The Best Instant Heaters & Instant Water Heaters for Every Use
For hot water the moment you turn on the tap—in the shower, kitchen, or throughout the whole home.
Find the ideal instant water heater/tankless water heater to suit your needs — from hot water at the kitchen sink to showering and washing dishes at the same time.
✨ Hot water throughout your home
The Solcore NK2T is a modern, centrally installed electric instantaneous water heater, designed to provide plenty of hot water on demand and serve as an excellent replacement for energy-hungry conventional storage water heaters. Thanks to Inverter technology and its dynamic control system, it automatically adjusts its power according to the flow rate and desired temperature, delivering substantial electricity and water savings. It is an ideal choice for apartments, student homes or holiday homes with a single-phase power supply, while its innovative cast-aluminium heating elements prevent limescale buildup and ensure a long service life.
For hot water throughout the home
- Central installation: one unit for all the taps in your home
- Inverter: stable temperature when you adjust the flow
- Temperature selection in °C, up to 55°C
- 7.5 kW power on a single-phase supply
- Wall-mounted, with a depth of 8.5 cm
A review we singled out:
“This unit can handle mains water pressure from 0.5 to 10 bar. A major hidden advantage.”
✨ For the bathroom shower
The Bormann Elite BTW3550 is a 7 kW wall-mounted instantaneous electric water heater, designed to provide instant, unlimited hot water while eliminating waiting time and unnecessary energy consumption. Thanks to Inverter technology, it automatically maintains a stable water temperature and features a memory function for maximum comfort. It is ideal for apartments, student accommodation or holiday homes with a standard single-phase power supply. It also comes as a complete solution, as it includes its own shower head, hose and mounting bracket for quick installation in your shower.
For the bathroom shower
- 7 kW inverter: hot water for showering on a single-phase power supply
- Flow rate of up to 4.56 litres per minute
- Temperature selection in °C, up to 50°C
- Compact: 28 x 19 cm, depth 6.5 cm
A review we selected:
“Very easy to install. Heats water to 42 degrees in no time.”
✨ For the kitchen sink
The N'Oveen IWH850 is an elegant countertop electric instant water heater tap made of stainless steel, designed to provide hot water in seconds without the need to connect to a central water heater. It is an ideal and economical solution for the kitchen, holiday home, garage or workplace, helping you save significantly on energy and water. Thanks to its built-in digital LED display, it allows you to easily monitor the temperature in real time, combining durability, safety and a modern look.
For the kitchen sink
- 3.6 kW power on single-phase supply
- Water heated up to 60°C for greasy dishes
- Temperature adjustment in °C using the remote control
- Compact dimensions: 18.5 x 14.5 x 6 cm
N'oveen IWH560 bottle holder
- Plug type: EU plug
- Color: Silver
- Material: Stainless steel
- Length: 6 cm
- Approx. dimensions: 18.5 x 14.5 x 6 cm
✨ For showering & washing dishes at the same time
The Stiebel Eltron PEY is a premium three-phase electric instantaneous water heater for central installation, capable of continuously supplying multiple outlets, such as the shower, washbasin and kitchen sink. It incorporates advanced electronic control (Inverter) technology with 3i technology for maintaining the temperature with exceptional precision, saving up to 30% on energy and water. It stands out for its special "bare wire" heating elements, which prevent limescale buildup, ensuring trouble-free operation even with hard water. It is also designed to accept preheated water, making it ideal for series connection with a solar water heater.
For showering and washing dishes at the same time
- 24 kW on three-phase power: hot water at multiple taps simultaneously
- Flow rate of up to 12.6 litres per minute
- Temperature of up to 60°C
- Central installation for the whole home
- Wall-mounted, with a depth of 9.3 cm
A review we singled out:
“Fantastic appliance—hot water instantly. One person can shower while another washes the dishes, and the water heats up with no problem.”
✨ For homes with natural gas
The Thermogatz 24-JE is a 24 kW wall-mounted instant water heater, designed for central installation to provide instant, unlimited hot water throughout your home (bathroom, washbasin, kitchen). It heats water on demand using natural gas, helping you save significantly on energy and costs. Automatic electronic ignition runs on standard batteries, so the unit does not depend on mains electricity. Its built-in digital LCD display and multiple safety systems ensure comfort, efficiency and complete peace of mind every time you use it.
For homes with natural gas
- Operates on natural gas
- Flow rate up to 12 liters per minute
- Temperature up to 65°C
- Central installation for the whole home
A review that stood out to us:
“The water heater works perfectly, provided certain conditions are met. What do I mean? The chimney flue pipes are what will allow it to run continuously without shutting off.”
This article was created with the help of AI and reviewed and edited by the Skroutz team.
Relevant Articles
The Best Convector Heaters for Every Need
Heat Pump Buying Guide
The best wood stoves for 2026
Be the first to leave a comment!