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10 Best Oil Filled Space Heater 2026 in the United States
#1
Winner
Pelonis Oil Filled Radiator Heater for Large Space, 2025 Upgraded, Space Heaters with 1500W Quiet Warmth Radiant Heater, 3 Heating Modes, Overheat & Tip-Over Protection, Adjustable Thermostat, Black
The Pelonis Oil Filled Radiator Heater is a solid choice for heating medium to large indoor spaces, offering 1500 watts of power with three adjustable heating modes (600W, 900W, and 1500W) that let you customize warmth and manage energy use effectively. Its 7 fins with high-conductivity oil provide faster and more even heat distribution, covering up to 250 square feet, which suits bedrooms, living rooms, or home offices well. The adjustable thermostat is simple to use with a dial control, allowing you to maintain a comfortable temperature without fuss.
Rating
10.0
Chosen by1,387
Energy Efficiency
Thermostat Control
Noise Level
Most important from
6198 reviews
#2
PELONIS Radiator Heater for Large Space, Electric Oil Filled Radiator, Dual Knobs, 1500W, Quiet Space Heater, 3 Modes, Tip-over Protection
The PELONIS Radiator Heater is a solid choice if you're looking to warm up a large room efficiently. With 1500 watts of heating power and three heat settings (600W, 900W, and 1500W), it offers flexibility to control warmth and manage energy use, which can help keep your electricity bills lower. The adjustable thermostat lets you set a comfortable temperature between 41 and 95 degrees Fahrenheit, giving you good control over your room’s climate.
Rating
10.0
Heating Power (Wattage)
Thermostat Control
Safety Features
Most important from
6198 reviews
#3
Amazon Basics Portable Oil Radiator Heater for Indoor Use, 3 Heat Settings, Over-Heat Protection, ETL-certified Safety, 7 Oil-Filled Steel Fins, 1500W, 11"D x 14.8"W x 25.2"H, White
The Amazon Basics Portable Oil Radiator Heater is a solid choice for anyone looking to warm up small to medium indoor spaces, such as bedrooms or offices, up to about 144 square feet. It offers three heat settings (600W, 1000W, and 1500W), which gives you flexibility to adjust the warmth while managing energy use. Thanks to its seven oil-filled steel fins, it provides steady and lasting heat, continuing to warm the room even after being switched off, which adds to its energy efficiency. The heater operates silently since it doesn’t use a fan, making it ideal for quiet environments like bedrooms or workspaces. Safety is well-covered with ETL certification, tip-over shutoff, and overheat protection, giving you peace of mind during use.
Rating
9.4
Heating Power (Wattage)
Safety Features
Size and Portability
Most important from
3298 reviews
Top 10 Best Oil Filled Space Heater 2026 in the United States
#1
Winner
Pelonis Oil Filled Radiator Heater for Large Space, 2025 Upgraded, Space Heaters with 1500W Quiet Warmth Radiant Heater, 3 Heating Modes, Overheat & Tip-Over Protection, Adjustable Thermostat, Black
Pelonis Oil Filled Radiator Heater for Large Space, 2025 Upgraded, Space Heaters with 1500W Quiet Warmth Radiant Heater, 3 Heating Modes, Overheat & Tip-Over Protection, Adjustable Thermostat, Black
Heating Power (Wattage): 600W, 900W, 1500W
Thermostat Control: Adjustable dial control
Safety Features: Overheat and tip-over protection
Size and Portability: 13.8"D x 11"W x 25.2"H, 17.3 lbs
Noise Level: Near silence
Energy Efficiency: Selectable lower wattage settings
Chosen by 1387 this week
PELONIS Radiator Heater for Large Space, Electric Oil Filled Radiator, Dual Knobs, 1500W, Quiet Space Heater, 3 Modes, Tip-over Protection
PELONIS Radiator Heater for Large Space, Electric Oil Filled Radiator, Dual Knobs, 1500W, Quiet Space Heater, 3 Modes, Tip-over Protection
Heating Power (Wattage): 1500 Watts
Thermostat Control: Adjustable, 41 to 95°F
Safety Features: Tip-over, overheat, safety shut-off
Size and Portability: 14.17x11.02x26.06 inches, portable
Noise Level: Quiet, no noisy fan
Energy Efficiency: Energy efficient
Amazon Basics Portable Oil Radiator Heater for Indoor Use, 3 Heat Settings, Over-Heat Protection, ETL-certified Safety, 7 Oil-Filled Steel Fins, 1500W, 11"D x 14.8"W x 25.2"H, White
Amazon Basics Portable Oil Radiator Heater for Indoor Use, 3 Heat Settings, Over-Heat Protection, ETL-certified Safety, 7 Oil-Filled Steel Fins, 1500W, 11"D x 14.8"W x 25.2"H, White
Heating Power (Wattage): 600W, 1000W, 1500W
Safety Features: ETL, tip-over shutoff, overheat protection
Size and Portability: 11"D x 14.8"W x 25.2"H, 17 lbs
Noise Level: silent
Energy Efficiency: warms after being switched off
Amazon Basics Oil Space Heater, Portable Radiator Heater with 7 Oil-Filled Fins for Indoor Use, 3 Heat Settings, Thermostat, Tip-Over Protection, ETL Safety Certificate, Manual Control, 1500W, Black
Amazon Basics Oil Space Heater, Portable Radiator Heater with 7 Oil-Filled Fins for Indoor Use, 3 Heat Settings, Thermostat, Tip-Over Protection, ETL Safety Certificate, Manual Control, 1500W, Black
Heating Power (Wattage): 1500W, 900W, 600W
Thermostat Control: manual
Safety Features: tip-over, overheat protection, ETL certified
Size and Portability: 26.38"D x 13.19"W x 9.84"H, wheels
Noise Level: silent
Energy Efficiency: oil-filled, saves energy after power off
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PELONIS Oil Filled Radiator Heater for Indoor Use Large Room with Remote, Electric Space Heater with Thermostat, Energy Efficient with ECO Mode, 24H Timer, Quiet, Overheat & Tip-Over Protection, 1500W
PELONIS Oil Filled Radiator Heater for Indoor Use Large Room with Remote, Electric Space Heater with Thermostat, Energy Efficient with ECO Mode, 24H Timer, Quiet, Overheat & Tip-Over Protection, 1500W
Heating Power (Wattage): 1500 Watts
Thermostat Control: Adjustable 41°F to 95°F
Safety Features: Overheat and tip-over protection
Size and Portability: 26 inches, 24 lbs, wheels, handles
Noise Level: Almost zero noise
Energy Efficiency: Energy-saving ECO mode
Dreo Radiator Heater, 8 Safety Protection Oil Filled Radiator Heater for Indoor Use, 1500W Electric Heaters for Large Room, 8 Fins, with Remote, 4 Modes, Digital Thermostat, 24H Timer, Quiet
Dreo Radiator Heater, 8 Safety Protection Oil Filled Radiator Heater for Indoor Use, 1500W Electric Heaters for Large Room, 8 Fins, with Remote, 4 Modes, Digital Thermostat, 24H Timer, Quiet
Heating Power (Wattage): 1500W
Thermostat Control: Electronic Thermostat
Safety Features: Tip-Over Protection, Flame Retardant, Triple Overheat
Size and Portability: 20.6 pounds, 19.37"D x 10.12"W x 26.06"H
Noise Level: Quiet
Energy Efficiency: Energy Efficient, Smart ECO mode
PELONIS Champagne Oil Filled Radiator Heater with Remote and Thermostat, 5 Temperature Settings for indoor use Large Room, Energy Efficient Electric Space heater with Safety Features
PELONIS Champagne Oil Filled Radiator Heater with Remote and Thermostat, 5 Temperature Settings for indoor use Large Room, Energy Efficient Electric Space heater with Safety Features
Heating Power (Wattage): 1500 watts
Thermostat Control: Electronic, Programmable, 5 temp settings
Safety Features: Tip-over, Overheat protection, Flame-retardant
Size and Portability: 15.16"D x 6.38"W x 26.06"H, portable
Noise Level: Quiet operation, no fan
Energy Efficiency: Energy efficient, ECO mode
#10
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Buying Guide for the Best Oil Filled Space Heater
Choosing the right oil-filled space heater can make a significant difference in your comfort during the colder months. These heaters are known for their efficiency and ability to provide consistent warmth. When selecting an oil-filled space heater, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and find a heater that meets your specific requirements.Heating Power (Wattage)Heating power, measured in watts, indicates how much heat the heater can produce. This is crucial because it determines how effectively the heater can warm up a space. Generally, higher wattage means more heat output. For small rooms or personal use, a heater with 600-800 watts may suffice. For medium-sized rooms, look for 1000-1500 watts. For larger spaces, you might need a heater with 1500 watts or more. Consider the size of the room you want to heat and choose a heater with appropriate wattage to ensure efficient heating.
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 heaters come with adjustable thermostats, while others have fixed settings. If you want precise control over the temperature, look for a model with an adjustable thermostat. This way, you can set the heater to your preferred temperature and it will automatically turn on and off to maintain that level.
Safety FeaturesSafety features are essential in any space heater to prevent accidents and ensure safe operation. Common safety features include overheat protection, which 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 choosing a heater, prioritize models with these safety features, especially if you have children or pets at home.
Size and PortabilityThe size and portability of an oil-filled space heater can affect its convenience and usability. Smaller, lightweight models are easier to move from room to room, making them ideal for personal use or small spaces. Larger models may provide more heat but can be cumbersome to move. Consider where you will be using the heater and how often you might need to move it. If portability is important, look for a model with wheels or a carrying handle.
Noise LevelOil-filled space heaters are generally quieter than other types of heaters because they do not have a fan. However, some models may still produce a slight hum or clicking noise as they operate. If you are sensitive to noise or plan to use the heater in a bedroom or office, look for a model that is specifically designed to operate quietly. Reading user reviews can also give you an idea of the noise level of different models.
Energy EfficiencyEnergy efficiency is important for keeping your heating costs down. Some oil-filled space heaters come with energy-saving features such as programmable timers, eco modes, or low wattage settings. These features help reduce energy consumption by allowing you to control when and how the heater operates. If you are concerned about energy usage, look for a model with these features to help manage your electricity bills while staying warm.