5 Best Space Heaters for Large Rooms in 2025

best-space-heaters-for-large-rooms

Are you worried about the costs of heating your large room? It is a well-known fact that heating a large room can be quite costly and this is particularly so if one is using the wrong heater. It can be a challenging task to look for an affordable heater that is still efficient for large rooms, but do not worry because we have done the work for you and listed the best large-room heaters below. It means that if you purchase one of the best space heater that has been discussed in this article, then you have the opportunity of saving your dollars while at the same time heating one area of your home for the whole day. So let's get started.

5 Best Space Heaters for Large Rooms Reviews

Do not have enough time to read? Pick your suitable one from this quick suggestions list:

1. Dr. Infrared Heater Portable Space Heater, 1500-Watt

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Dr Infrared Heater Portable Space Heater, 1500-Watt
  • Can heat up a large room with Auto Energy Saving Model With High and Low...
  • Dual Heating Systems featuring infrared quartz tube + PTC with 12hr...
  • IR Remote Control, High Pressure Low Noise Blower with Noise level 39 dB...

A space heater that uses infrared technology, consumes less power, and can warm up a room in a short time. Dr. Infrared Portable 1500-Watt is the best space heater for a large room if you plan on using a small and quiet model. It can be used to warm up any room and has two heating options with an energy-saving feature that turns off the heater when not in use.

This infrared heater is very powerful and has a coverage area of up to 1000 square feet. However, it has an infrared quartz tube that emits more heat compared to those models that do not have it. That is why this model is quite effective at this and will warm you up properly no matter the size of the room.

As for the size, this space heater would be perfect for smaller rooms as it comes with dimensions of 13 x 11 x 16 inches. It also has the ability to shut down when it has reached the desired temperature or if it has been in use for 12 hours.

The interface is rather simple and consists of a remote control that allows you to manage the oscillating fan and the humidifier. However, it has two heat settings whereby one can reduce the heat output from 1500w to 1000w with the flick of a switch. It also has a unique dual heating system that enables it to warm large rooms faster than most heaters do; it blows air at 250° F at a rate of 3.5m/s.

Pros

  • Dual heating function for optimum power.
  • Heats spaces much faster than most heaters on the market.
  • Its very cost effective.
  • Easy to use controls.
  • Quiet control.

Cons

  • The front and rear do get rather hot.

2. Duraflame Electric Infrared Quartz Fireplace Stove

Duraflame DFI-5010-01 Electric Infrared Quartz Fireplace Stove...
  • 5,200 BTU heater provides supplemental zone heating for up to 1,000 square...
  • Patent pending 3D flame effect technology features realistic flames that...
  • The infrared quartz heat helps to maintain the natural humidity in the air,...

If you are seeking the most realistic flame replication, this is one of the more advanced infrared space heaters available in the market. Unlike other heaters in this range, the fire dance at the front, middle, and rear of the log provides a multi-level flame effect. This deters people from touching it since they fear that it might burn them. However, the unit is cool to touch and is safe for children and pets which is a plus for every household.

It has five levels of brightness for the 3D flame that can be turned off while the heater is in use. This space heater has the capability of emitting around 5000-5500 BTU per hour, which is the maximum amount of BTU that any space heater that uses 110v can emit, and therefore, this space heater is suitable for large rooms.

Since it is a quartz fueled heater, it has the capacity to heat rooms up to 1000 square feet. Moreover, since quartz is used as a fuel source for this heater, it does not have any impact on the humidity of the air.

Constructed with a steel frame, the Duraflame Infrared Quartz Fireplace Stove has dimensions of 13.1 x 24 x 23.4 inches and is available in various colors to complement your home décor. It also comes with a remote control for the heat and a timer for the operation of the unit.

Pros

  • Uses realistic 3D fire effect.
  • Quartz fueled.
  • Remote controlled.
  • Overheating sensor.
  • Sturdy metal frame.
  • 3-year warranty.

Cons

  • The temperature isnt openly visible.
  • No backlight on the control panel.

3. Space Heater, 1500W Electric Heaters Indoor Portable with Thermostat

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Space Heater, 1500W Electric Heaters Indoor Portable with...
  • GET NICE & TOASTY FASTER: The advanced PTC ceraming heating technology...
  • CUT DOWN ON ELECTRIC BILLS without having to freeze. Our energy-efficient...
  • ADJUST THE TEMPERATURE TO YOUR NEEDS: Equipped with an adjustable...

With the dimensions of 21.6 x 6.4 x 25.5 inches and the weight of 12.5 pounds, this is not a small under-desk heater from the hardware store that you can use to warm your feet; instead, it can be placed in any room and heat it up quickly and efficiently.

Although it might not blend sophisticatedly with a smaller room as tiny models would do, it is relatively small to be positioned out of the way. Furthermore, it consumes less power and gives off adequate warmth to make up for any slight inconvenience. Also, it can be transferred from one room to another, and it has several safety features like an automatic shut-off mechanism.

As with any heating device, there is always the risk of fire, however the Bionaire Silent Micathermic Console comes with several safety measures to help prevent this. First, it employs a micathermic panel thus eliminating any chances of spilling the combustible liquid like oil heaters.

Additionally, it has an auto shut-off feature that switches off the heater if it ends up on its side and control features that enable you to set the temperature at which the heater should switch off. This prevents overheating and reduces the dangers that come with keeping the heater on for a long period.

Pros

  • Lightweight and easy to move around.
  • Quickly heats a large surface area.
  • No dehumidifying.
  • Runs silently
  • .One of the cheapest space heaters on the market.
  • 5-year warranty.

Cons

  • The lights dont go off which some users find annoying.

4. Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater

Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater...
  • 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
  • Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500....
  • Automatic low oxygen shut-off system (ODS). CSA Certified. Heater Type:...

Regarding the distribution of heat across the room through convection, Mr. Heater 30,000 BTU is efficient in this aspect. Get rid of the need for a central heating furnace and the hassles of power outages through the use of this gas heater.

This model operates on natural gas and is capable of heating an area of up to 750 square feet. The space heater has a burning efficiency of 99.9% which implies that it will combust all the fuel provided to it without any wastage. This also enables it to eliminate any smell of gas and prevent the accumulation of carbon monoxide in the room.

Since it is a conventional heater, it heats the air which rises and thus heats the large room. It has a blue flame and is suitable for open areas or living rooms and is probably one of the best heaters for high ceiling rooms today.

Pros

  • Can be mounted on walls or placed in narrow spaces.
  • 99.9% efficient.
  • CSA certified.
  • Best for large rooms that dont heat well.
  • In-built oxygen shutoff sensor.
  • Safe for indoor use.

Cons

  • Not recommended for use in bedrooms.

5. Amazon Basics Portable Eco-Smart Space Heater - Wood

Amazon Basics Portable Eco-Smart Space Heater - Wood
  • Elegant wood finish portable space heater with adjustable electronic...
  • Includes over-heat sensor for safety
  • Adjustable temperature setting from : 65- 85 ℉

This is a 16-pound portable space heater that can warm large, spacious rooms of about 1500 square feet. It has a power of 1500 watts, has a heating output of 5100 BTUs and has washable filters. Some of the features of the Homegear 1500W Infrared Portable Heater include an on/off 12 hour-timer, overheat protection, an electric floor infrared, and a real blower fan.

Moreover, it has 4 x quartz tubes heating component, thereby offering dual heating. Also, it is ETL certified and comes with a remote control and LED screen display to monitor the process with ease. Another important aspect is its remote control that can fine-tune the settings up to 15 ft. away from the heater.

Nevertheless, it is an affordable option given that it comes with two heat settings, one of which is energy efficient and requires 500W.

Pros

  • 4 x quartz tubes heating element for efficient heating.
  • Quiet blower fan.
  • ETL certified.
  • 3 heating settings.
  • 12-hour on/off timer.
  • Overheat protection.

Cons

  • Some customers complained of burning smells when they used it for the first time.

Buying Guide: Space Heater for Large Room

Due to the high costs of heating and the improved models of space heaters, people are searching for more efficient ways of heating their large spaces. These are also available in different designs and shapes and they can assist in cutting down the costs of electricity during the cold season.

Given the fact that there are numerous room heaters in the market, we have prepared this guide to help you find the right one without having to spend hours searching for it.

The following is a list of some critical factors to consider before you decide to let go of your money.

Heating Area

Since we are more concerned with large rooms, the best space heater will warm up a normal-sized room in 15 minutes. However, it is important to understand that infrared models are primarily applied to certain areas of the room, and not all models can warm up the entire room.

Usually, a space heater consumes 10 watts of power to warm a square foot of your room, although it may not hold true for all devices.

Safety

Certainly, space heaters are designed to produce heat. However, they should not cause fire or burn you in the process. Look for a sensor that will cut off the heater when it gets too hot. Also, taller models can be a good choice if there are children or pets in the room.

When shopping for the best electric heater to use in your house, ensure that it is endorsed with a label from a recognized testing center like Intertek, Canadian Standards Association, and Underwriters Laboratory.

Energy-Efficiency

A heater with a working thermostat feature is beneficial for energy conservation since it switches the heater on and off at appropriate intervals and allows you to set the desired room temperature. Some other features that one may need to consider include energy saving modes, programmable timers and low wattage.

Technology

Most importantly, pay attention to the heating system that is utilized. Regular heaters are ideal for heating the entire room for an extended period. Some of the types of heaters include the radiant heaters which provide heat directly to the area in front of the heater; the micathermic heaters that offer a silent form of heating through the combination of convection and radiation.

Frequently Asked Questions (FAQs) about Space Heater

Should I use a portable electric heater as my primary source of heat? 

An electric space heater that is portable can help in enhancing the comfort of a room and save on the power bills significantly. This can be seen when a space heater is used to heat only the room that is occupied and the main thermostat is turned down.

Is it safe to use space heaters near pets or children?

Heaters are meant to produce heat and some of the models may be quite warm and even hot to the touch. It is advisable to practice a lot of precaution when using a space heater this means that one has to be very careful especially when the heater is being used near children or when it is left on and unattended.

Thankfully, modern heaters come with safety mechanisms including overheat protection, tip-over switch, and more. Even if the child pushes the heater and causes it to become extremely hot, he or she will not be hurt.

Why does my space heater smell like it's burning something?

This is quite common with newly purchased space heaters and is likely to disappear after some usage of the heater. It is common for many bright models to burn the particles of dirt in the air, and this can be felt as a specific smell of burning. This smell is not often considered unpleasant, it is difficult to detect and is generally only present for a short period.

Can I position my space heater against the wall?

It is not advisable to do so as most space heaters do not recommend it in terms of placement. Since most heaters have the air-intake at the front, this positioning should not be a problem in this case. For specific instructions on this, refer to the user manual provided by the manufacturer.

What factors affect a space heater's performance?

  • Height of the ceiling.
  • The outdoor-ambient temperature in relation to the sought after inside temperature.
  • The type, condition, and amount of insulation in the house's structure.
  • The material, thickness, and number of doors, windows in the targeted space.

Conclusion

Heat is very vital in making sure that your body is well warmed up and that your blood is circulating effectively. This, in turn, eliminates the spirit of idleness and enables one to be productive regardless of their location.

Nonetheless, there are numerous heaters in the market and identifying the most suitable one for your large room may be a challenging task. However, the responsibility is still on you to decide which space heater you should use, but if you are in need of a large and quality space heater for your large house, then these are the options you will definitely not regret buying.