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

Effortless Space Saving: Say goodbye to bulky water heaters taking over your basement or utility room. This sleek, wall-mounted unit is engineered to occupy just 90% less space than customary tank models, making it an ideal solution for small apartments, compact homes, or areas where space is at a premium. Its streamlined design not only frees up room for other essentials but also simplifies your home’s layout without compromising performance.
Smart energy efficiency: With self-modulating temperature technology, this heater activates only when you need hot water, eliminating the energy waste associated with maintaining a hot water tank. By heating water on demand, it can save up to 50% on energy costs compared to conventional systems. This means your utility bills stay lower while you enjoy a continuous supply of hot water-no more waiting for the tank to warm up or worrying about fluctuations. Whether you’re running the morning shower or filling up a sink, it delivers reliable, cost-effective warmth.
- Pros:
- Saves 90% more space than tank models
- Reduces energy consumption by up to 50%
- Provides uninterrupted hot water without shortages
- includes advanced safety protections (high temp, dry heating, electrical leakage)
- Cons:
- Requires 240V electrical system and specific circuit setup
- Higher upfront cost than traditional tank heaters
- Installation may need professional assistance
| Feature | Highlight |
|---|---|
| power | 18,000 watts |
| Energy Savings | Up to 50% more efficient than tank models |
| Space Efficiency | 90% smaller footprint than traditional units |
| Electrical Requirements | 240V, 2 x 40A breakers, 2 x 8AWG cables |
| Safety | electric-fluid separation, leakage protection |
Airthereal Electric Tankless Water Heater 14kW, 240Volts – Endless On-Demand Hot Water – Self Modulates to Save Energy Use - Small Enough to Install Anywhere – for 1 Shower, Evening Tide series

Imagine never having to worry about running out of hot water mid-shower or a cold tap during a busy morning. This innovative water heater delivers consistent, on-demand heat without the bulk of a traditional tank, freeing up precious square footage in your home. Its sleek, wall-mounted design is perfect for small spaces, like closets or utility rooms, where a bulky unit would be impractical. By eliminating the need for storage, you gain adaptability in how you organize your home while enjoying the peace of mind that comes with efficient, reliable hot water at your fingertips.
With advanced self-modulating technology, this water heater activates only when you need it, using energy precisely where and when it matters most.This means up to 50% less energy consumption compared to standard tank models, helping you save on utility bills without compromising performance. Built with safety in mind, it features robust protections against overheating, dry heating, and electrical leaks, ensuring a worry-free experience. The separation of electric and fluid systems also prevents corrosion and leakage, making it a durable choice for long-term use. Whether you’re powering through a long day or hosting guests, it adapts seamlessly to your needs.
Pros & Cons
- space-Saving Design: Occupies 90% less room than traditional tank units.
- Energy Efficiency: Saves up to 50% on heating costs with on-demand heating.
- Endless Hot Water: No temperature fluctuations or running out of hot water.
- Safety Features: Includes high temp, dry heating, and electrical leakage protection.
- Installation Requirements: Needs 240V, 60A circuit breaker, and 6AWG/2 wires.
- Initial Cost: Higher upfront investment compared to standard tank models.
| Feature | Detail |
|---|---|
| Power | 14,000W |
| Energy Savings | Up to 50% compared to tank models |
| Space Efficiency | 90% less space than traditional units |
| Installation Voltage | 240V |
| Circuit Breaker Size | 60A |
Airthereal Electric Tankless Water Heater, 9kW, 240Volts – Endless on-Demand Hot Water - Self Modulates to Save Energy Use – Small Enough to Install Anywhere – for Sink and Faucet, Evening Tide series

Revolutionize your home’s hot water system with a compact, wall-mounted solution that blends efficiency and space-saving innovation. Unlike traditional tank heaters, this design dramatically reduces floor space consumption, leaving more room for daily living or storage in cramped utility areas. Its sleek, modern profile is ideal for small homes, apartments, or renovated spaces where every inch matters. With intelligent self-modulating technology,it delivers hot water only when needed,eliminating the energy waste of keeping a tank heated continuously. This means lower utility bills and a more sustainable approach to household energy use, all while maintaining the convenience of instant hot water for showers, dishwashing, or laundry.
Experience uninterrupted hot water flow with advanced temperature and flow control that ensures reliability without the hassle of waiting. The unit’s sealed construction not only prevents electrical contact with water but also enhances durability, giving you peace of mind with every use. Built-in safeguards like high-temp protection and dry heating detection further minimize risks, making it a safe choice for households prioritizing both performance and safety. Whether you’re hosting guests or running multiple appliances, its robust design and precision engineering guarantee consistent, on-demand heating without fluctuations or shortages.
- Pros – Compact and wall-mounted, saving 90% of floor space. energy-efficient with up to 50% cost savings. Provides endless hot water without fluctuations. Advanced safety features ensure worry-free operation.
- Cons – Requires a dedicated 240V, 40AMP circuit. Compatibility checks needed before installation. Limited to specific electrical setups.
| Feature | Detail |
|---|---|
| Power | 9,000 Watts |
| Electrical Requirements | 240V, 40AMP circuit |
| Space Efficiency | 90% less room than traditional models |
| Energy Savings | Up to 50% reduced costs |
| Flow & Temperature Control | Continuous, stable hot water supply |
| Safety | Leakage, dry heating, and high-temp protection |
Seize the Chance
Conclusion
The Airthereal Electric Tankless Water Heater series redefines the balance between space and energy efficiency. While all models boast compact designs that save up to 90% of traditional storage space, their power capacities cater to varying household needs-even dual showers or single faucet use. Smart self-modulating technology ensures energy savings by heating water on-demand, slashing costs by up to 50% over tank systems. But with different wattage options (18kW, 14kW, 9kW), users must align their choice with usage patterns and electrical setup. Whether you prioritize endless hot water for high-demand scenarios or sleek, space-efficient solutions, Airthereal delivers reliable performance, advanced safety, and effortless installation. Make the most of modern living with a tankless heater tailored to your lifestyle.






