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4 Best Delonghi Oil Filled Radiator 2026 in the United States

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Our Top Picks

#1

Winner

De'Longhi Dragon Digital Oil Filled Radiator Heater, 1500W Electric Space Heater for indoor use, programmable timer, Energy Saving, full room heater with safety features TRD40615E

Rating
10.0
Chosen by1,421
Heating Power (Wattage)
Thermostat Control
Safety Features

Most important from
4824 reviews

Heating Power (Wattage)
The heater is extremely intuitive, convenient, and powerful, easily heating large rooms even in very cold temperatures.
Thermostat Control
The digital thermostat and power settings make it easy to maintain a comfortable temperature without burning anyone, providing peace of mind with its safety features.
Safety Features
The digital thermostat and power settings make it easy to maintain a comfortable temperature without burning anyone, providing peace of mind with its safety features.
Portability
The radiator is easy to move around, thanks to its wheels and ergonomic handles.

The De'Longhi Dragon Digital Oil Filled Radiator Heater is a powerful and efficient option for those seeking to heat small to medium indoor spaces. With a solid 1500 watts of heating power, it offers rapid warmth thanks to its unique design that increases radiant surface area by 75%. This means you can expect effective heat distribution in your room without the noise of a fan, making it a good choice for allergy sufferers or those sensitive to dust and pollen.

One of its standout features is the digital control panel with an LED display that simplifies setting adjustments and programming your heating schedule with its 24-hour timer. The ECO Plus feature optimizes energy consumption by adjusting power flow while still keeping your comfort in mind.

Portability is another strong suit with ergonomic handles and wheels that make it easy to move from room to room, catering to different heating needs around your home. Safety is a priority as well, with built-in features like a child lock, thermal cut-off, and an anti-freeze setting that automatically activates in cooler temperatures.

Rating
10.0
Chosen by1,421
Heating Power (Wattage)
Thermostat Control
Safety Features

Most important from
4824 reviews

Heating Power (Wattage)
The heater is extremely intuitive, convenient, and powerful, easily heating large rooms even in very cold temperatures.
Thermostat Control
The digital thermostat and power settings make it easy to maintain a comfortable temperature without burning anyone, providing peace of mind with its safety features.
Safety Features
The digital thermostat and power settings make it easy to maintain a comfortable temperature without burning anyone, providing peace of mind with its safety features.
Portability
The radiator is easy to move around, thanks to its wheels and ergonomic handles.
#2

DeLonghi Oil Filled Radiant Heater, 1500W Electric Space Heater - Quiet and Portable with Anti-Freeze Function and Safety Features, TRH0715

Rating
7.9
Heating Power (Wattage)
Safety Features
Portability

Most important from
4797 reviews

Heating Power (Wattage)
Maintains an even, soothing, non-drying heat once it reaches the desired room temperature.
Safety Features
The unit performed flawlessly without issues like overheating, unpleasant odors, or noise.
Portability
Highly portable and quiet, making it a convenient source of heat.

The DeLonghi Oil Filled Radiant Heater is a solid choice for those seeking an effective heating solution for small to medium indoor spaces. With a powerful 1500 watts, it delivers gentle warmth while minimizing dry air, making it a comfortable option for allergy sufferers. The exclusive thermal slot design enhances heat flow while keeping the surface cool, which is a great safety feature, especially in homes with children or pets.

User-friendly controls allow for easy adjustments to power levels and temperature, and the integrated handle and smart snap wheels make it highly portable. You can move it from room to room without any hassle, which is a big plus for anyone needing flexibility in their heating. The heater also includes a useful anti-freeze function, automatically activating when the temperature drops, which can help prevent frozen pipes in places like basements or vacation homes.

While it is effective for smaller areas, this heater may struggle in larger spaces or open-concept areas due to its design focus on gentle heating. Additionally, since it’s an oil-filled model, it may take some time to heat up initially, and while it operates quietly, it also does not have a fan to help circulate the heat quickly. Users looking for immediate warmth may find this to be a limitation. Last but not least, it does require a bit of floor space due to its pedestal form factor, which could be a concern in tight areas.

Rating
7.9
Heating Power (Wattage)
Safety Features
Portability

Most important from
4797 reviews

Heating Power (Wattage)
Maintains an even, soothing, non-drying heat once it reaches the desired room temperature.
Safety Features
The unit performed flawlessly without issues like overheating, unpleasant odors, or noise.
Portability
Highly portable and quiet, making it a convenient source of heat.
#3

DeLonghi Radia S Oil-Filled Radiator Space Heater, Full Room Quiet 1500W, Adjustable Thermostat, 3 Heat Settings, Digital Timer, ECO Energy Saving Mode, Safety Features, Light Gray, TRRS0715E

Rating
7.6
Heating Power (Wattage)
Thermostat Control
Timer Function

Most important from
1825 reviews

Heating Power (Wattage)
The heater quickly warms up mid-sized rooms and has an accurate timer and temperature gauge.
Thermostat Control
The adjustable temperature setting and timer work well, providing quiet and safe heating.
Timer Function
The adjustable temperature setting and timer work well, providing quiet and safe heating.
Safety Features
It never gets too hot to touch, ensuring safety even if children or pets are around.
Portability
Thoughtful features like the power cord wrap and sturdy wheels enhance usability.
Size and Design
The design and color blend well with room decor, maintaining aesthetics.

The DeLonghi Radia S Oil-Filled Radiator Space Heater is designed to efficiently heat small to medium rooms, making it a solid choice for anyone looking to keep their living space warm during colder months. With a robust heating power of 1500 watts, it provides consistent warmth while being remarkably quiet, which is perfect for bedrooms or home offices. The adjustable thermostat and three heat settings give you flexibility to customize your comfort, and the digital control panel with LED display simplifies operation, allowing you to set the 24-hour timer with ease.

One of the standout features is its energy-saving ECO mode, which intelligently adjusts settings to optimize warmth without inflating your energy bill. The safety features, including a thermal cut-off to prevent overheating and a child lock, add peace of mind, especially for families. Additionally, the anti-freeze function is a great perk for maintaining safe temperatures in spaces like basements or vacation homes.

While the heater is effective, it may not be the best option for larger rooms beyond the 250-square-foot coverage. Also, being a heavier unit at 22.3 pounds, its portability could be limited for those who prefer moving it frequently between rooms. The design is relatively compact, but its floor-mount form factor might not fit well in very cramped spaces.

Rating
7.6
Heating Power (Wattage)
Thermostat Control
Timer Function

Most important from
1825 reviews

Heating Power (Wattage)
The heater quickly warms up mid-sized rooms and has an accurate timer and temperature gauge.
Thermostat Control
The adjustable temperature setting and timer work well, providing quiet and safe heating.
Timer Function
The adjustable temperature setting and timer work well, providing quiet and safe heating.
Safety Features
It never gets too hot to touch, ensuring safety even if children or pets are around.
Portability
Thoughtful features like the power cord wrap and sturdy wheels enhance usability.
Size and Design
The design and color blend well with room decor, maintaining aesthetics.

Buying Guide for the Best Delonghi Oil Filled Radiator

When choosing an oil-filled radiator, it's important to consider several key specifications to ensure you select the best model for your needs. Oil-filled radiators are a popular choice for heating because they are efficient, quiet, and provide consistent warmth. Understanding the key features and how they impact performance will help you make an informed decision.
Heating Power (Wattage)Heating power, measured in watts, determines how much heat the radiator can produce. This is crucial because it affects how quickly and effectively the radiator can warm up a room. Radiators typically range from 500W to 2500W. For small rooms or spaces, a lower wattage (500W-1000W) may suffice. Medium-sized rooms may require 1000W-1500W, while larger rooms or open spaces might need 1500W-2500W. Consider the size of the room you need to heat when choosing the wattage.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature. This feature is important for energy efficiency and comfort, as it prevents the room from becoming too hot or too cold. Some models offer adjustable thermostats with multiple settings, while others have digital controls for precise temperature management. If you want more control over your room's temperature, look for a model with a digital thermostat.
Timer FunctionA timer function lets you program the radiator to turn on or off at specific times. This is useful for ensuring the room is warm when you need it, such as in the morning or when you return home from work. Timers can be mechanical or digital, with digital timers offering more flexibility and precision. If you have a regular schedule, a timer can help you save energy and ensure comfort.
Safety FeaturesSafety features are essential to prevent accidents and ensure safe operation. Common safety features include overheat protection, which automatically shuts off the radiator if it gets too hot, and tip-over protection, which turns off the unit if it is knocked over. Some models also have a thermal cut-off and a cool-touch exterior. Prioritize models with these safety features, especially if you have children or pets.
PortabilityPortability refers to how easy it is to move the radiator from one room to another. This is important if you plan to use the radiator in different areas of your home. Look for models with wheels or casters, a carry handle, and a manageable weight. If you need to move the radiator frequently, these features will make it more convenient.
Size and DesignThe size and design of the radiator can affect both its heating efficiency and how well it fits into your space. Larger radiators typically provide more heat but take up more space. Slim or compact designs are ideal for smaller rooms or tight spaces. Additionally, consider the aesthetic design if you want the radiator to blend in with your home decor. Choose a size and design that meets your heating needs and complements your living space.

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