Dimplex Quantum Storage Heaters

Dimplex Quantum Electric Storage Heaters are some of the most advanced systems on the electric heating market. They boast a highly intelligent electrical interface, the Quantum iQ Controller, which uses self-learning algorithms to understand and respond to your heating requirements and changing weather conditions. Another feature of Dimplex Quantum storage heaters is the state-of-the-art, user-friendly controls which include a 7-day timer and temperature controls, open window sensing and adaptive start technology which makes them EcoDesign Lot 20 compliant.

Dimplex's new smartphone/tablet App, Dimplex Control wirelessly controls Dimplex Quantum RF Storage Heaters, Dimplex Q-Rad Radiators and Dimplex Edel Heat Pumps, all through the Dimplex Hub. For the Dimplex Q-Rad range, the addition of a RF Module will be required to connect to the Dimplex Hub. To find out more about exactly what Dimplex Control is and how it can help save you on energy bills and provide better heating control, read our more detailed information page here.

One of the biggest issues with traditional storage heaters is the amount of heat lost before use. This leads to an insufficient amount of heat left at the point of intended use. Dimplex have overcome this issue by wrapping Aerogel, one of the best insulators available, around the core to prevent heat loss. The heat brick's shape, size and materials have also been redesigned to better retain heat. The fan has now been made larger which allows it to run quieter and at half the speed whilst providing the same level of output.

By heating the room in two ways, the majority of heat is released using the built-in fan that pushes heated air out from the grille at the bottom of the heater. A small amount of heat is dispersed through natural convection and radiation from the heater's case. With the amount of energy released through the heater's case significantly reduced, the surface temperature is kept low and retains as much heat as possible until the heater is in active use.

We've put together a handy guide to help you to set up your Dimplex Heater correctly in order to get the best out of it's extensive range of benefits.

QuantumRF Model	Output Rating	Room Size*
QM150RF	1500W	11m²
QM125RF	1250W	9m²
QM100RF	1000W	8m²
QM070RF	700W	5m²
QM050RF	500W	4m²

*Room size calculations based on a living room at 21 degC, a ceiling height of 2.4M, cavity walls and one exterior wall. Please visit our Heating Calculator for other rooms or variations.

Here’s a clear, step-by-step guide on how to use a Dimplex Quantum heater (covering the modern RF models). These are high heat retention (HHR) storage heaters that charge on off-peak electricity (usually overnight) and release heat efficiently throughout the day with smart controls.

1. Initial Setup & Power On

- Ensure both wall switches (usually one for off-peak charging and one for on-peak/boost) are turned ON.
- On first power-up (or after a power cut), the heater runs a self-test sequence:
- The display shows software version, then performs a quick check. It may take a moment to boot up.

The controls are under a flap on the top right of the heater:
Selector dial (rotate and press)
Menu, Back and Advance buttons
Digital display screen

2. Understanding the Main Display

The home screen shows:
- Current target room temperature (e.g., 21 °C)
- Minutes of off-peak charge received last night (in brackets)
- Active timer mode (e.g., "Auto", "Out All Day", "Home All Day", "Holiday")
- Status: "Heating ON" (active) or "Heating OFF"

The display "sleeps" after a while (goes dim/black) but the heater is still running.

3. Setting the Desired Room Temperature

On the main screen, simply rotate the dial:
- Clockwise → increase temperature
- Anticlockwise → decrease temperature

Press the dial to confirm if needed (some models auto-save).

The heater will automatically maintain this temperature during "Heating ON" periods by releasing stored heat.

4. Choosing a Heating Mode (Timer Profiles)

Press Menu → rotate dial to Modes → press dial.

Common modes:

Auto — Default smart mode. Learns your routine and optimises charging/heat release based on usage patterns.
Out All Day — Lower background heat when you're away (e.g., 15–18 °C), then warms up before you return.
Home All Day — Maintains your set temperature all day (ideal for weekends or work-from-home).
Holiday / Away — Set a date range and low frost-protection temperature (e.g., 7 °C) to save energy while you're away.
Manual — No timer — heater simply maintains your set temperature whenever there's stored heat.

Select your preferred mode and press dial to confirm.

The heater automatically charges during off-peak hours (set by your electricity supplier, usually overnight).

5. Using Boost (for Extra Heat)

If you need a quick warm-up (e.g., unexpectedly cold evening):

Press Menu → select Boost → press dial.
Set desired Boost Temp (e.g., 23 °C) and Boost Time (e.g., 30 mins to 2 hours).
Press dial to start.

Boost only works if there's enough stored heat left. It uses the fan to circulate heat faster.

6. Advance / Override Timer

If you're in a timed mode (e.g., Out All Day) and want heat earlier/later:

- Press Advance button once → it temporarily overrides the schedule to start the next "Heating ON" period early (or extend it).
- Press again to cancel.

7. Additional Settings (Menu → Settings)

Date & Time — Set correctly for timer accuracy (important for off-peak charging windows).
Temperature Units — °C or °F.
Child Lock — Lock controls to prevent accidental changes.
Factory Reset — If needed (last resort).

8. Important Tips & Safety

- Do not cover or obstruct the heater (minimum clearances: 300mm front, 150mm sides, 250mm top).
- In summer, you can turn off both wall switches if no heat is required (turn back on in autumn).
- For app control (optional): Pair with a Dimplex Hub and use the Dimplex Control app for remote adjustments, scheduling, and energy monitoring.
- If the heater isn’t warming up properly: Check off-peak supply is active, ensure correct timer mode, or contact support (may need more charge time after installation).

Electricpoint has been supplying electrical products for many years and is now one of the UK’s largest online electrical wholesalers.

Here’s why customers choose us:

• Wide product range — We carry thousands of lines from popular, reliable, leading brands.
• Fast UK delivery — Most in-stock items are dispatched quickly.
• Competitive pricing — We aim to offer great everyday value.
• Trade & larger-order support — Trade accounts are available on application.
• Secure & straightforward shopping — Safe checkout, straightforward returns and full manufacturer warranties on everything we sell.

If you need some help, would like to take advantage of our Price Promise or perhaps have a large order to place, please give our team of professionals a call on 0203 994 5470, drop us an email at sales@electricpoint.com or use our Contact Form.