Best Electric Heaters for Large Rooms to Buy

LifeSmart 6 Element


When the weather is cool, you want to turn on the heating, but in some cases your room is large and you worry about the costs. Heating a large room can indeed be expensive, especially if you use the wrong heater. Finding the best heater for a large room means finding the most efficient solution to give your home that cozy feel without breaking the bank.

Although many homes have central heating, extra heating can be useful if you have a house with large rooms or high ceilings, or if you want to heat a room or space with draughty windows where you often feel cold. Sometimes ordinary radiators don’t provide enough heat for a particular room, which means you need to get extra power to get that comfortable feeling.

We’ve spent days reviewing the best large room heaters on the market, based on both professional reviews and the opinions of regular users who have used these devices to heat their homes. Below you’ll find a comparison table of the nine best large room heaters you can choose from, along with a full review of each one. At the end, you’ll be able to read our buying guide, which outlines the most important specifications to consider before buying the heater you need. Now, let’s take a look at the reviews of our top nine picks.

LifeSmart 6 Element

We’ve chosen the LifeSmart 6 Element as the best all-purpose large room heater you can find on the market because it’s a solidly built space heater that delivers excellent results in large spaces, while being economical. This space heater has six heating elements that work together to provide 5,000 BTUs of heat. Not only is this enough to heat even the largest room, but it also guarantees very even heating.

Users have praised the cabinet-like appearance of the LifeSmart unit and particularly liked the fact that it uses infrared heat, as this does not dry out the air in the room as electric heaters often do. The digital controls are also very convenient, as they allow you to easily control the temperature of the room, while also showing you the exact current temperature.

The LifeSmart 6 Element has a remote control and a washable air filter for easy monitoring and maintenance. Many safety features are also built in, including an upper limit switch and the ability for the unit to stay cool to the touch while in operation. Wheels built into the bottom of the unit allow it to be moved easily over short distances. Finally, a 12-hour on/off timer makes the unit very versatile.

LifeSmart 6 Element
  • infrared
  • 16 x 13 x 16.5 inches
  • 0-12 hours
  • 1 year warranty
  • 3 heat settings, supplied with remote control


Mr. Heater MHVFB30NGT

Suitable for heating spaces up to 1000 square feet, the MHVFB30NGT from Mr. Heater is our choice of heater for very large spaces. Featuring a blue flame burner that provides even convection heat, this heater runs on natural gas and therefore requires no external power. This means it is an excellent solution for applications without electricity or in the event of a power failure. Users have raved about the ease with which the heater can be mounted on the wall using the supplied bracket. You can also use the heater on the floor, as it has feet that make this possible.

Unlike infrared heaters, this blue flame heater heats the air without emitting heat. This means that you can place it in a narrow area as it will not heat up nearby objects such as furniture or walls. The ignition is electronic and there is an automatic shut-off system in case of lack of oxygen for safety.

Users have often mentioned that the appliance can heat a large room without having to run the central electric furnace as much, and they have also mentioned that there is no gas smell from the appliance. The unit works great for places like basements or attics, and it’s easy to install without professional help.

Mr. Heater MHVFB30NGT
  • What could be better

  • natural gas

  • Maximum power in watts :
  • 23.6 x 11.3 x 27 inches
  • feet and wall mounting hardware included, automatic shut-off system in case of lack of oxygen


Duronic HV101 heater

The Duronic HV101 heater has received many positive reviews from users because it can heat a large area quickly without emitting combustion oxygen. With two heat settings to suit any space, this heater is particularly safe as it has an automatic shut-off function if the heater is knocked over. In addition, users have praised this heater for its design, as it fits in with almost any decor and adds a touch of class to any space.

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One of the biggest advantages of this heater is its portability, as it is very light and comes with handles and wheels for easy transport, meaning you can move it from room to room without any problems. In addition, this heater is very quiet and energy efficient. The Duronic HV101 uses advanced heating technology that combines convection and reflective heating, so it quickly heats the room air while circulating it around the room for constant comfort.

Users have raved about how the heater has been able to bring uninsulated spaces such as attached garages to a comfortable temperature very quickly. They also appreciate that the heat does not dry out and that the heater emanates from both side panels and the top for consistent results. Finally, this heater has the ability to keep a room at a constant temperature without increasing the electricity bill and has two heat settings, so you can easily program it to suit your preferences.

Duronic HV101 heater
  • convection
  • 2500 watts
  • 21.6 x 6.3 x 25.5 inches
  • 5 years


DREXON 512850

Our economical choice is an oil heater with an adjustable thermostat for increased energy savings. What users have liked most about this heater is that it is quiet and heats up very quickly. This energy-saving heater only consumes 850 W to heat a room, and many users have reported that the heat stays on the surface of the heater for a long time.

This compact oil heater heats the oil inside to increase the temperature of the room. Although its ability to handle very large spaces is reduced, this heater is durable and you do not need to replace the oil or even perform any other type of maintenance. The design of the overheat shut-off means that the heater will turn itself off if you forget to do so, so there is no risk to your family’s safety.

Many oil heaters on the market make noise when they are in use, but this is not the case with this DREXON 512850 heater, which heats the room very quietly. This is not the case with this DREXON 512850 radiator, which heats the room very quietly. You won’t be bothered by the noise of the oil heating inside, because this heater has been specially designed with a locking function that makes it very quiet. This compact heater is suitable for large bedrooms and other spaces such as a motor home, but may struggle to heat very large rooms.

DREXON 512850
  • oil-filled heater

  • 850 watts
  • 15.1 x 5.4 x 12.4 inches


overheat shutdown

The ceramic elements of the Lasko Tower Heater 5165 make it perfect for those who want consistent and even heat. This slim tower heater is easy to store and weighs only 7.28 pounds, which means it is easy to move from room to room. The Lasko Tower Heater 5165 comes with a remote control that allows you to remotely control the various settings, including oscillation, temperature and timer.

Although this heater should be used in conjunction with a primary heating source, it does a very good job of heating large spaces, according to many users’ reviews. Users have often mentioned the good results they have had in heating living rooms, motor homes, offices and bedrooms. Of course, as with any other device of this type, many have mentioned that the way a space is insulated can affect the coverage area and performance of the device.

The Lasko Tower Heater 5165 is a quiet unit and many users have mentioned that the only noise you can hear when it is running is similar to a small fan. In addition, the generalized oscillation of the heater distributes the heat evenly throughout the room.

This heater has a cool-touch casing that keeps everyone safe, which is an important feature to consider in a home with children or pets.


Infrared heater Dr

With a high power output, this infrared heater can heat a space of up to 1,000 square feet, making it an excellent choice for very large rooms. The unit contains a high-quality quartz infrared tube that can produce more heat than models that don’t, which means you get plenty of warmth and comfort, no matter the size of the room.

One of the most popular features for users of this unit is the built-in humidifier that allows the unit to produce a cool mist in the air to prevent the air in the room from becoming too dry. The humidifier is very easy to fill as it has a removable bottle that you can quickly refill if necessary. In addition, the Dr Infrared Heater has an oscillating fan that distributes the heat evenly. This means that the heat is dispersed quickly throughout the room, so that the entire space is heated in less time.

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The Dr Infrared Heater is equipped with a remote control that allows you to control the temperature as well as the oscillating fan and humidifier from the comfort of your sofa or armchair. The castors make the unit very easy to move from one place to another, and the quiet operation means you can use the unit anywhere, including bedrooms. The unit has a silent fan built into the casing, which allows the heater to be equally quiet.

Infrared heater Dr
  • infrared
  • 1500 watts
  • 13 x 11 x 16 inches
  • 0-12 hours
  • 3 years
  • swivel wheels for easy movement, lifetime filter, tilt and overheat protection


Duraflame oscillating tower heater 5HM8000-O142

The Duraflame 5HM8000-O142 Oscillating Tower Heater is a tower heater with an oak casing that fits elegantly into any decor. It offers 5,200 BTUs while being completely safe for pets and children, as it always stays cool to the touch. The oscillating feature of this heater means that the stationary unit blows warm air in one or more directions, depending on your preference.

The infrared heat generated by this heater helps to maintain the humidity in the air, so you won’t experience any of the symptoms generated by models that dry out the air in a room. This heater is just as stylish as a mantelpiece, but offers the convenience of being able to carry it easily from room to room. Equipped with an adjustable thermostat, the unit maintains a constant temperature in the room, so you don’t have to worry about constantly changing the settings. In addition, the heating tower is equipped with zone heating, which allows you to cut off the heated air in different areas or directions. With this feature, unoccupied spaces are not heated, which saves you money.

The safety features of this heater are comprehensive, and users have appreciated the built-in tilt safety feature that turns off the heater if it is tipped over. In addition, the overheat protection feature turns off the heater before it reaches a dangerous temperature.

Duraflame oscillating tower heater 5HM8000-O142
  • infrared
  • 1500 watts
  • 8 x 10.9 x 22.8 inches
  • yes (time range not specified)
  • 1 year
  • automatic shutdown in case of tipping and overheating


Lasko 760000

What makes the Lasko 760000 different from other heaters is the presence of a fresh air ioniser, a feature that most heaters lack. This ioniser removes airborne particles that can be harmful to the health of users, especially those suffering from asthma or allergies. The unit passes the air through the ioniser and only then disperses it throughout the room, either horizontally or vertically, depending on your preference.

The multifunctional remote control that comes with the Lasko 760000 makes it easy to control all settings without having to get up every time. The unit has two silent settings, which are very useful if you want to leave the unit running at night without hearing it.

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Users raved about the zero tolerance design of this unit, which allows it to be placed against a wall and reduces the possibility of the heater being accidentally knocked over. This is a particularly important feature in a home with children or pets.

Although the Lasko 760000 is a very slim heater that looks compact, some users have found it difficult to store during the summer months, as the heater takes up more space than it first appears. Nevertheless, this ceramic heater heats a room almost immediately and is very versatile with the ability to change the heat flow so that it comes out directly in front or up the middle of the room.

Lasko 760000
  • ceramic
  • 1500 watts
  • 16.8 x 6.5 x 24.9 inches
  • 7-hour auto-off
  • 3 years
  • fresh air ionizer function, remote control included, overheat protection


Infrared auxiliary heater Homegear

Offering great heating power in a classic, inexpensive package, the Homegear infrared space heater uses quartz and mica infrared tubes to quickly and efficiently generate heat in medium and large rooms. Many users have praised the convenience of the LED display, which makes it easy to control the temperature and use all of the unit’s functions.

The unit also comes with a remote control that allows all settings to be controlled remotely. Users have appreciated the fact that the Homegear infrared space heater is very quiet and you can hardly hear it working. In addition, the heater is energy efficient as it has a maximum output of 1,500 watts, so you can enjoy a warm home without worrying about a high electricity bill.

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Other users have mentioned that the design of the heater allows it to fit in almost any room, and it almost looks like an electric fireplace TV stand. You can choose from three colours to match your interior decor, and its compact size makes it easy to place in any space. This compact unit is a perfect solution for heating a single room when you don’t want to run the central heating system for the whole house. Users have commented that the unit heats the room quickly and maintains the temperature well for a unit of this size.

Infrared auxiliary heater Homegear
  • infrared
  • 1500 watts
  • 10.7 x 12.5 x 16 inches
  • 0-12 hours
  • not specified
  • 3 heat settings, overheat protection, remote control included


1500 watts

10.7 x 12.5 x 16 inches

0-12 hours

not specified

3 heat settings, overheat protection, remote control included

Benefits of a high quality heater for large rooms

You may struggle to heat a large room because normal heaters struggle to do their job when dealing with a large space. With a high quality large room heater, you get efficient heating and portability in the same unit, so you can easily heat an entire space or just a targeted corner that you may struggle to bring up to a comfortable temperature. By choosing a high quality heater, you can be sure that your room will be safely heated and that you won’t add too much to your electricity bill.

Features to consider when choosing a heater for a large room

As with many other appliances, it is important to consider a number of features before deciding which large room heater would be best for your home. Below we have summarised the most important things to consider before you spend your money.

Type of heater

The main types of heaters for large rooms are as follows:

Convection heaters – these models have fans that blow air over several heating elements and circulate it around your room. Although they can be noisy, they are affordable and easy to use.

Radiant heaters – these heaters transfer heat to the object or person directly in their path. Although they do not heat the air in the room, they are ideal for those who want to keep a particular corner of the room warm and comfortable. Also, because they do not blow air, these heaters are a good solution for allergy sufferers.

Micathermal heaters – combining radiant and convection heating systems, these heaters are a good solution for people with asthma or other allergies. They do not have a fan and are generally quieter than other models.

Ceramic radiators – based on the principle of convection, ceramic radiators heat the air and then disperse it around the room. They often tend to cover a larger area than radiant models and do not require any type of fuel to operate.

Oil-fired radiators – although the oil takes some time to heat up, these radiators provide heat to the whole room.

Power and heat settings

The wattage of a portable heater is its maximum electrical output and, as a general rule, a heater with a higher wattage is capable of generating more energy. Keep in mind, however, that the relationship between room heating efficiency and wattage is not always obvious. This means that you should not compare different models solely on the basis of wattage. Different heaters have a different number of settings.

An eco mode (at around 500 watts) is always welcome when it comes to saving money on your electricity bills.

Heating zone

Not all heaters can heat a room of the same size, so it’s essential to make sure the model you choose suits your needs. Some models may boast the ability to heat large areas, but that doesn’t mean you should use them as the only heaters in your home. Also, keep in mind that infrared models can be used for specific areas of a room and may not necessarily heat the entire space. These portable heaters should always be considered as back-up heaters to your central heating system or furnace.


A timer allows you to control how long the heater stays on. This is useful when you don’t want to monitor the heater, but need to turn it off after a certain time – when you leave the house for work, for example, or if you want your room to be warm when you return.


A heater with an efficient thermostat can save you money, because you can keep the room at the precise temperature you have chosen. The thermostat turns the heater on and off as needed to maintain a constant temperature.

Remote control

By choosing a heater with a remote control, you can control the temperature and switch the heater off from the comfort of your sofa. Not all models have this feature, but our top choice, the LifeSmart 6 Element, does.

Safety – overheat and tip-over protection

Look for a model with tip-over protection, such as the Bionaire Silent Micathermic console heater, which automatically shuts off when it is tipped over. Another useful safety feature is the overheating protection, which means that the heater automatically switches off when it reaches a certain temperature to prevent overheating.


The dimensions of the portable heater are important as you need to ensure that the heater you buy fits well in the space you are designing. Most models fit well in a corner and have wheels so you can easily position them exactly where you want them.


The weight of the heater is an important feature to consider as these are portable appliances. As such, you may have to move it around your room or even around the house a lot, so it should be reasonably heavy. If the model you choose is equipped with wheels, its weight is not a problem.


Most large room heaters on the market come with a one-year warranty, which means you are covered for parts and labour during this period. Some brands offer users the option to purchase an additional warranty.

Our verdict

Finding a heater that can warm a large room can be a difficult task, but it’s essential to understand exactly what you need in terms of size, shape, style and power. Our best all-rounder, the LifeSmart 6 Element, is a good choice for most users as it combines ease of use and excellent heating results with the energy efficiency needed to avoid high energy bills. If you’re more interested in an infrared model, check out the Mr. Heater, which does an excellent job of heating very large spaces like basements. Finally, if you want your new heater to be very efficient, but quiet, go for the Bionaire Silent Micathermic Console Heater. Whichever type of heater you need, remember to make sure that its power and wattage are appropriate for the space you want to keep at a comfortable temperature.

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