10 Best Oil Filled Heater 2025 in the United States

The DeLonghi Dragon Digital Oil Filled Radiator Heater offers 1500 watts of heating power, making it suitable for small to medium rooms like bedrooms or home offices. Its digital control panel with LED display and 24-hour programmable timer provides easy temperature and timing adjustments, helping you keep your space comfortable and ready on schedule. A major plus is its energy-saving ECO Plus feature, which smartly adjusts power use to keep energy consumption efficient without sacrificing warmth. Safety is well covered with built-in child lock, thermal cut-off to prevent overheating, and an anti-freeze setting that activates at low temperatures to protect your space.

The heater warms up quickly thanks to its unique design that increases radiant surface area, providing gentle, fan-free heat that won’t stir dust or allergens—a big benefit for sensitive users. Portability is considered with integrated handles and easy-to-move snap wheels that don’t require assembly, though it weighs around 26.6 pounds, so it’s not ultra-light but still manageable. It operates quietly and requires little maintenance due to its sealed oil reservoir and durable steel build with a rust-resistant finish.

One downside is that it has only one heat setting and a maximum temperature capped at 82°F, which may limit flexibility in very cold environments or for larger spaces. The size is moderate, so it takes up a bit of floor space but is typical for oil-filled heaters. This model is ideal for those looking for a safe, efficient, and allergy-friendly oil heater with convenient digital controls and solid build quality for everyday indoor use.

The Amazon Basics Oil Space Heater is a solid choice for a reliable and quiet heater suitable for indoor use, such as in homes or offices. It offers three heat settings (600W, 900W, and 1500W) with an adjustable thermostat, allowing easy customization of warmth. The seven oil-filled fins hold and spread heat evenly, keeping rooms cozy for longer periods even after the heater is turned off, which can help save on energy costs.

This heater operates quietly since it has no fan, making it ideal for use while sleeping or working without disturbances. Safety features include ETL certification, tip-over protection, and overheat shut-off, providing peace of mind when used around children or pets. The unit is fairly portable with caster wheels and a handle, weighing about 17 pounds, making it manageable to move. Its compact size fits well in most rooms without occupying too much space. The included remote control and digital panel simplify adjusting the settings.

Since it is an oil-filled radiator, the heater takes some time to warm up compared to fan heaters, making it better suited for steady, long-lasting heat rather than quick bursts. Additionally, assembly is required, which may be a minor inconvenience for some users. This unit delivers dependable, energy-efficient heating with solid safety features in a portable design, ideal for those seeking quiet and gradual warming.

The Amazon Basics Oil Space Heater is a versatile and efficient heating option with a maximum power output of 1500W. It offers three heat settings (High, Medium, Low) and an adjustable thermostat, allowing you to customize the warmth according to your needs. The radiator technology ensures long-lasting and consistent heat, even after the unit is turned off, making it energy efficient. The seven oil-filled fins enhance heat dispersion, providing faster and more even warmth, which is ideal for spaces up to 150 square feet like home offices or bedrooms.

Despite its powerful performance, this heater operates quietly since it doesn't use a fan, making it suitable for quiet environments. Safety is a priority with this heater, featuring tip-over protection and overheat protection, along with a fully enclosed heating element, and an ETL safety certification. This makes it a safe choice for homes with children or pets. The unit is portable, equipped with caster wheels and a handle for easy movement between rooms.

However, it lacks digital controls, relying on simple manual controls which might not be as convenient for some users. Additionally, it requires some assembly, which might be a minor inconvenience. With a weight of 15.41 pounds and dimensions of 13.19 x 9.84 x 26.38 inches, it is relatively compact but can be slightly bulky to move around frequently. This heater strikes a good balance of performance, safety, and ease of use, making it a reliable option for indoor heating needs.