10 Best Indoor Electric Heaters For Large Rooms in 2022!

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During harsh winter, indoor electric heaters are convenient to warm up the large room. It allows you to warm up your surroundings by increasing the temperature. The warmth of a heater can help us get through the coldest days. You can enjoy the room as you usually do, read, rest, sleep, and dress without being cold.

There are lots of indoor electric heaters to keep your room warmer. In this article, I have compiled 10 best indoor electric heaters for large rooms so you can stay warmer in severe cold. They generate more comfortable heat than other electric heaters.

How Big Of A Room Will A 1500 Watt Heater Heat?

It is essential to choose the correct heaters for the large rooms. So, you must have a perfect idea about the heater power and area of room coverage. A 1500 watt heater can cover 15 sq meters or a similar room with 5100 BTU heating power.

For a living room, you will need a 100 watts heater per square meter: 1,000 watts of heating power is required for every 10 square meters. For my example, I will put the dimensions of 5 meters by 3 meters, which is 15m². To facilitate the calculation, a 1500 watts heater is enough.

Best Indoor Electric Heaters For Large Rooms – 1 Min Quick Summary

Editor’s Choice: ECO HEAT S

Oscillating fan integrated ceramic heater warms a large room quickly. Small and dual heating modes for user efficiency.

Best Electric Space Heater: Dr Space Portable Infrared Heater

IR heater with PTC heating elements and electronic thermostat for constant heating.

Best Wooden Heater: Trustech Infrared Heater

Wooden-styled IR heaters provide low, medium, high heating modes with wireless control.

Best Portable Indoor Heater: Heater Big Buddy

Delivers radiant and convection type heating with easy moving room to room.

Best Classic Electric Heater: PELONIS

Oil radiator heater with 360-degree rotation. It provides allergen-free air by controlling humidity.

Best Electric Stove Heater: Duraflame DFI-5010

Stove-like heater with wood-burning 3D flames. Adjustable brightness and consumes low energy.

Best Heater For Bedroom: Pro Breeze Space Heater

Small heater with 3 different heating modes. Quickly heat a large room by blowing air with the ceramic fan.

Best Oscillating Heater Fan: Comfort Zone Oscillating Space Heater

Ceramic heating elements with digital thermostat. All functions are presented on the LED screen.

Best Twin Electric Wall Heater: Cadet CSTC402TW

Wall-mounted dual fan heater with large room coverage. Eliminate cold spots from the room.

Best Portable Space Heater: Amazon Basics – Eco-Smart

Wooden furnished IR heater with 1000 sq feet room coverage. It was constructed with secure heating elements.

Table of Content:

Here is the table of content for your quick navigation:

Comparison Chart:

If you want to see our selected heaters at a glance, go through the comparison chart below:

Image Product Rating Price
Editor’s Choice



Check Price
Best Electric Space Heater

Dr Space Portable Infrared Heater

Dr Space Portable Infrared Heater

Check Price
Best Wooden Heater

Trustech Infrared Heater

Trustech Infrared Heater

Check Price
Best Portable Indoor Heater

Mr. Heater Big Buddy

Mr. Heater Big Buddy

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Best Classic Electric Heater



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Best Electric Stove Heater

Duraflame DFI-5010

Duraflame DFI-5010

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Best Heater for Bedroom

Pro Breeze Space Heater

Pro Breeze Space Heater

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Best Oscillating Heater Fan

Comfort Zone Oscillating Space Heater

Comfort Zone Oscillating Space Heater

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Best Twin Electric Wall Heater

Cadet CSTC402TW

Cadet CSTC402TW

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Best Portable Space Heater

Amazon Basics – Eco-Smart

Amazon Basics – Eco-Smart

Check Price

Top 10 Best Indoor Electric Heaters For Large Rooms in 2021

Here, I have rounded up the best indoor electric heaters for large rooms to avoid cold attacks in harsh winter. Let’s dive into it:

Best Indoor Electric Heaters For Large Rooms

1. Editor’s Choice: ECOHEAT S


EcoHeat S is a portable ceramic heater and has an oscillating design that warms up any large room quickly. Its compact size is perfect for home or office use. Precisely the oscillating design makes it a far better solution than the old-fashioned heaters.

Eco Heat S consists of three main elements. These are the fan, the ceramic PTC elements, and the regulator panel. Choose the required heat level from the three settings. Its 70-degree oscillating fan blows heat throughout the room.

The Control panel integrated LED display shows you the current temperature. Its cooling process starts as soon as you switch off the appliance and it only takes a few seconds to cool down. For these advanced features, it is our recommended best indoor electric heaters for large rooms.

ECOHEAT S Features:

  • The three programs: hot, warm and natural wind allow you to use it in all seasons.
  • You can use the keys and the LED display to switch between programs and temperatures.
  • It is designed with protection against overheating and protection against overturning.
  • You no longer have to worry about towering electricity bills if you want to be more comfortable all year round.
  • The 600 watts and 1200 watts modes provide low power consumption and eco-friendly performance.
What I Loved
  • Safe to heat any room with protection
  • Sleek and lightweight design
  • Oscillating functions and design
  • Three fan settings
  • 600 and 1200 watts modes
  • User-friendly control panel
  • Environmentally friendly
  • Save electricity bills
What Could Be Better
  • A little bit expensive.

Where You Buy Ecoheats?

EcoHeat S is officially supplied and sold from the supplier’s website. They ensure 2 years regular warranty and 30 days user satisfaction guarantee. You will get free offers on multiple purchases. Additional accessories are also sold here at an affordable rate. So why late? Grab the EcoHeat S to stay relaxed in both hot and cold seasons. The Ecoheat S Review will give you more details of the best large room heater.

2. Best Electric Space Heater: Dr Space Portable Infrared Heater

Dr Space Portable Infrared Heater

Dr. Space Portable Infrared Heater has IR and PTC heating systems with 1500 watts of power that easily heat any large room. It is integrated with low and high functions to save energy automatically. The Electronic thermostat provides a 50 to 85-degree constant temperature.

Its remote control system and quiet noise ensure peace of mind. After 12 hours of running, it shutdowns automatically. It has a lifetime-lasting filter, so your heater fan will always be free from dirt. You can move the heater in any room with the wheels.

The rollover and overheat protection allow you to use the heater in any room safely. Its 7 inches blower delivers a high amount of heated air in the low mode so that the electricity bills will be saved over 50%. For these features, it can be considered as the best space heater for large room.

What I Loved
  • Protection from overheat and rollover
  • Automated low and higher function
  • Dual heating system
  • Low noise operation
  • Lifetime filter
  • Constant heating with a thermostat
  • 12 hours after auto shut down
  • Reduce more than 50% electric bills
What Could Be Better
  • Sometimes it provides more heat

3. Best Wooden Heater: Trustech Infrared Heater

Trustech Infrared Heater

Trustech Infrared Heater offers 3 heating modes: 300 watts, 750 watts, and 1500 watts to cover small to large rooms. All functions can be operated remotely. You can see the functions clearly on the LED display. The radiant heating method prevents the cold air in your room.

It has incredible safety features. The spike kill switch turned off the heater automatically in uneven situations. When the temperature goes over 105 degrees Fahrenheit, it is automatically turned off. Adjust the heating period with its timer option.

Specially designed with a compact wooden cabinet. Heat room without troubling others during sleeping. The programmable thermostat ensures constant hot air every day with the same settings. Its air intake and wire clip ensure hassle-free use.

What I Loved
  • LED control panel with remote functions
  • 3 low to high modes with quick performance
  • Functional thermostat
  • Timer for adjustable usage
  • Comprehensive protection
What Could Be Better
  • Breakable wooden construction

4. Best Portable Indoor Heater: Mr. Heater Big Buddy

Mr. Heater Big Buddy

Mr. Heater Big Buddy produces 4000 to 18000 BTU heating power that is enough for up to 450 sq feet of rooms. It does not create carbon dioxide and vapor so that you can use it indoors/outdoors with 100% efficiency. Enjoy a steady heat level using the knob.

It delivers radiant and convection type heating with an integrated fan. You can use an extra propane gas tank to run the heater without electricity. It provides ODS and Tip-over safety, so you always enjoy safe indoor heat. With the hand lever, it is easy to transport anywhere.

There is no smoke and smell while using it. Its heating hour is only 11 hours and safe to use with a tilt switch. Weighs only about 6 pounds so you can use it for hunting, campfire and more outdoor activities.

What I Loved
  • Cover up to 450 sq feet area
  • Radiant and convection heating
  • Auto shut down at a low oxygen level and tipped over
  • Knob for the additional tank
  • Integrated fan
  • Heat rooms safely
What Could Be Better
  • Do not work with a 20 pounds propane tank

5. Best Classic Electric Heater: PELONIS


PELONIS is classically designed with a silver-colored oil radiator to enhance your room looks. It heats a large room silently and efficiently without the fan. The alloy-based oil-filled tube provides high performance for multidimensional heating.

Easy to move with 360-degree steering wheels. It delivers allergen-free air so you and your family will be safe from allergic diseases. Enjoy constant temperature with 3 heat settings and 5 temperature modes. Adjust the level using the remote or control buttons as you want.

It gives you safety from accidental drop, overheats by stopping the heater itself. You can easily clean the heater using damp clothes after cooling it.  It controls the room’s humidity level in the air for breathing safely.

What I Loved
  • Classic oil-filled radiator
  • 3 heat modes and 5 temperature settings
  • Remote and button controls
  • 360-degree heating
  • Noise-free operation
  • Adjustable timer
  • Auto shut down in overheating and dropping
  • Control humidity level in the air
What Could Be Better
  • Inaccurate thermostat

6. Best Electric Stove Heater: Duraflame DFI-5010

Duraflame DFI-5010

Duraflame DFI-5010 is a stove-designed IR heater with 3D flames. You can feel the real wood-burning without messes in your room. The low energy consumption with heat control provides a stress-free heating performance. Its 5 adjustable brightness mode allows you to set the look of the flame.

Heating temperature is adjustable depending on the weather and comfort. The flames are covered in a beveled glass structure, so never worried about the burning cases. When it overheats and room temperatures cross the limit, it instantly shuts down. A remote controller helps to manage all functions of the heater.

The timer provides stress-free heating at night with automated programs. It is furnished with an adjustable digital thermostat and ensures constant heat to keep the room warmer all day long. 5200 BTU heating power of the heater quickly heats up to 1000 sq feet room.

What I Loved
  • Decent 3D flame effects
  • Adjustable digital thermostat
  • Overheat protection
  • Adjustable timer
  • Remote controller
  • Suitable for 1000 sq feet room
  • 5 brightness settings
What Could Be Better
  • Burning smell.

7. Best Heater for Bedroom: Pro Breeze Space Heater

Pro Breeze Space Heater

Pro Breeze Space Heater is a small but powerful 1500 watt heater, perfect for bedroom and office desk. It has 3 heating modes for heating small to large rooms rapidly. Get constant heat on surroundings with its adjustable thermostat.

It provides you with an anti-tip switch and auto-off to protect yourself from overheat and other accidents. With top-notch knobs, easily adjust heat levels and modes. It offers better airflow with an advanced ceramic fan.

The steam to hot air transforming system of the heater quickly warms up the front space. In high mode, it consumes less power, so you can use it efficiently all day long where you need it. Its specific heating elements make it the perfect heater for the bedroom.

What I Loved
  • Compact but powerful enough for larger rooms
  • 3 modes with an adjustable thermostat
  • Safety protection in overheating and tip-over
  • Ceramic fan heating
  • Large air intake
  • Energy-efficient
What Could Be Better
  • Noisy fan

8. Best Oscillating Heater Fan: Comfort Zone Oscillating Space Heater

Comfort Zone Oscillating Space Heater

Comfort Zone Oscillating Space Heater is designed with ceramic heating elements that warm up room air quickly. Its digital thermostat sets the heat from 41 to 90-degree Fahrenheit. In the LED screen, you will notice the temperature.

You can use the heater from 800 watts low mode to 1500 watts high modes. Regulate the fan speed according to your room type and temperature. It perfectly heats 150 to 300 sq feet rooms with 5120 BTU-rated heating power. Stay protected from overheating, accidental burns, and falls.

Control the heater’s functions with the push button panel or remote. Its 70-degree pan provides all corners heating in the room. Set the heater for 1 to 8 hours with the timer. You can save energy using the ECO mode.

  • 70-degree oscillation
  • Ceramic heating elements
  • Digital thermostat
  • Remote and button control
  • Energy-efficient eco mode
  • 8 hours adjustable timer
  • The LED screen shows the temperature
  • Cool outfit
What Could Be Better
  • Complex controls

9. Best Twin Electric Wall Heater: Cadet CSTC402TW

Cadet CSTC402TW

Cadet CSTC402TW has a double recessed fan heater that quickly heats large spaces. Its safety lock system automatically shuts down at high temperatures. You can easily install the heater on the wall with a 20 gauge wall mount.

The powder coating design of the heater enhances the room’s beauty and ensures long-lasting performance. It delivers constant heat through the built-in thermostat. Eliminating cold spots in open areas is possible with this heater.

During blowing the air, the heater’s fans run noise-free so you can safely use it while falling asleep. It produces 13648 BtuH of heat power, which is perfect to heat 500-600 sq feet area. With the radiant heating system, you can consume the proper energy depending on your needs.

What I Loved
  • Twin fan heater
  • Quick heating elements
  • Safety lock features
  • Simple installation
  • Sturdy powder-coated construction
What Could Be Better
  • No remote controller

10. Best Portable Space Heater: Amazon Basics – Eco-Smart

Amazon Basics - Eco-Smart

If you are looking for the best electric heater for house, the AmazonBasics Portable Eco-Smart Space Heater is the perfect one for you. The wooden structure makes it lightweight and portable. It uses IR heating elements with 750 watts to 1500 watts power to cover up to 1000 sq feet of rooms. All functions are revealed on the LED screen.

The overheat sensor stops the heater automatically when the temperature crosses 85-degree Fahrenheit. Enjoy constant temperature in your room with its digital thermostat. You do not need to push the buttons, just use a remote to adjust all functions.

Use the auto and standby mode to use the power conveniently. Its dual heating methods use the PTC heating elements and tube to deliver heat to surroundings. The secured elements of the heater make it safer for your kid’s and parent’s rooms.

What I Loved
  • Stylish wooden design
  • Digital thermostat
  • LED display
  • Overheat protection with the sensor
  • Dual heating modes
  • Remote control functions
  • Several power functions
What Could Be Better
  • Batteries not included with the remote

How To Choose Electric Heaters For Large Rooms

When you decide to buy the best indoor electric heaters for large rooms, you must keep in mind certain factors that will help you determine which best model to meet your needs.

How To Choose Electric Heaters For Large Rooms

1. Power level

You must also validate the power levels that the indoor electric heater has. It will depend on whether you can have the necessary temperature, to obtain the warm environment you want. For a large room, your heater must have 700 to 1500 watts of heating power.

2. Thermostat

The large heaters indoors have a mechanical and digital thermostat. Mechanical thermostat is controlled manually with a knob. Its slowness to turn on or off and the inaccuracy when reaching the desired temperature. Consequently, there is greater energy expense. Digital thermostat provides constant heating while controlling its functions. This effectiveness is reflected in the desired warmth in the environment and a considerable saving of energy and money.

3. Portability

Portability is also an essential point to verify. If you need to move the heater, you should go for a portable, lightweight model with steering wheels or handles. Portable heaters allow you to warm up all your rooms one by one.

4. Security System

A very important aspect regarding this type of product is the security system. Must check the fire, overheat, tip-over, and burn protection. Also, check the outside temperature of the heater after starting. Some heaters produce fire and become overheated. So, be alert about the safety protection.

Final Verdict

The electric heater is a convenient solution for staying warm in the cold season. Here, I have reviewed the 10 best indoor electric heaters for large rooms and I would like to recommend the EcoHeat S for its quick heating performance. The fan heats the plates for fast and effective diffusion.

It provides 70-degree coverage with the oscillating fan. You can regulate the heat from the control panel. It distributes heat evenly in the room with the adjustable electric thermostat. Get the best heater for large room and stay warm in the severe winter with your family.

Henry J Taylor

Hi, I am Henry J Taylor, the owner of “Nerd Know Better Site” that will inform you about all the latest & smart tools for kitchen, home, health, automobiles, gadgets, everything that you may need in your everyday life. Basically, I am a businessman, researcher & writer. I have a business where I sell different types of smart tools that you’ll need in your everyday life.

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