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Heat when you want it, day or night

Upgrade your home with Dimplex Quantum

Feel warm and cosy with the world’s most advanced off-peak storage heaters, now available from OVO for households in selected regions1.

We’ll help you all the way to a more comfortable home with installation and aftercare.

Get a quote

24-hour comfort and control 

Transform your heating and home with award-winning off-peak storage heaters that are up to £244 per year cheaper to run than standard storage heater systems2.


Stylish and compact

Quantum is the world’s most advanced off-peak heater and the perfect replacement for your old, outdated storage heating system.

Free 10-year warranty from Dimplex

For complete peace of mind, all Quantum models come with a 10-year limited warranty3 when you register the product online.

Warmth when you want it

With exceptional levels of insulation, Quantum stores energy up during periods of low demand, and turns it into efficient heat when needed.

Easy-to-use controls

Adjust the temperature manually using the rotary control with LCD display for instant heat when you need it – day or night.

Save money with Quantum

Quantum maximises the benefit of off-peak energy, meaning you can save up to £244 (23%) per year compared to a standard storage heater system2.

See our range of electric radiators and storage heaters


Leading technology from the name you can trust

Quantum is the result of Dimplex’s 70 years of heating experience – and it’s developed, designed and manufactured right here in the UK.

Quantum is also BEAB Approved – Independently approved to Europe’s highest electrical product safety standard – so you can relax in a warm home and sleep soundly knowing Quantum is designed from the ground up for reliability and safety. 

And don’t just take our word for it. Your Quantum system comes with a free, peace-of-mind 10-year limited warranty3 from Dimplex when you register the product online. 


See our storage heater guide here and our storage heater comparison here

Heating tailored to you 

Getting the most effective, cost-efficient Quantum system for your home is important. That’s why we can arrange for an approved installation partner to carry out a free, no-obligation survey. 

They’ll be able to answer any questions you may have and check your quote meets the unique requirements for your home. Once you’re happy, we’ll arrange a convenient time to fit your system and even take your old heaters away. 


Get a personalised quote

Or call us on 0330 102 7429


Terms and conditions

Full eligibility criteria and terms and conditions apply see

1 The trial is limited to specific postcodes within the West Midlands. Full eligibility criteria and terms and conditions apply.

2 Annual savings based on a 90m2 3 Bed Semi-detached Home, built to 1990s Building Regulations, on a “UK Average” electricity tariff (See here: Electricity kWh usage for Dimplex Quantum and equivalent manual static storage systems are from an independent report, commissioned by Dimplex in 2014 (

3 Your Quantum system warranty is with Dimplex and registration is required. Registration form available at Should your product fail within the warranty period, contact Dimplex. Warranty subject to Dimplex's terms and conditions (see

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