Top 10 Best Oil Filled Heaters In 2020 Reviews

Heaters are one of the most bought appliances, especially in places that see low temperatures throughout the year. It is also gaining popularity over the years for it makes your home comfortable and cozy. You do not want to come home during winters and see it feels like Iceland. That is why heaters are there. These give you a feeling of comfort and a feeling of peace.

Many homes used to have fireplaces but these days using fireplaces to keep one warm are rare. Keeping yourself warm has become much easier in recent decades. Yet with the progressive age and with new technology coming up, we can find smart and technologically advanced heaters all around. All you need to do is push a button and let the machine take care of the temperature indoors.

Oil heaters are typically the ones that use convection to heat; they are used in various households and commercial places. There are different types of heaters available and each has its own different interior mechanisms. Oil heaters are popular because they are cost-efficient in the long run- something that every customer wants.

We also have articles on Top 10 Best Kerosene Heater 2020 Reviews and Top 10 Best Infrared Heater 2020 Reviews, check them out!

Things To Be Consider Before Buying Best Oil Filled Heater:


The most important factor here is the size of the room you are looking to heat up. It also must be kept in mind how big you want the appliance itself to be. The heaters have different heating capacities so that must be noted.

 Design and Portability-

A background check of the machine will tell you how it works and what features it includes. These are also very efficient as they consume less electricity and are very convenient to use. Some of them can be moved from one room to the other without much hassle.


The wattage rating of the heater is very significant because it will tell you exactly how much the heating output will be. If you want a large room to be heated that too in a short amount of time then you require a heater with a high wattage power.

Heating options-

There are heaters that have a wide variety of heating options to choose from. You would want to go through these so as to know exactly what the appliance offers you. If you wish to change the temperature to suit your needs then that too must be kept in mind. There are many heaters that are very environment friendly and will consume less electricity. These can be very useful.

Price and Warranty-

This is obviously one of the most important factors to be looked at. Most models come with a variety of options but they might be expensive. If you do not need a very sophisticated heater for your home then the ones that are expensive can be struck off from your list.

Smart heaters with new technology and intelligent heating are often costly; if you do not want so many additional features then you can go for a cheaper one. Warranty depends entirely on the model and the manufacturer. The operation life of the heater also depends on the usage by the user.


Top 10 Oil Filled Room Heaters On The Market


Best Oil Filled Heaters Reviews

#1 NewAir Electric Oil-Filled Space Heater, Indoor Personal Heater, Black, AH-450B

Top 10 Best Oil Filled Heaters In 2020 Reviews 11

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The NewAir electric oil-filled space heater is black in color and is perfect for heating your room. It powerful and comes with a special ECO mode. It also includes wheels under it and has handles so that you can take it from one room to the other easily. This is one of the most preferred heaters as it is perfect for the long winters. It is also extremely energy efficient.

There are three modes and you can set the temperatures remotely as and when needed. It is lightweight and looks slim so it can be placed in any room easily. It will not get overheated and has an anti-tip switch so that the heater shuts down if there is any supply fluctuation. It can heat up to 150 square feet in area.

The dimensions are 5.75 inches x 13.50 inches x 25.00 inches and it weighs 19.30 pounds.


  • Energy-efficient.
  • Silent during operation.
  • Automatically shuts down so no overheating.
  • Easy to move from one room to the other.


  • It should not be placed near curtains or walls.
  • Gets heated up after prolonged use.


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#2 COSTWAY Oil Filled Portable Radiator Space Heater 

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The Costway Oil-filled heater is white in color and has dimensions of 9.5 inches x 14 inches x 25 inches. It weighs approximately 19.3 pounds. It requires a power supply of 120 volts and a frequency supply of 60 hertz. It has three settings to adjust the heat and a thermostat to control the temperature. The power cord can be stored easily by wrapping it up and keeping it in its designated place.

It has wheels and handles to take it from one room to the other. It heats up the room in no time and is efficient for it keeps the room warm for longer periods of time. It has a power rating of 1500 watts. It does not require much maintenance and does not make a lot of noise during heating. It is extremely cost-efficient also. It will not get overheated and has a tip-over switch so that the heater shuts down if there is any supply fluctuation or if it is not placed properly.        



  • Easy to carry and move from one room to the other.
  • Fast heating.
  • Silent during operation.
  • High power rating.
  • Secure tip-over switch that shuts down the heater automatically.


  • The heater must be kept unplugged when not in use.
  • Metal gets heated during operation.


#3 PELONIS Electric Oil Filled Radiator Heater 

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This is an elegant black and silver-colored, electric oil-filled radiator heater. It has three heat settings and five temperature settings to choose from. It can be used to heat homes and offices also. It has a remote to control the modes and has an LED indicator with a ten-hour timer installed. This design does not use a fan and so it is absolutely silent during its operation.

It does not produce any dazzling light either. One of its special features is that it is allergen-free. The dimensions are 13.8 inches x 11 inches x 25.2 inches and it weighs around 16.09 pounds. It has four wheels that rotate 360 degrees so that it can be moved from one room to the other easily. It has an in-built safety switch so that if the heater tips over, it will be shut off immediately. It is very durable and it is sturdy. It has a power rating of 1500 watts.



  • LED display.
  • It makes no noise when in use.
  • Automatic shut down if it tips over.
  • Long power cord.


  • Initially takes time to heat up.
  • Machine gets noisy after prolonged use.


#4 Honeywell Energy Smart Convection Heater, Black

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This is a black colored smart oil-filled heater. It has smart technology that makes heating up the whole room easier. It is powerful and very energy efficient. It has three heat settings and an adjustable thermostat to help the user to choose the temperatures easily.

It can be moved from one room to the other with the help of the glide-easy wheels. It has safety features such as a tip-over switch and has insulated wires. It is also very cost-effective for it saves energy. This heater is silent and is rated at 1500 watts. Its dimensions are 13.7 inches x 9.0 inches x 24.4 inches. It weighs around 21 pounds. It has a 250 square foot area rating and is very useful because it can be used in homes and offices alike.


  • Wheels and handles to help move it easily.
  • Tip-over switch to shut down the heater automatically.
  • Cost-effective
  • Silent during operation.


  • Initially requires time to heat up.
  • Wheels may get damaged easily.


#5 COSTWAY Oil Filled Electric Radiator Heater 

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This is a sleek white-colored heater. It has a power rating of 700 watts. This appliance needs a power supply of 120 volts. It has an adjustable thermostat, a twist button to control temperatures, and can be used in heating rooms and offices. It is also equipped with overheating protection so that it automatically shuts down. It does not have wheels but it has a handle to carry it easily.

It is not that big in size, it can be kept under tables and is narrow too. The dimensions of this heater are 5.5 inches x 12 inches x 14 inches and it weighs approximately 8.6 pounds. It has a power indicator so that you know when it is turned on. It has seven small heat-sinks. The oil does not need changing or refilling. There is also an intelligent power saving mode which helps it maintain the perfect temperature constantly. It saves energy, is cost-effective, and does not require much maintenance.



  • Durable and highly cost-efficient.
  • It does not make noise when in use.
  • Oil does not need to be changed.
  • Low maintenance.
  • Long power cord.


  • Metal heats up when the heater is working.
  • It does not turn back on automatically after power failure.
  • No wheels to aid in moving it from one room to the other.


#6 DeLonghi Portable Oil-Filled Radiator TRN0812T 

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This oil-filled heater is rated at 1200 watts of power. The dimensions of this heater are 7 inches x 18 inches x 15 inches. It weighs around 19 pounds. It is silent during its use and is good for heating small rooms and offices. It is extremely energy efficient and has around 96 settings to choose from. The oil does not need to be changed or refilled. It has a GFI plug and can be used in the bathrooms also.

It does not get heated up very much. There is also an adjustable thermostat and a day-long timer. It is included with a cut-off switch also to prevent the appliance from getting damaged. Its anti-freeze technology makes sure the pipes do not freeze and it will automatically turn on when the temperature falls too low. It is rust-resistant and durable.



  • The power cord can be stored easily.
  • It can be used in the bathrooms as well.
  • It prevents from the pipes freezing with its anti-freeze technology.


  • No wheels present to help move it from one room to the other.
  • Noisy during operation.


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#7 DeLonghi Oil-Filled Radiator Space Heater 

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The DeLonghi oil-filled space heater is very efficient in heating up homes. It comes with three heat settings and an adjustable thermostat so that you can change the temperatures as and when needed. The heater is rated at 1500 watts and its dimensions are 5.9 inches x 13.8 inches x 24.9 inches. It weighs around 23.1 pounds. It is very cost-effective and will not be a burden on your bill. It is portable and has four wheels under it to help in moving it from one room to the other.

It does not require high maintenance and the oil inside does not require refilling. It is efficient in heating and is automatic to maintain a steady temperature. It has an energy-saving mode with its ComforTemp button. It has been so designed to make sure it always has a low surface temperature. There is also a user-friendly control panel and a thermal cut-off button that prevents the heater from heating up too much. It comes with an anti-freeze technology that switches on the heater if the temperature drops too much.



  • Wheels present to help in moving it easily.
  • ComforTemp button for energy saving.
  • Control panel to adjust temperature settings.
  • No assembly required.
  • Low maintenance.


  • No handles present to help pick up the appliance.
  • Might leak oil after prolonged use.


#8 INSIGNIA HTRFBK6 Oil-Filled Radiator Heater, Black

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The Insignia oil-filled radiator heater is black in color and has the dimensions of 22 inches x 5.5 inches x 14 inches. It weighs around 17 pounds. It does not require too complicated installation and heats an area of around 144 square feet. It has a 12.5 AMPs oil radiator that is rated at 1500 watts.

It is equipped with a tip-over switch as one of its safety features. You can control the temperature settings with the help of a remote too. This heater is perfect to keep your home comfortably heated especially during the cold winters. The heater requires a 120 volts power supply.


  • Wheels present to help in moving it.
  • Adjust temperatures with the help of a remote.
  • Safety tip-over switch included.


  • Takes time to heat up initially.
  • It can get too hot to touch.


#9 Optimus H-6003 Portable Oil Filled Radiator Heater


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The Optimus oil-filled heater is a mini heater, portable, and extremely cost-efficient. It is small having dimensions 16 inches x 6 inches x 15 inches and weighs around 1 pound. It is easy to carry and move around. The heater is rated at only 700 watts and is not able to heat up an entire room. It is actually a personal heater that comes with an adjustable thermostat and an energy indicator.


  • Small and sleek.
  • It can be carried around easily. 


  • No wheels present.
  • Cannot heat an entire room.


#10 TRUSTECH Oil Heater, Overheating Protection, Portable Compact Mini Radiator 

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The Trustech oil-filled heater is a small and efficient heater that is perfect for personal use. It is rated at 700 watts and is easy to place at any corner of your room. The dimensions are 15.1 inches x 5.4 inches x 12.4 inches and it weighs about 8.2 pounds. It is portable and has handles to help move it around.

It can heat up to an area of 120 square feet. You can adjust the temperature by using the knob. It also does not require high maintenance; the oil does not need any refilling. It comes equipped with a shutdown technology so that the heater is automatically switched off when it starts to overheat.


  • Small and compact.
  • Energy-efficient.
  • It makes no noise during its operation.


  • Cannot heat up an entire room.
  • No wheels present to move it.


Different Types Of Best Oil Filled Heaters:

Heaters can either be gas heaters or they can be electric heaters. The former burns natural gas or uses liquefied petroleum gas to work. They do not need to be plugged in and are not environment friendly. Electric heaters, on the other hand, are cheaper, energy-efficient and much more suitable. You will also get radiant heaters, quartz heaters, ceramic heaters, and the ones that are oil-filled. 

Ceramic heaters are the heaters that can provide you with fast heating. They do not take time to heat up and you can be assured a speedy rise in the temperature of the room it is in. However, these are not very useful because they cannot trap the heat and so after it is shut off, the room again becomes cold. Oil-filled heaters are extremely popular and are mostly found in homes. The oil inside does not require to be replaced or refilled. They use a resistor to heat up the oil which in turn helps with the heating of the room.

Some of the heaters these days come with thermostats so that the user can choose to adjust their temperatures. Timers are used so that you can go to sleep at night and not worry about waking up in the middle to switch off the heater. Many heaters need to be moved around from one room to the other and to help this; many heaters have wheels on them. Anti-noise technology assures you that you will not be listening to the annoying whirring of the heater when it is in operation.


How Does Oil Filled Heater Work?

Every oil heater has columns inside it where the oil present flows. The heating elements present in them help in raising the temperature. The process of thermal radiation and convection is prevalent. These heaters help in warming up your rooms efficiently and that too in a short amount of time. These heaters are constructed in a special manner so that the cold air of your room is taken in and the hot air is given out.

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There is a constant circulation seen in the room so that uniform heating is obtained. The heaters have a resistor present internally that converts electrical energy to heat energy by heating the oil. The oil present inside is also called the diathermic oil which has a capacity to keep the heat trapped. The desired temperature is set and then the heating and the oil-element present inside the appliance will flow around inside through the grooves and raise the temperature of the room.

The design is made keeping in mind that there is a large surface area present. This is to ensure that the heater itself does not get too hot or it might burn the user when he or she touches it. This ensures that a good amount of air is constantly in contact with the appliance and it helps in heating the surroundings better and effectively. Some heaters such as these oil-filled ones may be initially expensive but they are definitely more useful than the other kinds present in the market.


Security Features  

Although oil-filled heaters are popular, they are not often very safe. The danger of any kind of emergency especially like a fire is common. Most of these appliances are equipped with sensors with automatic cut-off technology. If your heater falls down or gets knocked over then the power supply is automatically cut-off. This is to prevent any kind of mishap or fires. Most often the manual comes with precautions that everyone must follow. One is that this appliance must not have any obstruction in its periphery.

It is a safety precaution. Objects if flammable must be kept far away from these heaters. The heaters must not be placed in any laundry rooms or in the bathroom. This is to ensure that the heater does not get damaged. A few heaters have in-built fans and fanning systems that try and maintain stable temperatures. Also, some machines see to it that if the power supply fluctuates and the input voltage is not stable, the appliance will not work.

Using a timer is also beneficial because it helps the heater to switch off if you go off to sleep and forget to switch it off at night. This is to make sure that the machine itself does not get damaged. As the heater is a very sensitive machine, it also needs proper care and maintenance. This is why you must make sure it receives servicing from time to time.



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Heating time varies from machine to machine especially when you choose the different modes. Some of the oil-filled heaters can initially take a while to heat up.

Do I have to change the oil inside the heater from time to time?

 The oil-filled heaters do not require you to change the oil inside. The oil will not get used up and it does not get evaporated either. 

What are some of the additional advantages?

These heaters are efficient. They can keep the heat trapped for a longer duration of time and you do not need to keep it switched on for hours at a stretch to get the perfect heating; hence user-friendly.

Is it cost-efficient in the long run?

Although the initial cost of purchasing these heaters is high, you can rest assured that in the long run, this type of investment is the most feasible.

What are the maintenance issues?

These oil-filled heaters last for years but it depends on the user too. Taking proper care is very important and so regular servicing is recommended. Even storage of the heater must be done properly else it can get damaged.


Best Oil Filled Heater On The Market Buying Guide

When going to buy an oil-filled heater, the following must be kept in mind:

  1. The kind of heater you require and how big your space is that needs healing. 
  2. The amount of energy and electricity it would need every time it is used. If it is economical or not.
  3. The amount of space you have at home to keep the machine. Be sure to check the dimensions of the machine before buying it.
  4. The convenience of the heater must be kept in mind; the ease with which you will be able to operate it.
  5. If you should require the heater to be moved from one room to the other, then the portability must also be noted.
  6. How often would the heater require servicing and if it is easy to maintain or not?



It is seen that although oil-filled heaters are efficient and user-friendly, many factors come into play when choosing the one that would suit a person and his household the most. These are cost-efficient and very economical. They are also safe and easy to operate. They can be used in the bedroom, the hall, and even in your garage!

They are convenient for getting your room warmed up but some of these take time to heat up because they are oil-filled ones. But these must be handled carefully like any other appliance. We hope that with these 10 products we were able to help you browse for the perfect oil-filled heater that will tend to all your needs and give you the perfect room heating experience.

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