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7 Best Delonghi Oil Heaters 2025 in the UK

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Our Top Picks

#1

Winner

De'Longhi Dragon 4 TRD41025T Oil Filled Radiator - White

Rating
9.8
Chosen by1,163
Heating Power
Thermostat Control
Portability
Heating Power
Heats up incredibly fast and offers excellent quality.
Thermostat Control
Manual timer is robust and easy to operate, maintaining a constant temperature effectively.
Portability
Heavy but rolls well on wheels, making it easy to move despite its weight.
Noise Level
Despite concerns, the heater operates without bad smells, creaking, or loud ticking noises.

The De'Longhi Dragon 4 TRD41025T Oil Filled Radiator is a noteworthy choice for those needing an effective heating solution for indoor spaces. It features a powerful 2.5 kW heat output with three adjustable settings, allowing for flexible temperature management to suit varying comfort needs. The enhanced chimney effect is a clever design choice, accelerating the dispersion of hot air, which means your space heats up more efficiently. This is particularly useful for medium-sized rooms where quick heating is appreciated.

A standout feature of this radiator is its ease of mobility. It comes pre-assembled with easy wheels and a carry handle, making it user-friendly for moving between rooms. Its elegant, white pedestal design fits well into most home decors, adding a touch of style rather than being an eyesore.

Safety is always a prime concern with any heating device, and De'Longhi has a reputable track record in this area. Additionally, it operates quietly, which is an advantage for those who prioritize noise control in their home or office environment. Despite its excellent build, at 17.52 kg, it may still pose a challenge for some when moving frequently. Lastly, a 10-year warranty underscores its durability, which might imply higher upfront costs compared to other models.

Rating
9.8
Chosen by1,163
Heating Power
Thermostat Control
Portability
Heating Power
Heats up incredibly fast and offers excellent quality.
Thermostat Control
Manual timer is robust and easy to operate, maintaining a constant temperature effectively.
Portability
Heavy but rolls well on wheels, making it easy to move despite its weight.
Noise Level
Despite concerns, the heater operates without bad smells, creaking, or loud ticking noises.
#2

De'Longhi TRDX41025E Oil Filled Radiator, Dragon 4 Pro

Rating
9.6
Safety Features
Portability
Noise Level
Safety Features
Short cable length is a minor inconvenience, but safety considerations justify the design choice.
Portability
The heater is easy to move thanks to its castors and is not overly heavy for most people to lift.
Noise Level
Silent operation once up to temperature, with only minor sounds during heating or cooling due to metal expansion.

The De'Longhi TRDX41025E Oil Filled Radiator, Dragon 4 Pro, is a reliable indoor heating option with a strong heating power of up to 2500 watts and three adjustable heat settings. The digital control panel with an LED display and a 24-hour timer offers easy and precise thermostat control, allowing you to set the preferred temperature and schedule heating times conveniently.

The exclusive ECO function is a notable energy-saving feature, helping you to reduce electricity consumption while maintaining comfort levels. Additionally, the anti-frost protection is beneficial in preventing freezing in colder conditions, making it a practical choice for colder climates. Safety is well-addressed with this unit, featuring anti-frost protection and sturdy, pre-assembled rubberized wheels that enhance portability across different floor types.

With a noise level that is generally low for oil heaters, it ensures a quiet operation, ideal for home use without causing disturbances. However, the heater's weight of 1.9 kg might pose some difficulty in moving it around frequently. The relatively high price and the need for floor space (floor mount plug profile) could be potential drawbacks for those with limited space or budget constraints. These minor issues aside, the De'Longhi TRDX41025E is a solid choice for efficient and controlled heating.

Rating
9.6
Safety Features
Portability
Noise Level
Safety Features
Short cable length is a minor inconvenience, but safety considerations justify the design choice.
Portability
The heater is easy to move thanks to its castors and is not overly heavy for most people to lift.
Noise Level
Silent operation once up to temperature, with only minor sounds during heating or cooling due to metal expansion.
#3

De'Longhi TRDX40820E Oil Filled Radiator, Multicolour

Rating
9.4
Heating Power
Thermostat Control
Heating Power
Heats up quickly and efficiently regulates itself, making it ideal for boosting warmth in medium-sized rooms.
Thermostat Control
The eco setting is a standout feature, automatically regulating temperature to conserve energy, which users appreciate.

The De'Longhi TRDX40820E Oil Filled Radiator stands out for its effective heating capabilities, with a maximum power of 2000W, making it suitable for heating medium-sized indoor spaces. One of its key strengths is the ergonomic controls that allow users to easily set temperature, timer, and manage power settings, making it user-friendly. This heater's curved design enhances airflow, which can distribute heat more evenly throughout the room. It features a night-time setting for maintaining comfort while reducing energy consumption, appealing to those conscious of their electricity bills.

Safety is a notable feature, as its low surface temperature reduces the risk of burns, which is especially important for households with children. The fluid oil-filled design holds heat longer, providing a consistent warmth even after being switched off. However, weighing over 15 kg, it might not be the most portable option for those who need to move it frequently between rooms.

This heater is particularly well-suited for those prioritizing safety, ease of use, and efficiency in heating small to medium indoor spaces. However, if portability is a major concern, you might want to consider lighter alternatives.

Rating
9.4
Heating Power
Thermostat Control
Heating Power
Heats up quickly and efficiently regulates itself, making it ideal for boosting warmth in medium-sized rooms.
Thermostat Control
The eco setting is a standout feature, automatically regulating temperature to conserve energy, which users appreciate.

Buying Guide for the Best Delonghi Oil Heaters

When choosing a DeLonghi oil heater, it's important to consider your specific heating needs and the space you intend to warm. Oil heaters are known for their ability to provide consistent and efficient heat, making them a great choice for maintaining a comfortable environment during colder months. Understanding the key specifications will help you select a model that best fits your requirements, ensuring optimal performance and energy efficiency.
Heating PowerHeating power, measured in watts, indicates the heater's ability to produce heat. This is crucial because it determines how effectively the heater can warm up a space. Typically, oil heaters range from 500 to 2500 watts. For small rooms or personal spaces, a heater with lower wattage (500-1000 watts) may suffice. Medium-sized rooms might require 1000-1500 watts, while larger areas could need 1500-2500 watts. Consider the size of the room you want to heat and choose a heater with appropriate power to ensure comfort without wasting energy.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature, which is important for energy efficiency and comfort. It helps the heater to automatically turn on and off to maintain the set temperature, preventing overheating and saving on energy costs. Some models offer adjustable thermostats with multiple settings, while others might have a simple on/off switch. If you prefer precise temperature control, look for a model with a digital or adjustable thermostat.
Safety FeaturesSafety features are essential in any heating appliance 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 a thermal cut-off feature. If you have children or pets, or if the heater will be used in a high-traffic area, prioritize models with robust safety features.
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 away 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 to ensure convenience and flexibility.
Noise LevelNoise level is an important consideration if you plan to use the heater in a bedroom, office, or any space where quiet is preferred. Oil heaters are generally quieter than other types of heaters because they don't have fans. However, some models may still produce a slight hum or clicking noise as they heat up. If noise is a concern, look for reviews or specifications that mention quiet operation to ensure a peaceful environment.