Best Space Heater For Large Room

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Heating large rooms can be expensive and challenging, particularly if you choose the wrong unit. To offset the chill, a space heater is a suitable solution.

To help you find the right heater for your home, we’ve put together this guide and selected the best space heater for large room in the market. In a hurry? The Dr. Infrared Space Heater is our top pick.

Our Picks for Best Heaters for Large Room

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Reviews: Best Space Heater for Large Room 

1. Dr. Infrared Portable Space Heater — Best Overall Space Heater for Large room

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Dr. Infrared is one of the most sought after space heaters for living room on the market. The reason for its popularity is its efficiency and diverse features. 

It’s designed with a dual heating system, which uses convection and infrared technology to generate heat. This enables the portable heater to transfer heat faster and better compared to other types of space heater. It also has a 1000-watt setting that makes it possible to save money by cutting electricity costs. 

This infrared heater includes tip-over and overheating protection that should help prevent accidents occurring. You can also program the timer (up to 12 hours) to switch off the unit automatically.

Plus, its built-in humidifier produces a cool mist that helps add humidity to the dry winter air.


  • Includes wheels for portability.
  • Quiet operation.
  • Overheat and tip-over technology.
  • Cool to the touch.
  • Fast heat-up time.


  • Disappointing humidifier reliability.

2. DeLonghi EW7707CM Oil-Filled Radiator — Best Oil Space Heater for Large Room

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Despite having a similar design to a traditional oil-filled radiator, the DeLonghi EW7707CM takes on a modern twist. This oil-filled space heater uses a patented ComforTemp technology to help save energy while still heating large spaces. 

The sealed heating fins enable the heater to provide sufficient heat while allowing it to retain a temperature that’s cool to the touch. Regular maintenance should also be minimal, thanks to this sealed unit build.

It’s anti-freeze setting automatically turns the unit on when the room temperature goes below a certain level. This ensures that rooms don’t reach sub-freezing temperatures.

To prevent overheating, this heater has an automatic thermal shutoff. You can also opt for three heating levels, automatic, high heat, and low heat. Lastly, the heater operates silently, which should make it suitable for any room.


  • Power rated for 700 to 1500 watts.
  • Rust-resistant.
  • Automatic shutdown feature.
  • Includes wheels for convenient movability.
  • User-friendly controls.
  • Three heat settings.


  • Inclusion of a timer would be an improvement.

3. Lasko 5160 Ceramic Tower Heater — Best Budget Heater for Large room

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Lasko is no new name in the home comfort space. Their products are known for being compact, versatile, budget-friendly, and effective. This heater doesn’t disappoint. 

The first notable feature is its tower-type design, which makes it portable and easy to use in any room in your house. 

This heater contains an elongated ceramic element that enables it to extend warmth to every part of the room. Its patented blower technology gives this device an excellent heat output. While the heater casing keeps cool, its front grate does warm up.

The widespread oscillation helps to distribute warm air around the room evenly. It also includes a multi-functional remote control that you can use to increase or decrease the temperature according to your preference.

For safety, this space heater has an auto-shutoff feature that kicks in when it’s accidentally tipped.


  • Includes a carry handle for convenience.
  • Overheat protector.
  • Reaches temperature quickly.
  • Controllable by remote.


  • Thermostat accuracy appears questionable.

4. DeLonghi HCX9115E Panel Heater — Best Convection Heater for large room

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If you’re looking for an electric space heater, that’s slim, portable, and performs well, you may wish to consider the DeLonghi HCX9115E heater. Despite its slim nature, this space heater has a capacity of 1500 watts, which should make it possible to heat large rooms adequately.

Its two-fan system ensures the distribution of warm air evenly throughout the room. 

In terms of safety, the tip-over protection will cut power when the heater gets knocked over. It also has a thermal cutoff switch that shuts down the device if it gets too hot.

This space heater comes with three heat settings, one of which is an ECO mode. This automatically adjusts the device’s power flow while still maintaining its heat. It also comes with an anti-freeze feature, which kicks in when the ambient temperature dips, keeping pipes from freezing during the cold season.


  • Wall-mountable or free-standing. 
  • LED control panel.
  • Dual fan system.
  • Sleek, streamline design.
  • 1500 watts power capacity.


  • The fan can be quite noisy.

5. Duraflame Electric Fireplace Stove

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If you’re looking for a space heater that can help give your home a cozy ambiance, then the Duraflame fireplace stove may appeal. It’s also one of the best indoor electric heaters for large rooms. 

This appliance can cover 1,000 square feet. Even though it’s solidly built using metal, it’s still portable, making it possible for you to transport it from one room to another.

It comes with a “cool-to-touch” outer casing, which could be handy if you have young ones or pets running around. And, the adjustable digital thermostat gives you the freedom to decide the room’s temperature. 

It has a patent 3D fire effect that gives off realistic flames with five modes, so you can alter the brightness to suit the setting you want to create. The “fireplace” look can also be used with or without heat. This device uses electricity as a primary power source but still limits the power it consumes.


  • Realistic looking flames.
  • Classic fireplace-style space heater.
  • Digital thermostat/control panel
  • 9-hour timer function.


  • Viewing and adjusting the temperature, requires the door to be open.

6. Comfort Zone Oscillating Space Heater

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For anyone looking for a tabletop or portable heater for their large office or home, you can try the comfort zone space heater. This unit uses a 70-degree oscillation along with a fan to offer you sufficient warmth during the day and night. It has an inbuilt advanced and self-regulating ceramic heater that’s designed to be energy and cost-efficient.

It has an overheat protection sensor and a fail-safe function that automatically shuts down the heater if it tips over. Its digital thermostat prevents stuffiness and overheating.

This unit has an ECO Mode setting that enables you to adjust the heat output and ultimately lower your electricity cost. Another notable feature is its stay-cool outer casing that allows the heater to remain cool even at high temperatures.


  • Fast heating.
  • Tip-over and overheat protection.
  • Highly portable.
  • Timer (up to 8 hours).


  • Operation noise may seem too loud for some. 

Choosing The Best Heater for Large Room

Here are some essential factors you should consider when purchasing heaters for large room.


The first and most important point you should look at is power. In general, one square foot space requires 10 watts of heat. Therefore, a space heater with a power rate of 1000 to 1500 watts should be suitable. You shouldn’t buy a car heater for your living room.


Like any other device, space heaters come in different types, and they are:

Radiative Heaters

These appliances use radiation to warm objects and people in a particular space rather than heating the air. This ensures that the room maintains the heat at all times. One such heater from our product review is the Dr. Infrared Space Heater.

Convection Heaters

These heaters use a heating element to heat the oil or warm the air. Once the air is warm enough, the device pushes it into the room using a fan. Oil convection heaters may take time to heat up; however, they have a lower surface temperature than air convection heaters. The DeLonghi EW7707CM is an example of an oil convection heater.

Ceramic Heaters

Made from plastic or metal, they utilize electricity as the primary power source. They can either be convection or radiative style, but the heating element or plate inside is ceramic.These types are also budget-friendly and affordable to maintain. The Lasko 5160 heater is a ceramic space heater.

Temperature Controls

Most space heaters incorporate temperature adjustments into their designs. However, some will have fixed settings, and others will allow you to take more control by specifying the desired room temperature. 

Noise Levels

A noisy heater can be annoying, especially at night. Look for a product that uses terms like “silent heating” or “noise reduction.” These are good indicators of the heater producing little or no operation sound at all.


The thermostat will track the temperature of the room and monitor the heat output. You can find these with an LED or analog display to help you know the ambient temperature. An LED display is likely to be easier to read.


The shape, aesthetic, and size all play a role in the functionality of the device. Therefore, make sure you choose a design that suits the size of your large room. Also, think about whether its appearance will complement the decor of your home.

Safety Features

These features are crucial, as they help prevent fire accidents from occurring. One of the safety features your heater should have is an automatic shutoff. This feature turns off the device automatically when it gets tipped over. Others include overheat protection, which prevents the internal components becoming too hot and your unit reaching unsafe temperatures.

Benefits of a Space Heater for Large Rooms

Apart from warming your large room, the best space heaters for large room are also:


When you compare the cost of investing in a new heating system to the purchase of a space heater, it makes the latter a budget-friendly option in comparison. There are no professional installation costs, and maintenance is minimal as repairs are simple.

Energy Efficient

Space heaters come in various shapes and sizes. Despite these differences, these devices only require a few minutes to warm the room. Once it attains an ideal temperature, space heaters can maintain that, depending on how long you want it to operate. This helps cut down electricity costs and makes them energy efficient.


This one feature alone makes space heaters worth having. Unlike a central heating system or a radiant floor heater, you can move a space heater from one space to another. Most are lightweight, and this makes it easy to carry them around. If you don’t wish to switch on your entire heating system, space heaters could appeal.

Best Space Heater for Large Room FAQs

Do Living room heaters Use a Lot of Electricity?

To find out how much it would cost you to run the best space heater for large drafty room, try out this energy use calculator

What Size Room Would a 1500 Watt Space Heater Warm?

A 1500 watt space heater can warm up a room of 150 square feet. However, it’s performance is subject to the room characteristics. Rooms with little or no insulation and drafty rooms may cause this heater not to perform at its optimum.

Are Space Heaters Safe?

Yes, space heaters are safe. Many models come with several features, which make these devices safe for use at home. Some heaters also have designs that make it safe for pets and kids to touch without getting burnt. Therefore, make sure you look for a heater with two or more of these types of functions, as this will guarantee your safety and that of your children.

Here’s a few safety tips:

  • Keep combustible materials away from the heaters.
  • Never use extension cords when using a space heater.
  • Keep space heaters away from primary heat sources.

Turn up the Heat

The best space heater for large room should be cost-effective, energy efficient and functional.  

While all our picks are suitable for the task at hand, the Dr. Infrared Space Heater stands out from the crowd. It’s portable, inexpensive, and has numerous features that help keep you and your loved ones safe and warm. It’s also easy to set up, all you have to do is plug in the cord and you’re good to go. 

However, for those on a budget, we’d suggest the Lasko 5160 is a worthy contender for heating your big space. Alternatively, if you’re looking for super energy-efficiency, you may wish to consider an oil-filled radiator like the DeLonghi EW7707CM