Finding the best electric heaters in the UK is essential when you need a reliable backup for your central heating or an efficient way to warm a small space. With energy costs fluctuating, choosing the right electric heater can save you money while keeping you cosy.
From compact fan heaters to oil-filled radiators and smart models with app control, the market offers a wide range of options. We've tested popular models from brands like Russell Hobbs, Dreo, and Mill to help you make an informed decision.
Why Choose an Electric Heater?
Electric heaters are versatile and easy to use. They don't require installation, making them perfect for renters or as a supplement to existing heating. Modern models often include smart functionality, allowing you to control them via Alexa or a smartphone app.
Additionally, many electric heaters are designed to be energy-efficient, with features like adaptive heating and timers that help reduce running costs. Whether you need a quick blast of heat or a steady warmth, there's a model to suit your needs.
Types of Electric Heaters
Electric heaters come in various forms, each with its own advantages. Here's a quick comparison:

| Type | Best For | Pros | Cons |
|---|---|---|---|
| Fan Heaters | Quick, targeted heating | Fast acting, compact | Noisy, less efficient for large rooms |
| Oil-Filled Radiators | Longer periods of warmth | Silent, retain heat | Slow to heat up, heavy |
| Convection Heaters | Whole-room heating | Even heat distribution | Can be bulky |
| Infrared Heaters | Spot heating, outdoor use | Instant heat, no warm-up | Doesn't heat the air |
| Smart Heaters | Convenience and control | App control, scheduling | Higher upfront cost |
Top Electric Heaters in the UK
After rigorous testing, here are our top picks:
- Dreo Smart Heater: Best overall for smart features and energy efficiency.
- Russell Hobbs Oil-Filled Radiator: Best for long-lasting warmth in medium rooms.
- Mill Heaters: Best for design and app connectivity.
- Everhot Electric Stove: Best for traditional style with modern performance.
Each model was evaluated on heating speed, running costs, noise level, and ease of use. The Dreo Smart Heater stood out for its adaptive heating and Alexa compatibility, while the Russell Hobbs radiator provided consistent heat for hours.

How We Tested
We set up each heater in a living room and measured temperature changes over time. We also assessed build quality, portability, and smart features. Our testing prioritised real-world performance, so you can trust our recommendations.
For a detailed breakdown of each model's performance, check out our full reviews.

Key Takeaways
- Electric heaters are ideal for supplemental heating and small spaces.
- Smart models offer convenience and can help reduce energy use.
- Consider your room size and heating needs before buying.
- Oil-filled radiators are great for prolonged warmth, while fan heaters provide instant heat.
FAQ
What is the most energy-efficient electric heater?
Smart convection heaters with adaptive heating and timers are generally the most energy-efficient, as they can maintain a consistent temperature without wasting power.
Are electric heaters expensive to run?
Running costs depend on the heater's wattage and your energy tariff. A 2kW heater costs roughly 68p per hour at the current UK average rate of 34p per kWh, but smart scheduling can reduce usage.

Can electric heaters heat a whole house?
Electric heaters are best for supplemental heating or small spaces. For whole-house heating, central heating is more efficient and cost-effective.
Investing in the right electric heater can make a significant difference in your comfort and energy bills. Explore our top picks to find the perfect match for your home.
