DIRECT HEATING DEVICES

DIRECT HEATING DEVICES For bathrooms and living rooms.

ETHERMA DUO PLUS The convector storage heater with additional heat

The ETHERMA DUO PLUS direct heating device is a modern convector storage heater and is impressive in three respects when it comes to heating technology: convection, radiant heat and heat storage are combined in a unique combination and not only ensure more performance, but also optimize operating costs. Due to the compact design, the powerful heater is extremely space-saving and at the same time generates pleasant radiant heat. Thanks to the built-in electronic control, the desired room temperature can be selected with a flick of the wrist.

The convector is ideal for large rooms as efficient transitional heating and as a modern replacement for outdated night storage heaters. The ETHERMA DUO PLUS is not only characterized by its modern, puristic design, but also by its rapid heating reaction. In the OFF state of the controller, the frost protection mode of the heater remains active. In the event of an unexpected drop in temperature, e.g. due to an open window, the device automatically switches to OFF mode. In addition, the ETHERMA DUO PLUS can be adapted to the individual wishes of the residents in no time at all with the daily and weekly programs. The convector storage heater can be mounted horizontally on the wall and is simply connected via a connecting cable with a plug. 

 

YOUR ADVANTAGES:

  • Triple heat emission: convection, storage and radiant heat

  • Ideal for large rooms 

  • Electronic control for easy temperature setting

  • Convenient daily and weekly programming

  • Energy-saving function through temperature shock detection - the device automatically switches to frost protection mode

REPLACEMENT OF NIGHT STORAGE HEATERS

Electric heating still has to fight against its wrongly bad reputation. Many prejudices are based on the disadvantages of the bottom line inefficient and expensive night storage heaters of the post-war period. This heating system is characterized in particular by its poor controllability - based on the temperatures of the previous day, charging takes place at night and delivery the next day. In most cases, what you have too much heat in the morning is missing in the evening and has to be heated up at great expense. In addition, allergy sufferers often have problems due to the strong dust turbulence and older models are harmful to health due to asbestos shoring.

However, modern, efficient electric heaters such as the ETHERMA DUO PLUS no longer have anything in common with these outdated heaters and are ideal as a replacement, especially if you do not want to install subsequent, costly piping for a water-based heating system.

 

DISADVANTAGES OF AN OLD NIGHT STORAGE HEATER

  • High space requirement

  • Mostly containing asbestos (old models)

  • Expensive disposal (asbestos)

  • Strong dust turbulence

  • Soot formation

  • Hard to regulate

  • Fluctuating temperatures

  • Expensive heating

  • High kW power required

Selection guide for replacement

Old heater Output old in W Pieces new ETHERMA type
Old heater
2kW night storage
Output old in W
2000
Pieces new
1
ETHERMA type
ET-DUO-PLUS-1500-W
Old heater
3kW night storage
Output old in W
3000
Pieces new
1
ETHERMA type
ET-DUO-PLUS-1500-W
Old heater
4kW night storage
Output old in W
4000
Pieces new
1
ETHERMA type
ET-DUO-PLUS-2000-W
Old heater
5kW night storage
Output old in W
5000
Pieces new
1
ETHERMA type
ET-DUO-PLUS-2000-W
Old heater
6kW night storage
Output old in W
6000
Pieces new
2
ETHERMA type
ET-DUO-PLUS-1500-W
Old heater
7kW night storage
Output old in W
7000
Pieces new
2
ETHERMA type
ET-DUO-PLUS-1500-W

General information

This table serves as a guide, but does not replace individual advice based on local conditions. Our heating experts will be happy to help you here. Please send all available information to service.at(kwfat)etherma(kwfdot)com (Austria & International) or service.de(kwfat)etherma(kwfdot)com (Germany).

Sample information: squarmeters of the individual rooms, photos, construction plan of the property with location of the night storage, insulation value or house category. 

*Recommended infrared output with correct dimensioning of the existing night storage heater assuming an electricity tariff of 8+2 hours as of: 02/2022

  • Powerful convector with additional radiant heat

  • Very space saving

  • Frameless infinity design

  • Integrated, ERP-compliant control

  • Ecodesign guidelines compliant

  • Daily and weekly program

  • Temperature drop detection

  • Silent control thanks to TRIAC technology

  • ON/OFF switch

  • Two heating elements

  • Maximum safety against breakage and overheating

  • No service, no maintenance required

Voltage: 230 V
Output: 1500, 2000 W
Dimensions: 1000x500 mm
Surface: 12 mm stone, white similar RAL9003
Surface temp.: Max. 85 °C at standard internal temp.
Temp. range: 15 - 28 °C
Frost protection: 7 °C
IP rating: IP 24
Protection class: II
Connection: with plug 1 m
Certification: EC compliant

The selection of the output depends on the heat requirement of the room (H: 2.5 m) and the application of the heating. 

The guideline is: 

  • 30-55 W/m≤ Low energy and passive house

  • 60-80 W/m≤ Well insulated living space

  • 85-105 W/m≤ Moderately insulated living space 

  • 110-130 W/m≤ Poorly insulated living space

The ETHERMA DUO PLUS is the ideal replacement for outdated night storage heaters - no soot formation, precise temperature control, space-saving and powerful.

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