5 Best Delonghi Oil Heaters 2025 in the United States

The De'Longhi Dragon Digital Oil Filled Radiator Heater is a solid choice for anyone seeking an efficient and quiet heating solution for small to medium indoor spaces. With a powerful 1500W heating capacity, it offers quick and effective warmth, making it suitable for bedrooms, home offices, and studies. One of its standout features is the digital control panel with a 24-hour programmable timer, allowing users to easily customize their heating schedule, which is a great energy-saving feature. The ECO Plus function also optimizes energy consumption, further enhancing its efficiency.

In terms of design, the heater boasts a unique structure that provides 75% more radiant surface area compared to previous models, enhancing its heat distribution. Additionally, with no fan involved, it minimizes the movement of dust and allergens, creating a more comfortable breathing environment for allergy sufferers.

Portability is another strong suit; the integrated handles and Smart Snap wheels allow for easy relocation throughout your home without installation hassle. It’s built with safety in mind, featuring a thermal cut-off and an anti-freeze setting that activates when temperatures drop too low. However, the unit is relatively heavy at 26.6 pounds, which may impact mobility for some users, despite its ergonomic design. While the heater is designed for quiet operation, there may still be some noise when it heats up, which could be an issue in very quiet environments. Its coverage is limited to small to medium spaces, so it may not effectively heat larger rooms.

The De'Longhi Oil Filled Radiator Heater (model EW7707CB) is a solid choice for heating small to medium indoor spaces like bedrooms or home offices. With a heating power of 1500 watts, it provides steady and quiet warmth without the blowing noise of fan heaters, which is great if you prefer a calm environment or have allergies since it doesn't stir up dust. It features a simple control panel with a thermostat that can maintain your preferred temperature efficiently, using the ComfortTemp function to adjust power automatically and help save energy.

Although it doesn't include a timer function, it does have safety features like thermal cut-off, an enclosed heating element, and an anti-freeze setting that turns the heater on if the room gets too cold. Portability is a plus here — the heater has a comfortable handle and smart wheels, making it easy to move around your home without hassle. The oil inside is sealed and never needs refilling, so maintenance is minimal, and the steel body is corrosion-resistant for durability.

One drawback is that it offers only one heat setting and lacks a timer, which some users might miss for more control. At about 23 pounds, it's not the lightest heater but still manageable thanks to the wheels and handle. This model provides a quiet, energy-saving heating solution with useful safety features, ideal for those seeking a reliable and low-maintenance option to heat individual rooms without complicated controls.

The DeLonghi Oil Filled Radiant Heater is a solid choice for those seeking quiet and effective heating in small to medium-sized spaces. It delivers 1500 watts of power, which is sufficient for most residential needs and can cover an area of about 250 square feet. The simple controls make it easy to adjust the power level and temperature, ensuring you can maintain a comfortable environment.

One of its standout features is its exclusive thermal slot design that maximizes heat flow while keeping the surface temperature low, making it safer to use around children and pets. Additionally, it has an anti-freeze function that automatically turns on the heater when temperatures drop below 41 degrees Fahrenheit, which can be particularly useful in basements or vacation homes to prevent frozen pipes. The built-in safety elements, including thermal cut-off and fully enclosed heating elements, add an extra layer of security.

The heater is also designed to be durable and low maintenance, with a high-quality steel assembly and a permanently sealed oil reservoir that never needs refilling. Portability is another plus, as the integrated handle and smart snap wheels allow for easy movement from room to room. It lacks a timer function, which could be a downside for those who want to set specific heating schedules. The noise level is minimal, making it a great option for bedrooms or home offices. While the heater is quite effective, it may not be the best choice for very large rooms or spaces that require rapid heating. This DeLonghi heater is a reliable and safe option for quiet, steady heating with the added benefit of being easy to move and maintain, though it may not suit all heating needs due to its lack of a timer function and potential limitations in very large spaces.