---
product_id: 366512038
title: "EVT-18K"
brand: "airthereal"
price: "R8797"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/366512038-evt-18k
store_origin: ZA
region: South Africa
---

# 18kW high power output Self-modulating energy saver Compact wall-mounted design EVT-18K

**Brand:** airthereal
**Price:** R8797
**Availability:** ✅ In Stock

## Summary

> 🔥 Hot water on demand, space saved, energy slayed!

## Quick Answers

- **What is this?** EVT-18K by airthereal
- **How much does it cost?** R8797 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/366512038-evt-18k)

## Best For

- airthereal enthusiasts

## Why This Product

- Trusted airthereal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug Into Power:** Requires 240V and dual 40 AMP breakers—engineered for high-demand, reliable performance.
- • **Safety First, Always:** Advanced protections including dry combustion, overheat, and electrical leakage safeguards.
- • **Space-Smart Wall Mount:** Reclaim 90% of your utility space with a sleek, compact design that fits anywhere.
- • **Endless Hot Water, Zero Wait:** Never run out of hot water again, perfect for busy mornings or back-to-back showers.
- • **Energy Efficiency That Pays Off:** Save up to 50% on water heating bills with intelligent self-modulating technology.

## Overview

The Airthereal Electric Tankless Water Heater EVT-18K delivers powerful 18kW heating with a compact wall-mounted design that saves 90% space. It features self-modulating technology to reduce energy consumption by up to 50%, providing endless hot water without temperature fluctuations. Equipped with advanced safety protections and an LED display, it requires a 240V power supply and dual 40 AMP breakers for installation, making it ideal for modern homes needing efficient, reliable hot water for up to two showers simultaneously.

## Description

Full description not available

## Features

- ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
- ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
- ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.
- ☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.
- ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | AIRTHEREAL |
| Product Dimensions | 12.25"W x 17.25"H |
| Special Feature | Dry Combustion Protection, Integrated Error Code Indicator, LED Display, Overheat Protection |
| Color | Black |
| Wattage | 18000 watts |
| Voltage | 240 Volts |
| Heat Output | 18 Kilowatts |
| Efficiency | High (exact value not provided) |
| Style | Indoor Installation |
| Mounting Type | Wall |
| Is Electric | Yes |
| Manufacturer | Airthereal |
| UPC | 816621023836 |
| Part Number | EVT-18K |
| Item Weight | 18.46 pounds |
| Item model number | EVT-18K |
| Size | 18kW |
| Installation Method | Wall-Mounted |
| Special Features | Dry Combustion Protection, Integrated Error Code Indicator, LED Display, Overheat Protection |
| Included Components | Electric Tankless Water Heater 18kW |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** AIRTHEREAL
- **Capacity:** 240 Gallons
- **Power Source:** AC
- **Product Dimensions:** 12.25"W x 17.25"H
- **Special Feature:** Dry Combustion Protection, Integrated Error Code Indicator, LED Display, Overheat Protection

## Images

![EVT-18K - Image 1](https://m.media-amazon.com/images/I/617RdwzOTEL.jpg)

## Available Options

This product comes in different **Model** options.

## Questions & Answers

**Q: Can this be used for HE washing machine?**
A: Yes run the temp around 127 degrees and you can us it on a 3 bed 2 bath without dropping heat I will tell you you CANNOT run the washer and shower at the same time

**Q: I installed your unit and it gave me a error message. I wrote to the seller and had not reply???**
A: Did you dismantle it at all?  I put the little white cartridge in upside down and had a problem, but turned it over and it ran fine.  You might want to check what error message it was and maybe we can help a bit better.

**Q: Can I put a plug on it without have to wire it in?**
A: Install to manufactures spec or you will void your warranty.

**Q: I have well water that comes in cold around 52 -57 during the winter months, Would this work for a dog bath tub?**
A: Should be ok. 
Airthereal Electric Tankless Water Heater 14kW, set the outlet temp. 108°F:
- Inlet water Temp 41°F, 1.4GPM (Kitchen Faucet)
- Inlet water Temp 50°F, 1.6GPM (Kitchen Faucet)
- Inlet water Temp 59°F, 1.9GPM (Kitchen Faucet/Shower)
- Inlet water Temp 68°F, 2.3GPM (Shower)
- Inlet water Temp 77°F, 2.4GPM (Shower)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.co.za/products/366512038-evt-18k](https://www.desertcart.co.za/products/366512038-evt-18k)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-01-24*