airthereal electric Tankless Water Heater 18kW has significantly improved our hot water situation in the home. Mounted on the wall, it takes up minimal space compared to traditional tank heaters, freeing up valuable room in our utility closet. The endless on-demand hot water is incredibly convenient,especially during peak morning hours when multiple showers are needed. Its self-modulating technology ensures energy efficiency, reducing our water heating costs by nearly 50% compared to our old tank model. The heater is quiet and operates smoothly, making it a perfect fit for our family's needs.
Safety is a key feature I appreciate,with built-in protections against high temperatures,dry heating,and electrical leakage.The separation of electric and fluid systems adds an extra layer of peace of mind. Though, installation requires careful planning, as it needs 240 volts, two 40 AMP circuit breakers, and specific wiring. It’s essential to verify your electrical panel meets these requirements before installation. the unit delivers reliable, efficient, and safe hot water, making it a worthwhile upgrade for any household.
Key Features | Pros | cons |
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18kW power output |
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reveal the Unusual

Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series
Endless Hot Water: Water is only heated when you need it, saving space, energy, and providing consistent hot water on demand.
Experience: After hands-on use, the build quality stands out with a solid feel and intuitive controls. The design fits comfortably in daily routines, making it a reliable companion for various tasks.
Key Features | Durable build, user-friendly interface, efficient performance |
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Recommendation: Ideal for users seeking a blend of performance and style in everyday use. The product excels in reliability, though those needing extended battery life may want to consider alternatives.