12 Best Space Heaters for Large Rooms for 2021 (Buying Guide and Reviews)

Best Space Heaters for Large Rooms

If you are looking for the best space heaters for large rooms, then here you can read about the latest products and besides that you will learn also what are the different types of space heaters, what are the positive and negative things for different heaters, the different ways of powering the space heaters and also is included the buying guide with safety tips.

Here Are The Best Space Heaters for Large Rooms

1. Mr. Heater 30,000 BTU Natural Gas Heater MHVFB30NGT


Company: Mr. Heater

Price: $$$$

Our Rating: 9.3/10

OverviewIf you live in an area where there is often a power outage and you need a powerful space heater to heat a large room, I recommend taking a look at Mr. Heater 30,000 BTU Natural Gas Heater MHVFB30NGT.

This heater, unlike other models on this list that use electricity or kerosene as fuel, uses natural gas. Because Mr. Heater MHVFB30NGT runs on natural gas; it does not need to be plugged into an electrical outlet. This heater is capable of delivering 30,000 BTUs of heat which is more than enough to heat up to 750 square feet. The heater can be placed on the floor or mounted on a wall.

The Mr. Heater MHVFB30NGT uses a blue flame for air heating. It also has built-in ODS technology that, if there is a critical reduction of oxygen in your room, the heater will automatically shut off which means it ensures safety when you use it.

It has a built-in thermostat with markings of 1 to 5 where you can set your desired temperature between 60 F (about 15.5 C) and 118.4 F (48 C).

The nice thing about this heater is that it has an electronic igniter to start the pilot on. Also, the pilot is standing and if you want to turn it off you will have to manually do this by switching the knob to 0.

Also, this is a standing pilot and if you want to turn it off you will have to do this manually by switching the dial knob to 0. But you should know that this space heater cannot be turned into propane and cannot be used at altitudes above 4500 feet.

What We Like


  • 30, 000 BTU heating power
  • Blue flame
  • A choice to mounted on the wall or to be placed on the floor
  • It is CSA certifie

What We Don't Like


  • It doesn’t come with a fan
  • The heater cannot be used in a bathroom and bedroom due to carbon monoxide release.
  • You cannot convert it to propane

2. Dr. Infrared Space Heater Review – Best Electric Heater

Company: DR. Infrared

Price: $$$$

Our Rating: 9.2/10


Overview: Dr. Heater Infrared space heater is one of those space heaters that can quickly heat up any type of room in your home with less usage of electricity. This is made possible by the built-in dual heating system technology, which consists of infrared and convection type of heating. It features a 7-inch air blower that is able to deliver the warm air through the room with less noise.

Especially, Dr. Heater Infrared is ideal for those who have pets or children, because of its ability to don’t get too hot from the outside after working many hours. You no longer have to worry about your children or pets being burned if they play around near the heater. Besides its great heating ability, this space heater also can humidify the air in the room thanks to the built-in humidifier.

Also, I want to mention this space heater is certified as a high safety product by Underwriter Labs (UL) in Canada and the US. The heater features with tip-over protection as well as overheating protection.

It is also highly energy-efficient as advertised by the manufacturer the heater can deliver 60% more heat than the other 1500 watt space heaters. It offers three heat settings: High with the usage of 1500 watts, Low of 1000 watts and auto-saving mode. With the auto-saving mode, you can set the heater to maintain any temperature you choose from 50F (10 Celsius) to 86F (30 Celsius).

The heater has with wheels which gives great portability to the heater. Moreover, it comes with an IR remote control which allows you to operate the heater from a distance.

What We Like


  • It comes with an IR remote control for better controlling the heater
  • Three heating modes including High, Low and Auto-saving mode
  • Great Portability thanks to its wheels
  • It comes with an air humidifier
  • A few safety features including overheat protection and tip-over protection
  • Small dimensions: 13 inches depth, 11 inches width and 16 inches height
  • Its dual heating system technology of infrared and convection
  • The 7-inch high-efficient air blower

What We Don't Like


  • It cannot be mounted on a wall
  • The price is a bit more than average

Read our full review: Dr. Infrared Portable Space Heater.

3. e-Flame USA Regal Free Standing Electric Fireplace EF-FS2213B


Company: e-Flame

Price: $$$$$

Our Rating: 9.4/10


Overview: Here we have a stunning freestanding fireplace model made by the renowned American brand e-Flame USA and that is the e-Flame USA Regal Free Standing Electric Fireplace. It has a really beautiful and compact design so wherever you place it will attract your attention with its look.

Its height is 25 inches; it is 22.5 inches wide and 12.5 inches in length. This 1500 watt heater will be the perfect choice if you need to warm a large room with a high ceiling. You will get the best heating performance in rooms up to 400 square feet.

Heated air is effectively and evenly delivered to your room thanks to a built-in fan that is very quiet at work. The heater also has fan settings that allow you to select the required fan mode.

In addition to the stunning design, this electric fireplace incorporates realistic fires and logs that enhance the visual ambiance of your room. Even more interesting about this fireplace is that you can use the light effects of fire without turning on the heating. All of this will make you feel like you’re sitting in front of a real fireplace.

For added security, the device has a safety mesh that helps no one gets burn when the electric fireplace is in use, especially when children and pets play around. Also of great importance is that the surface of the device always remains cold to the touch no matter how long the fireplace operates. The device will automatically shut off if it is moved or accidentally pushed to the floor.

Because the warm air comes from the bottom of this electric fireplace, for safety reasons it is advisable not to place it on the carpet.

What We Like


  • This is a quiet electric fireplace
  • The ambiance
  • The heated air comes out from the bottom of the heater
  • Thermostat settings
  • Visual effect settings
  • 6 feet power cord

What We Don't Like


  • The price
  • It has plastic legs

4. LifeSmart 6 Element Infrared Heater for Large Room

Company: LifeSmart Price: $$$$ Our Rating: 9/10   Overview: By using the LifeSmart 6 Element infrared space heater you will be surprised how quickly it can warm an entire room. No matter if you are using it for a medium or large room, the heater will always without problem warm the room you are in by using advanced infrared technology, making you feel comfortable and warm during the cold days. This simple and stylish infrared heater comes in a black or gray finish and it will fit nicely into the interior of your home. Firstly to mention, it comes with a remote control that will allow you conveniently from anywhere to change the settings of this space heater or you can control the heater from its control panel that is located in front of this unit. In order easily to control the temperature in your room you are offered 3 heating modes including the ECO mode, 12-hour turn on/off feature and a digital thermostat. Besides, the ability to produce a large amount of heat in a very short time, you will be also surprised that this model is characterized by its very quiet operation which is a perfect solution for heating your living room and bedroom. For those who don’t want to be disturbed at night by having night lights around, should know that this heater as an infrared model produces some light when it operates. So, if you are one of those, then you should look for an oil-filled convective heater. One more thing I need to mention, the LifeSmart 6 Element heater comes with a washable filter.

What We Like


  • The heater keeps moist in the air
  • Ability quickly to heat large spaces
  • Remote control along with LED screen
  • While the heater operates it remains cool to the touch
  • It is an energy-efficient model

What We Don't Like


  • It doesn’t come with wheels

5. Lifesmart Large Room Infrared Quartz Fireplace


Company: LifeSmart

Price: $$$

Our Rating: 9/10


Overview: The Lifesmart Large Room Infrared Quartz Fireplace is designed to satisfy people who need a great quality heating and reliable device that has the capability to heat large areas of up to 1000 square feet and at the same time to offer realistic flame effects.

This electric fireplace belongs to the group of the best infrared space heaters for large rooms. It is designed especially for zone heating in a house. If you only need to heat specific areas of your home instead of the whole house, this heater can provide that. The device has a great portability thanks to its caster wheels, so you can easily move it wherever you need it.

The fireplace gives you the ability to adjust the brightness and the level of the intensity of the flames. For this purpose, you are offered 3 different settings so you can set the flames to change the ambiance in your room depending on your mood.

With the fireplace comes a remote control that is expected for a high-quality device like this. With the remote control, you can control the 12-hour timer to set the heater to work for a given period of time and after that time the heater will automatically turn off, which is perfect for your bedroom. Additionally, you can set the heater to maintain your desired temperature. Moreover, you do not have to worry about the air in your room becoming dry due to the use of the infrared fireplace, as this device does not dry the air at all.

With dimensions of 28 inches length, 11 inches width and 20 inches high and its 40 pounds weight, this is one of the heavier electric infrared fireplaces. Its weight drastically affects the portability of this unit which is one of its disadvantages.

What We Like


  • It has a remote control for easier controlling from a distance
  • The infrared heating technology that gives the ability to this electric fireplace quickly and efficiently to heat large spaces
  • The heater does not dry the air in your room so you do not need to buy additionally an air humidifier
  • Programmable 12-hour timer feature
  • You can use the flame effect with or without the heating element
  • 3 heat options with ECO mode

What We Don't Like


  • This electric fireplace is pretty heavy compared with other electric fireplaces in the same category
  • The fan of the heater is a bit noisy

6. Sengoku CV-2230 KeroHeat Convection 23,000-BTU Portable Kerosene Heater


Company: Sengoku

Price: $$$$

Our Rating: 9/10


Overview: The next space heater on our list as one of the best large space heaters comes from brand Sengoku, and that is the model Sengoku CV-2230 KeroHeat Convection Kerosene Heater. As you can see from the name of this heater it is a heater that uses kerosene instead of electricity to heat the rooms.

It has an unusual design that weighs 15 pounds (about 6.8 kg) with dimensions of 19 inches in length, 18 inches in width and 22 inches in height. It also has a built-in handle so you can easily move the heater anywhere in your home. This heater has a tank of 1.9 gallons of kerosene which should be sufficient for smooth operation up to a maximum of 12 hours.

You can easily remove the tank to refill it again with kerosene when it empties. The heater has a symphonic pump and uses K1-type kerosene as a fuel, which is odorless. To better distribute the warm air, the heater has a fan that will need a pair of D-type batteries to make it run. You should know that before using the heater at home, you must first allow it to work outside for some time because it emits a slight odor at first use.

Otherwise, you can simply start the heater by pressing a button. For safe use, this device also has the automatic shutdown feature if accidentally pushed to the floor. There’s also a safety grille around it, which protects you from accidentally touching some of the hot parts of the heater.

Otherwise, the Sengoku CV-2230 KeroHeat Convection Portable Kerosene Heater is designed to quickly heat large rooms up to 1000 feet. This is an economical device that is ideal for use in very cold areas where electricity is not always reliable.

When you use this type of heater you must have installed carbon monoxide detectors in your house.

What We Like


  • Heating Capabilities: This heater is capable to deliver 23000 BTUs heat that is more than enough for heating large areas up to 1000 square feet.
  • It doesn’t use electricity: the heater is a great solution for emergencies when it comes to an issue with electricity in your house.
  • Automatic Shut-Off: In case the level of oxygen gets low in your room the heater will automatically shut off.

What We Don't Like


  • The heater emits some odor that is not recommended for people who are sensitive
  • When you use this heater, you need to have good ventilation in your room.
  • You need to install a carbon monoxide

7. DeLonghi TRD40615T Full Room Radiant Heater


Company: DeLonghi

Price: $$$

Our Rating: 9/10


Overview: Here we have another model from the well-known company Delonghi and that is the DeLonghi TRD40651T Full Room Radiant Heater. If you prefer an oil-filled radiator space heater for a large room then you should consider this model. The heater is able to produce a radiant as well as convective heat.

Thanks to its design, the radiant surface is increased by 40% along with the specifically patented thermal chimneys; the heater can provide fast and steady heat for large spaces.

Characteristically about this heater is its permanently sealed oil called Dragon 4 and the beauty about this unit is that you never going to need to refill with oil again and the heater requires very little maintenance.

In fact, the main role of the thermal chimneys is to speed up the process of heating and at the same time to keep the surface temperature low. This is a very important feature of this heater, as it prevents anyone who comes into contact with the heater from being burned, especially your children and pets. If the heater surface temperature rises, it has a safety feature that does not allow it.

On top of that, the heater also has the feature of preventing freezing, so if the temperature drops below 42 F the heating will automatically turn on, which is really amazing.

It has great portability due to its weight of 24 pounds (about 10.8 kg) and dimensions of 16 inches in length, 6.5 inches wide and 25 inches high. The great thing is that it has a handle that you can easily move anywhere you want. Plus, the heater has wheels for easier movement.

What We Like


  • Extremely silent
  • The smart snap wheels
  • It features with a 24-hour shut on/off timer
  • It requires very little maintenance

What We Don't Like


  • A bit an expensive model
  • It doesn’t come with remote control
  • The process of heating is below expectations

8. Lasko 758000 Cyclonic Ceramic Heater


Company: Lasko

Price: $$$

Our Rating: 8.9/10


Overview: This is another space heater for large rooms and now is coming from another company that is also known for manufacturing quality indoor heaters and that is the model Lasko 758000 Cyclonic Ceramic Heater.

This 1500 watts cyclonic ceramic heater has a simple and sleek design; it is about 25 inches tall, 16.8 inches wide and 6.5 inches deep. Regarding its dimensions, it is a lightweight unit with only 17 pounds (about 7.7 Kg) so you will not find it difficult to move it to another location in your home.

The heater is using ceramic plates inside and along with cyclonic technology is capable to generate enough heat for a pretty large room. Moreover, the ceramic plates also have the ability to keep the temperature of the external surface cool to the touch, so you won’t have to worry anymore if someone in your home gets burned when they accidentally touch the heater.

One of the key features of the Lasko ceramic space heater is the cyclonic way of delivering warm room air. With the help of a special fan, the cold air is sucked out of the room at the bottom of the heater which then passes through the heated ceramic plates and so the heated air is delivered back to the room.

Needless to say, this ceramic space heater like most space heaters has a safety feature that protects it from overheating. The control panel located on the front is user-friendly and it is super easy to set the heater to your needs.

For better temperature control there is a precise thermostat with the possibility to program the heater to switch off after a certain heating time. The maximum time to set the heater to work before turning itself off automatically is 7 hours. This is a great feature if you want to use the heater in your bedroom.

What We Like


  • Sleek design
  • Automatic precise thermostat
  • Energy-efficient
  • Automatic overheat safety feature
  • It features with 7-hour auto turn off/on

What We Don't Like


  • There isn’t a remote control
  • Some customers say the space heater is a little bit noisy

9. DeLonghi EW7707CM Oil-Filled Space Heater


Company: DeLonghi

Price: $$

Our Rating: 8.9/10


Overview: DeLonghi EW7707CM is an oil-filled radiative space heater designed to provide effectively a maximum heat at a low cost for mid-sized and large rooms in your home. In order to achieve this, it features COMFORT TEMP TECHNOLOGY that allows you to maintain the optimal temperature in your room. You can simply set the thermostat at the temperature you need in your room in the range of 68 to 70 Fahrenheit and the heater will automatically maintain that temperature.

Besides that, you are allowed to use three different heat settings such as low that uses 700 watts, medium at 800 watts and a high setting at a maximum of 1500 watts. As you can see besides the temperature in your room you can control as well the consumption of electricity in order to cut your bills down.

Moreover, this oil-filled space heater has an anti-freeze setting, whose main task is to prevent temperature to go below 44 Fahrenheit. In this way, you can protect all devices from freezing in your room.

Also, I don’t want to forget Delonghi EW7707CM uses 7 thermal slots that are filled with diathermic oil and permanently sealed. These slots are designed to maintain a low temperature on the surface of the heater and at the same time to maximize delivering of the heat into your room.

What We Like


  • It works relatively quietly which is ideal to be used in a bedroom while you sleep.
  • The power cord storage section
  • The 7 oil-filled thermal slots and permanently sealed. You will never have a need to refill the thermal oil slots again.
  • The feature for automatic turn on and turn off
  • The pre-assembled snap-in wheels that give better portability to this space heater

What We Don't Like


  • The heater doesn’t have a blower to speed up the process of heating

You can read our full review of the DeLonghi EW7707CM Oil-Filled Space Heater.

10. Homegear 1500W Infrared Electric Portable Space Heater


Company: Homegear

Price: $$

Our Rating: 8.9/10


Overview: Thanks to its dual heating system that implements Quartz and Mica infrared technology the Homegear 1500W Infrared Electric Portable Space Heater is designed for heating medium and large spaces up to 1500 square feet as the manufacturer claims.

In order to facilitate temperature control, the device features a digital thermostat along with remote control. As most of the space heaters, also this one offers 3 different temperature settings including the ECO mode which is one of the great things about this unit. Depending on your needs you can set the heater to work between 750 and 1500 watts.

Another great thing is that the heater stays cool to the touch even if it works for a long period of time at full power. You don’t need to concern somebody to get burn and along with the tip-over switch, it lets you know that really is a safety device.

The Homegear 1500W Infrared heater has a stylish and modern design, it is a pretty lightweight unit with only 12 pounds (about 5.4 Kg) and compact dimensions of 12 inches in length, 13 inches width and 17 inches height all this tells you that you will not have any problem to move it to another location.

When it comes to portability the heater has no handle to allow you to move it elsewhere more easily which is a really big drawback for this quality device though it is lightweight.

On the front of the heater, you will notice the LED panel that allows you easily to keep an eye on the current temperature settings. Moreover, the infrared space heater runs quietly. You are not going to be disturbed while relaxing, watching TV or reading. Even you can use in your bedroom.

What We Like


  • Relatively lightweight space heater
  • It works pretty quietly
  • LED display along with a remote control
  • The dual heating system combined with Quartz and Mica technology
  • Not expensive

What We Don't Like


  • It doesn’t have a handle
  • It doesn’t come with wheels

11. DeLonghi HCX9115E Slim Style Convector Space Heater


Company: DeLonghi

Price: $$$

Our Rating: 8.5/10


Overview: The DeLonghi HCX9115E is another impressive space heater from this well-known brand. It belongs to the group of space heaters with the ability effectively and quickly to heat up large rooms.

This efficiency is due to the dual-fan system that is designed that can quickly heat up the room and at the same time, the warmed air can be evenly distributed throughout the whole room which is really amazing.

Besides its great heating performances, this space heater has a modern and stylish design. When you first look at this heater, the first thing that comes to your mind is that you are looking at a modern desktop computer. It is 21.8 inches high, 32.2 inches long and only 3 inches wide and it weighs only 15.2 pounds (about 6.9 Kg). The heater can be placed on the floor thanks to the mountable legs that you will get along with the heater or you can remove the legs and mount the heater on a wall, it is your choice.

On the front of the heater, you will notice the LED control panel that will allow you to easily and simply control the heater according to your needs. The heater features with three heat settings including ECO mode. With the choosing of ECO mode, the heater will automatically adjust the level of temperature and power usage. In this way, the heater will make your room to be cozy and hot and at the same time, it will reduce the consumption of energy and your bills will be kept low.

Also, I need to mention one of the most important features in this heater, and that is the anti-freeze feature. By selecting this function the heater will maintain the temperature of 45 Fahrenheit (about 7 Celsius) and there will be no freezing in your room. This is an extremely useful feature during winter when the temperatures are extremely low.

When it comes to safety the DeLonghi HCX9115E is really doing an excellent job. Firstly, it features the tip-over protection and if for some reason is happen the heater falls over to the floor at the same moment it will automatically turn off the heater. Secondly, as an additional safety feature in this space heater is the overheat protection that doesn’t allow the heater to become too hot. I can freely say this is one of the best indoor space heaters when we talk about safeness.

What We Like


  • The unique dual fan system
  • Its modern slim design
  • It is a lightweight space heater
  • The ability to quickly warm up a large ro