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10 Best Oil Heaters 2025 in the UK

De'Longhi Dragon 4 TRD41025T Oil Filled Radiator - White

Heating Power (Wattage): 2500W
Thermostat Control: Three settings: 2500W, 1400W, 1100W
Portability: Wheels and carry handle
Noise Level: Generally quiet
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Our Top Picks

#1

Winner

Pro Breeze Oil Filled Radiator with 11 Fins - Slim Electric Radiator - Portable Oil Heater with Built-in 24 Hour Timer, 3 Heat Settings, Adjustable Thermostat (Black Radiator)

Rating
9.9
Chosen by1,385
Heating Power (Wattage)
Thermostat Control
Portability
Heating Power (Wattage)
The adjustable thermostat with three heat settings (2500W, 1500W, and 1000W) allows for tailored warmth to suit individual preferences.
Thermostat Control
The adjustable thermostat with three heat settings (2500W, 1500W, and 1000W) allows for tailored warmth to suit individual preferences.
Portability
Its compact design and easy-roll wheels make it ideal for small spaces like home offices and convenient to move around.
Noise Level
Easy-to-use controls and quick heating are standout features, though some users noted occasional strange noises during operation.

The Pro Breeze Oil Filled Radiator is designed to provide efficient heating with its powerful 2500W capacity and 11 fins. This makes it suitable for maintaining warmth in indoor spaces like home offices or bedrooms for extended periods. The adjustable thermostat offers three heat settings (2500W, 1500W, and 1000W), allowing users to tailor the warmth to their preference, and the 24-hour timer helps manage energy usage effectively. Safety is a strong point for this radiator, featuring a tip-over switch and automatic thermal shut-off, making it a reliable choice for families with children.

Portability is another advantage, as the radiator has easy-roll wheels, a carry handle, and a compact design that fits well in tight spaces. This makes it convenient to move around and store when not in use. Although the radiator is efficient, its slim design suggests it’s best suited for small to medium-sized rooms rather than large spaces.

In terms of noise, oil-filled radiators are typically quiet during operation, which is ideal for environments where minimal disturbance is preferred. The Pro Breeze Radiator is well-constructed, weighing 11.9 kg, indicating a robust build. However, it may be slightly heavier compared to other portable heaters, which could be a consideration for those who frequently move it. User reviews are generally positive, with a 4.3-star rating from nearly 3,900 ratings, suggesting consistent satisfaction among users. The sleek black design also offers a modern aesthetic that can blend seamlessly into various interiors. If you need a reliable, safe, and portable heating solution for smaller spaces, this oil heater is a strong contender, especially for those prioritizing safety and energy efficiency.

Rating
9.9
Chosen by1,385
Heating Power (Wattage)
Thermostat Control
Portability
Heating Power (Wattage)
The adjustable thermostat with three heat settings (2500W, 1500W, and 1000W) allows for tailored warmth to suit individual preferences.
Thermostat Control
The adjustable thermostat with three heat settings (2500W, 1500W, and 1000W) allows for tailored warmth to suit individual preferences.
Portability
Its compact design and easy-roll wheels make it ideal for small spaces like home offices and convenient to move around.
Noise Level
Easy-to-use controls and quick heating are standout features, though some users noted occasional strange noises during operation.
#2

Pro Breeze Oil Filled Radiator with 11 Fins - Slim Electric Radiator - Portable Oil Heater with Built-in 24 Hour Timer, 3 Heat Settings, Adjustable Thermostat (White Radiator)

Rating
9.8
Heating Power (Wattage)
Thermostat Control
Safety Features
Heating Power (Wattage)
The Pro Breeze Oil Filled Radiator impresses with powerful heating that circulates warmth efficiently and quickly throughout the room.
Thermostat Control
The adjustable thermostat with three heat settings allows for personalized warmth, making it perfect for tailoring the temperature to your preference.
Safety Features
The heater is reliable, energy-efficient, and safe, making it a great option for small spaces and specific rooms.
Portability
Its compact design fits easily in smaller spaces, ideal for home offices and under desks, and the easy-roll wheels and carry handle enhance portability.
Noise Level
While it heats up quickly and has easy-to-use controls, some users have noted occasional strange noises, though they do not affect performance.

The Pro Breeze Oil Filled Radiator is a strong contender for anyone needing efficient and sustained heating. With 2500W of power and 11 fins, it quickly warms up rooms, making it ideal for home offices, living rooms, and bedrooms. Its adjustable thermostat offers three heat settings (2500W, 1500W, and 1000W), providing flexibility based on your heating needs.

A 24-hour timer enhances energy efficiency by allowing you to set specific times for the heater to operate, potentially saving on energy bills. Safety is a significant plus with built-in overheat protection, a tip-over switch, and automatic thermal shutoff, making it safe for use in various locations, including nurseries and children's rooms. Portability is another advantage, thanks to its compact design, easy-roll wheels, cable tidy, and carry handle, allowing for easy movement and storage.

The noise level is low, which means it won't disrupt your activities or sleep. However, at 11.7 kg, it might be a bit heavy for some users to lift frequently. Additionally, while it saves energy by heating specific areas, it may not be the best option for very large spaces.

Rating
9.8
Heating Power (Wattage)
Thermostat Control
Safety Features
Heating Power (Wattage)
The Pro Breeze Oil Filled Radiator impresses with powerful heating that circulates warmth efficiently and quickly throughout the room.
Thermostat Control
The adjustable thermostat with three heat settings allows for personalized warmth, making it perfect for tailoring the temperature to your preference.
Safety Features
The heater is reliable, energy-efficient, and safe, making it a great option for small spaces and specific rooms.
Portability
Its compact design fits easily in smaller spaces, ideal for home offices and under desks, and the easy-roll wheels and carry handle enhance portability.
Noise Level
While it heats up quickly and has easy-to-use controls, some users have noted occasional strange noises, though they do not affect performance.
#3

De'Longhi Dragon 4 TRD41025T Oil Filled Radiator - White

Rating
9.6
Heating Power (Wattage)
Thermostat Control
Safety Features
Heating Power (Wattage)
Excellent heat output, capable of warming even large rooms efficiently.
Thermostat Control
The thermostat is sensitive but effectively maintains a constant temperature.
Safety Features
Using a properly rated extension lead can safely accommodate the heater's power draw.
Portability
Despite its heavy weight, it rolls easily on wheels and the casters are strong.

The De'Longhi Dragon 4 TRD41025T is a well-regarded oil-filled radiator ideal for indoor use, offering efficient heating with its 2.5 kW heat output. Users can choose from three heat settings, including a medium setting of 1400 watts and a minimum of 1100 watts, which allows for flexible temperature control. The radiator benefits from an enhanced chimney effect that efficiently circulates hot air, making it a reliable choice for those needing consistent warmth.

A standout feature is its portability, thanks to pre-assembled easy wheels and a carry handle, making it simple to move between rooms. This device is designed with safety in mind, though specific safety features aren't detailed, the long 10-year warranty suggests durability and reliability. The elegant white design is aesthetically pleasing, allowing it to blend seamlessly with various home decors.

However, the radiator's substantial weight of 17.52 kg may make it less convenient for some users when moving it, despite the wheels and handle. As an indoor-only unit, it lacks versatility for outdoor use, which might limit its appeal for those seeking a multipurpose heater. Furthermore, while the noise level is not specified, oil-filled radiators are generally quiet, benefiting users looking for a heater that doesn’t disturb their environment.

In conclusion, the De'Longhi Dragon 4 is well-suited for indoor spaces needing a powerful, flexible heating solution with easy portability, though its weight and single-purpose usage might be points to consider for potential buyers.

Rating
9.6
Heating Power (Wattage)
Thermostat Control
Safety Features
Heating Power (Wattage)
Excellent heat output, capable of warming even large rooms efficiently.
Thermostat Control
The thermostat is sensitive but effectively maintains a constant temperature.
Safety Features
Using a properly rated extension lead can safely accommodate the heater's power draw.
Portability
Despite its heavy weight, it rolls easily on wheels and the casters are strong.

Buying Guide for the Best Oil Heaters

When choosing an oil heater, it's important to consider the size of the space you want to heat, your energy efficiency preferences, and any additional features that might enhance your comfort and convenience. Oil heaters are a great option for providing consistent and gentle heat, making them ideal for bedrooms, living rooms, or any space where you spend a lot of time. They are generally quiet and maintain warmth even after being turned off, thanks to the oil inside retaining heat. Understanding the key specifications will help you select the best oil heater for your needs.
Heating Power (Wattage)Heating power, measured in watts, indicates how much heat the oil heater can produce. This is crucial because it determines the size of the room the heater can effectively warm. Typically, heaters range from 500 to 2500 watts. For small rooms or spaces, a heater with lower wattage (500-1000 watts) is sufficient. Medium-sized rooms may require 1000-1500 watts, while larger spaces might need 1500-2500 watts. To choose the right wattage, consider the size of the room and how quickly you want it to heat up.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature, which is important for energy efficiency and comfort. Some heaters have adjustable thermostats with multiple settings, while others offer digital controls for precise temperature management. If you want to maintain a consistent temperature without manually adjusting the heater, look for models with a programmable thermostat. This feature is particularly useful if you plan to use the heater in a space where you spend a lot of time, as it can help maintain a comfortable environment.
Safety FeaturesSafety features are essential in any heating device to prevent accidents and ensure safe operation. Common safety features in oil heaters include overheat protection, which automatically shuts off the heater if it gets too hot, and tip-over protection, which turns off the heater if it is knocked over. Some models also have cool-touch exteriors to prevent burns. When selecting an oil heater, prioritize models with these safety features, especially if you have children or pets, or if the heater will be used in high-traffic areas.
PortabilityPortability refers to how easy it is to move the heater from one location to another. This is important if you plan to use the heater in different rooms or need to store it when not in use. Features that enhance portability include wheels, handles, and a lightweight design. If you need a heater that can be easily relocated, look for models with these features. Consider the weight and size of the heater in relation to your ability to move it comfortably.
Noise LevelNoise level is an important consideration if you plan to use the heater in a bedroom or a quiet space. Oil heaters are generally quieter than other types of heaters because they don't have fans. However, some models may produce slight clicking or popping sounds as the oil heats up. If noise is a concern, look for user reviews or product descriptions that mention quiet operation. Choosing a model with minimal noise can enhance your comfort, especially in environments where silence is preferred.