Pros And Cons of Oil-Filled Radiators: Which One to Buy?

Oil-filled radiators are efficient and effective at heating small to medium sized rooms, but they can be expensive to run and are not as quick to heat up compared to other types of heaters. Oil-filled radiators are a popular choice for many households due to their efficient and effective heating capabilities.

They work by heating the oil inside the radiator which in turn heats up the surrounding area. However, they can be expensive to run due to the cost of electricity needed to heat the oil. Additionally, they are not as quick to heat up compared to other types of heaters such as fan-forced heaters or ceramic heaters.

In this article, we will explore the pros and cons of oil-filled radiators to help you decide whether they are the right choice for your heating needs.

Pros And Cons of Oil-Filled Radiators: Which One to Buy?


Pros Of Oil-Filled Radiators

Highly Efficient Heating

Oil-filled radiators are famous for their efficiency, thanks to the technology they use. This type of radiator heats up faster than traditional radiators, providing an optimal and even distribution of heat in the room. Some of the key benefits of highly efficient heating include:

  • Quick heat-up time
  • Even heat distribution across the room
  • Adjustable thermostat helps to maintain a constant temperature
  • Provides excellent insulation in the room
  • Warms up the room even after it’s turned off

Safe For Families With Kids And Pets

Safety is one of the primary concerns for families with kids or pets. Oil-filled radiators have enclosed heating elements, making them much safer than space heaters with exposed heating coils. These heaters are designed to be stable, with safety features such as:

  • Cool-to-the-touch exterior that prevents accidental burns
  • Automatic shut off when the heater is tipped over
  • No exposed heating elements, making them safer for pets and kids
  • Safety sensors that prevent overheating

Cost-Effective Heating

Most people consider the cost-effectiveness of a heating system before purchasing it. Oil-filled radiators are relatively cheaper to operate than other types of heating systems, such as electric and gas heaters. Some of the benefits of cost-effective heating include:

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  • Low energy consumption, which means lower utility costs
  • It is cost-effective to maintain, as no filter or fuel needs to be replaced
  • It can last for several years, providing long-term cost savings
  • Easy to use and requires no installation, which saves installation costs

Oil-filled radiators come with various pros, from highly efficient heating and safe for families with kids and pets to cost-effective heating. So if you’re looking for an affordable and efficient way to heat up your space, an oil-filled radiator is a great choice!

Cons Of Oil-Filled Radiators

Oil-filled radiators are a popular choice for providing warmth, whether in commercial or residential spaces. However, as with all things, there are downsides to consider. In this section, we will discuss the drawbacks of oil-filled radiators.

Slow Heating Up Time

One issue with oil-filled radiators is that they have a slow heating up time. The oil needs time to become hot, which causes the device to take longer to warm up than other types of heaters. This delayed response could be problematic if you need rapid heating in an emergency.

Additionally, if you are using an oil-filled radiator in a large space, the slow heating up time could mean that it will not be powerful enough to sufficiently warm up the area.

Large And Heavy Device

Oil-filled radiators can also be large and heavy devices. They tend to be bulkier and have more components than other types of heaters, which can make them difficult to move around. This bulky size can also make them undesirable for people with small living spaces or those who prioritize minimalistic designs in their space.

Potential For Leaks And Spills

Finally, oil-filled radiators have the potential for leaks and spills. If the device is damaged, oil can leak and spill onto the surrounding area, causing a mess that is challenging to clean up. It is crucial to be careful when handling and moving these devices to avoid any spills.

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While oil-filled radiators have their advantages, they are not immune to drawbacks. Slow heating up times, bulky, heavy components and the potential for leaks and spills should be carefully considered before purchasing an oil-filled radiator.

Which Oil-Filled Radiator To Buy?

Oil-filled radiators are a popular choice for home heating, providing an efficient way to heat a small to medium-sized room. When it comes to purchasing an oil-filled radiator, there are several factors to consider. In this section, we will explore the key factors to keep in mind before making a purchase and compare the best oil-filled radiators available in the market.

Factors To Consider When Buying An Oil-Filled Radiator

When considering purchasing an oil-filled radiator, there are a few things you should keep in mind:

  • Room size: The size of the room you intend to heat will determine the size of the radiator you’ll need. A small room will require a small radiator; a bigger room will require a larger one.
  • Power output: The higher the watts of the radiator, the more heat it will produce. A radiator with a higher wattage will take less time to heat up your room.
  • Energy efficiency: Look for a radiator with a high energy efficiency rating, this means it will use less energy to heat your room and save you money on your energy bills.
  • Noise level: If the radiator makes a lot of noise, it can be a distraction when you’re trying to relax. Choose a model with a low decibel rating to minimize noise.
  • Safety features: Modern oil-filled radiators come with various safety features, such as overheat protection and tip-over protection. Before making a purchase, ensure the model you’re considering has the safety features you’re comfortable with.

Comparison Of Best Oil-Filled Radiators Available In The Market

Below are some of the best oil-filled radiators available in the market:

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  • De’longhi dragon 4: This radiator is a popular choice due to its high energy efficiency rating and user-friendly features. It has a powerful heat output, so it’s ideal for larger rooms.
  • Vonhaus oil filled radiator: This radiator offers a range of power output options, so you can choose a model that suits your room size. It is highly energy-efficient and has a compact design that makes it easy to store.
  • Dimplex oil-filled radiator: This radiator has a built-in timer and thermostat, making it easy to control the temperature in your room. It is energy-efficient and has a safety cut-out switch that will turn it off if it overheats.
  • Beldray eh3001stk compact portable oil filled radiator: This radiator is ideal for smaller rooms and spaces. It is compact and lightweight, making it easy to move around. It has a thermostat and overheating protection for added safety.

When choosing an oil-filled radiator, consider features such as energy efficiency, power output, room size, and safety features. Take the time to research and compare models to find the one that best suits your needs.


After an in-depth analysis of the pros and cons of oil-filled radiators, we can conclude that they are an excellent choice for heating small to medium-sized rooms. They are cost-effective, energy-efficient and low-maintenance, guaranteeing you significant savings on energy bills over time.

However, there are some downsides to using oil-filled radiators, such as their sluggish heating process and potential oil leaks. Despite these shortcomings, oil-filled radiators remain an excellent alternative to other heating options such as gas and fan heaters. As a result, it’s crucial to weigh the advantages and disadvantages before deciding whether or not to invest in one.

Overall, the benefits of using oil-filled radiators far outweigh the limitations and make them a perfect choice for anyone looking to heat their small or medium-sized room quietly and efficiently without breaking the bank.


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.