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Best Oil Heater

Best Oil Heater

Best Oil Heater

Oil heaters offer us an easy, cost-effective way to heat our homes without having to wait for the whole house to heat up.

A heater that packs enough power will effortlessly keep you and your family warm in the largest rooms of your home.

However, finding the best oil heater can be difficult. Not only do we need to find heaters that are effective when it comes to heating the house, but we also need one that doesn’t take up too much space, is safe to use, and doesn’t make too much noise.

One that fits in with the decor is also great. As if that didn’t make things hard enough, the overwhelming options available on the market make things even tougher.

That’s where we come in. To make your life much easier, we’ve done the research and found the best oil heaters on the market.

We’ve then put the 5 best options and what they offer on one list. You’ll find that list in this article.

If you’re on the hunt for a new and improved oil heater, stay tuned!

Pelonis Oil Filled Radiator Heater

We kick this list off with the oil heater considered by many to be the best oil heater on the market. From what we’ve seen, we tend to agree.

The Pelonis oil-filled radiator heater is easily one of the best all-around heaters available, making it the perfect option for anyone looking for a heater that ticks every box.

We’ll start off with the design. This heater looks super stylish and sleek, featuring a digital LCD panel down one side.

This helps the heater fit in nicely in any home. To make the heater easier to move, Pelonis has fitted it with 4-swivel caster wheels.

In terms of usability, this heater has plenty of options to choose from, all easily accessed from the digital panel.

To ensure you can easily find the right temperature, Pelonis has given us 5 temperature settings to choose from and 3 different power modes.

Temperature settings range from 65 °F to 85 °F. In regards to power settings, ‘eco’ mode is a great option that will reduce energy costs.

Operating almost silently, the heater also comes with a remote, power safety indicator lights, 360° rotation, and tip-over safety measures.


  • Brilliant Design - The Pelonis heater looks stylish and sleek.
  • Easy-To-Use - Digital controls and a remote make it a lot easier to use the heater.
  • Energy-Efficient - Eco-mode will help you cut down on energy costs.


  • Poor Remote Range - The remote will only work in close proximity and when pointed at the heater.

KopBeau 1500W Oil Filled Radiator Heater

The KopBeau oil heater is designed by Aireplus which specializes in producing incredibly efficient oil-filled heaters using a solid patented design.

Providing ultimate warmth in a matter of minutes, Aireplus has done a spectacular job with this heater.

Perfect for those of you looking for one of the most powerful heaters on the market, the KopBeau heater has three heating options. 
These include 600w, 900w, and of course 1500w.

Thanks to these power settings, the heater has a good temperature range of 40 to 95 °F. This range is more than enough to heat a room from 400 to 650 square feet in size.
We love how Aireplus has given us even more control over the temperature by including a temperature adjustment feature.

This feature lets us change the temperature by 1 °F, making it much easier for us to find the perfect temperature.

You can easily change the temperature with the easy-to-use digital thermostat.

Aside from a stylish design and convenient caster wheels, other neat features this heater comes with include silent operation, a child lock function, eco-mode settings, a soft-touch control panel, and tip-over safety features.


  • Powerful - This heater has impressive heating capabilities.
  • Good Temperature Range - From 40 to 95 °F, you can change the temperature by one degree.
  • Neat Safety Features - The KopBeau heater comes fitted with a variety of useful safety features.


  • Pricier - This heater does cost more than the Pelonis.

Also available at:


DeLonghi TRD40615T Full Room Heater

The next heater on our list is from DeLonghi. It is called the “Full Room” oil heater for a reason. Offering high-quality performance in a larger model, this oil heater is guaranteed to keep you and your family warm all winter.

The DeLonghi is the largest heater on our list, so you do have to bear that in mind. However, at 27 inches tall and with a weight of 24 lbs, most households will find it absolutely fine.

Besides, the extra weight is a result of the heater's extremely durable, solid steel design. It is this solid design that offers powerful, consistent performance.

The bulkier design also makes the heater a lot safer for households that have children and pets. Unlike other heaters, the fins on the DeLonghi don’t get hot. Instead, they stay nice and cool.

When it comes to using the heater, DeLonghi has equipped it with manual control dials.

While this may not offer as much control, it does make the heater very easy to use. The heater also has three heat settings to choose from and a thermostat.

When we reviewed the heater, we were most impressed with the patented thermal chimneys that help to maximize heat flow.


  • Unique Steel Design - The DeLonghi’s steel design makes it much safer to use.
  • Patented Thermal Chimneys - These chimneys help maximize heat flow.
  • Easy-To-Use - The manual dials are very easy to move.


  • Bulky - This model of oil heater is larger than others.

Also available at:


Costway Oil Filled Radiator Heater

The next oil heater on our list is a great option if you’re looking for one of the most affordable heaters on the market.

Despite being one of the cheaper models on the market, the Costway oil heater offers good performance in a well-built unit.

Heating medium to large rooms quickly and effectively, this heater has the ability to keep you warm for longer periods of time, continuously running at a high level.

You have 3 adjustable modes to choose from and an energy-saving mode that will keep you warm but also reduce costs.

In terms of heat settings, this heater is simpler to use. Instead of precise temperatures, we simply have low, medium, and high-temperature settings.

The manual thermostat on the front of the heater is used to easily change each setting.

Another heater that operates with no noise, we were most pleased with this heater's portability and safety features.

The Costway comes with tip-over and overheating protection to guarantee safety for you and your family.

Thanks to the heater's compact design, hiding the heater away or moving it around the home has never been easier. The 4 caster wheels are also a huge help.


  • Affordable - This heater is the most affordable on our list.
  • Adjustable Thermostat - Easily change settings with the manual thermostat.
  • Powerful - Despite the Costway's small design, it still packs a punch.


  • 90-Day Warranty - Annoyingly, the heater only has a 90-day warranty.

Also available at:


Honeywell EnergySmart Oil Heater

The final heater on this list comes from the hugely reputable brand Honeywell.

Honeywell is known for developing top-of-the-range oil heaters that don’t break the bank. With the EnergySmart heater, they show exactly what they can do.

Another great all-rounder, the EnergySmart heater is reliable, effective, and excellent when it comes to saving you money on your energy bills.

Thanks to the heaters ‘eco’ mode, we can run the heater for hours, but still, save money.

In fact, the eco-mode on this oil heater is up there with the very best. To save energy, the heater optimizes energy consumption, ensuring the room is heated quickly.

To save even more money, you can turn the temperature down on the thermostat.

In terms of heat settings, you have 3 at your disposal. This will help you change the settings to find the optimal heat for your room.

We found changing the settings super easy, too. Thanks to the heater's digital controls, we could change settings quickly and set a timer for how long we want the heater to operate.

You can rely on the heater to stay nice and quiet as it does all this.

Other much-appreciated features include a pull handle, a 360° tip-over switch, thermally insulated wiring, and a three-year warranty.


  • Great Features - The Honeywell heat comes packed with features.
  • Easy-To-Use - This heater couldn’t be any easier to use.
  • Silent - You don’t need to worry about noise with the Honeywell heater.


  • Produces Too Much Heat - This heater can actually produce more heat than the thermostat states.

Buyer’s Guide

Even when you have a solid list of great options in front of you, choosing the best oil heater can be quite difficult.

There are a number of key factors that will impact what you need from a heater. Something that might not be essential for someone else, might be something crucial to you.

Therefore, you need to take a number of things into account before making your decision.

To help you out, we have detailed some of the most important factors to consider below.

Temperature Range

Arguably the most important thing to consider when looking for an oil heater is the temperature range it comes with.

By looking at the temperature range of each oil heater you look at, you can get a good understanding of how the heater performs.

The reason you need to check this is simple. The higher the temperature range a heater has, the better it will be at heating the room.

Most models have a temperature range from 50 °F to 80 °F, but it is also possible to find heaters with a range up to 90 °F.

Just like you would expect, a heater with a higher range is better at heating the room.

You need to find the heater that suits your needs best.

It is important to find a heater that will cover the area you need heating.

For example, it makes little sense to buy a heater that only covers 250 square feet if the room you plan on heating has an area of 650 square feet.

On the other hand, it doesn’t make sense to buy a heater capable of heating a 650 square foot area if you only want to keep your bedroom warm at night.

Buying a heater that doesn’t have suitable coverage capabilities can be a big problem. In the long run, you can expect to experience a number of faults and issues with the performance of the heater.

With this in mind, you should always check the heater's coverage before making a purchase.

Ease Of Use

You also need to take into consideration how easy the oil heater is to use.

Generally speaking, most oil heaters have digital or manual controls that make it easier to change settings and find the temperature that suits your needs. However, some do it better than others.

While manual thermostats and setting controls are relatively easy to use, a heater with LCD digital controls offers more flexibility and precision.

Thanks to LCD controls, some heaters allow us to change the temperature to within one degree by simply pressing a button.

This can’t be done with a manual heater. Some digital heaters also come with a remote, so you can change settings without moving.

Having said this, that doesn’t mean manual controls are no good. Manual controls are very simple to use. All you have to do is turn the dial to the setting you want.

There is no right or wrong answer when it comes to choosing, you simply need to pick the style of heater that suits you best, so get thinking!

Safety Features

Safety features are absolutely essential when looking for the best oil heater. Most heaters come with a handful of features that include tip-over switch off and overheating protection.

Usually, these features are enough, but you might need more depending on your circumstances.

Individuals who live on their own, or with a partner, might be fine with the basic safety features, but those who live with children or pets might want more.

Some models of oil heaters come with additional safety features that help prevent your child or pets from getting burnt.

Heaters with these features could be well worth looking at if you want to protect your family more and make sure no accidents happen.

Eco Mode

This one is pretty straightforward, you should always look for an oil heater with an eco-mode.

While it may not be essential to the overall running of the heater, eco-mode will ensure you save money on your energy bills.

This mode helps to optimize the heater in order to effectively heat the room without using too much energy.

By choosing a heater with this mode, you can save money every time you use the heater, even if you keep the heater on for longer periods of time.


It is very easy to spend too much money on an oil heater when it isn’t actually necessary.

By simply buying a heater that has a larger temperature range than you need or comes with unnecessary additional features, you could spend an extra $30 or $40 that you didn’t need to.

To avoid spending more money than necessary, you should try your best to work out exactly what you need and why.

By working out the coverage you need from the heater, the heat settings you need, and the temperature range you require, you’ll be able to pick the heater that best suits your requirements and save money in the process.

Frequently Asked Questions

Is My Oil Heater Safe To Leave On Overnight?

Yes, your oil-filled heater is perfectly safe to leave operating overnight. In fact, the ability to leave your oil heater running overnight is one of the heater's biggest selling points.

Though heaters get extremely hot on the inside, they are designed with specific features that ensure the exterior remains cool and safe to touch.

Oil heaters also come equipped with a shut-off mode that will knock the heater off if it happens to get too hot.

Your heater will have a tip-over safety feature, too, in case the unit falls over.

Are Oil Heaters Cheaper To Run?

Generally, oil-filled heaters are cheaper to run than other types of heaters and your home's central heating system.

This is down to their better heat retention. Although they take longer to heat up, they can automatically change to lower power when the temperature is right. This will let you use less energy whilst still keeping nice and warm.

Can An Oil Heater Be Left On All The Time?

While it is possible to leave your oil heater on all day, every day, it isn’t something you’ll want to do.

In the short term, leaving a heater on all day won’t cause too many problems, so you can do it every so often.

However, after repeatedly leaving your oil heater on for prolonged periods of time, you can expect the lifespan of the heater to be reduced. The reason for this is simply down to how hard the heater has to work to keep going all day.

Final Thoughts

Oil heaters aren’t just beneficial when it comes to keeping your house warm in the winter.

They also help to reduce energy costs by only heating one or two rooms instead of the whole house.

An effective oil heater will quickly heat the room up, offer a wide range of temperature settings, offer excellent usability, and of course, come equipped with an array of safety features.

While it can be hard to find the best oil heater on the market because we have so many to choose from, we have shown you 5 of the best options available right now.

Whether you’re looking for a small heater to keep a bedroom warm at night or a larger, more powerful heater that will heat a much bigger room, we have something for everyone on our list.

Now you have our list and buyer’s guide at your fingertips, take some time to narrow down your options until you find the most suitable heater.

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