Best Electric Heater For Large Rooms – 5 Models To Consider

Different sizes of rooms require unique heating systems that would suit them. Large rooms are hard to heat because they have increased spaces and air volumes. Enabling enough heat under these circumstances would require maximum energy, which would be expensive to maintain. 

Electric heaters are the best types of heaters for large rooms. They radiate more substantial heat and enable surfaces in the room to retain heat for a long time. When heat is retained, energy consumption is minimized.

Electric heaters also have a thermostat to enable you to control the heat per your needs. You should consider getting an electric heater if you own a home or office with a large room.

Features To Consider When Choosing an Electric Heater

Related: Ultimate Review Of Best Garage Heaters Of 2022

The Wattage of The Heater in Relation to The Room Size

The power of an electric heater is calibrated in watts. A powerful electric heater is determined by the number of watts it radiates. The larger the room to be heated, the more watts one needs. The size of the room is measured in square feet.

Calculate the area of your room by multiplying the length and the breadth. For example, if your room is 20 ft × 20 ft, the resulting area is 400 sq. ft. When calculating the wattage needed, multiply the area of your room by 10. In this case, 400 sq. ft X 10 = 4000 watts, the power needed to heat the room sufficiently. 

Energy Efficiency 

Energy efficiency is essential to maintain comfortable thermal conditions while conserving energy. Electricity bills could be high if you are not careful in choosing a heating appliance that effectively keeps your room warm with minimum energy requirements. 

Most electric heaters use convection to direct the movement of heat to various points in the room. Convection is the process of heat movement along air currents. Convection may not be an efficient heat transfer system since it’s subject to air changes. Once the Heater is off, the room is susceptible to faster heat loss.

 For this reason, infrared electric heaters are preferred.

Infrared heaters work on the general principle of radiation. In this case, heat travels directly to various objects in the room without passing through air currents. Objects in the room absorb radiant heat within them. 

The heat generated lasts longer since air does not act upon this heat. A rise and fall in the currents do not affect the heat, thus keeping you warm throughout. Infrared electric heaters include Ceramic radiators and Infrared panels.

Space and Installation 

Compared to traditional electric heaters, infrared heaters do not take up a lot of space in the room. They can be mounted on walls because they appear as slim slabs that can be fixed on walls like paintings. Installing them is not a complicated process. You only plug them into the primary power source and disconnect them easily when usage is not required. 

Safety

Infrared electric heaters are generally safer than other heaters. Their electric surfaces are covered to prevent injuries to those who may handle them. These heaters also operate silently. Infrared heaters are not subject to the combustion of carbon fuels which contributes to greenhouse gas emissions. 

Ceiling Height 

To effectively heat a large room with high ceilings requires a lot of energy consumption. High Ceilings are required in many houses to allow enough ventilation by preventing the cramping of spaces. However, warm air is lighter than cold air; hence it rises from the bottom of a room to the ceiling top.

Many houses with high ceilings also require tall windows that allow draught to set in. Wall mount heaters enable effective circulation of heat around the room. They have fans that enable heat to move from the surface to the ceiling and back. It takes a little time to heat the room, thus conserving electricity. 

5 Best Electric Heaters for a Large Room

Best overall: EdenPURE CopperSmart

Best energy efficient: Asterion Ceramic Heater

Best infrared: Dr. Infrared Heater

Best for the living room: Pelonis Tower Space Heater

Best for a large room with high ceilings: Cadet 67527

Best Overall Electric Heater for Large Room

EdenPURE CopperSmart Electric Portable Heater

EdenPURE CopperSMART No Bulbs to have to Replace 1500-Watt Electric Portable Heater with Remote Control

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EdenPURE CopperSmart tops our list because it combines many features that the best electric heater for a large room should have. It combines a wide temperature range, adequate safety certifications, safe metal casing, and at least 1500 W heating capacity.

The electric heater integrates dual high-power settings to provide supplemental heating up to 1,000 square feet. You can adjust to 1000-W on low setting or 1500 W on high setting. The heater has a central heating capability of about 150 square feet of space (8 feet ceiling height).

EdenPURE CopperSmart has one of the widest temperature ranges. You can adjust between 40 degrees Fahrenheit for power saving or as high as 90 degrees Fahrenheit for heating large rooms. The electric heater uses a copper PCT heating element; thus, you don’t have to worry about oxygen reduction or deal with bulb replacements.

In terms of safety, the EdenPURE CopperSmart comes with a tip-over sensor. It integrates a touch-safe front drill to deter potential burns upon touching. More so, the heater’s dual high-limit sensors ensure the temperatures within the unit are kept low.

Features 

  • Heating capacity/ Wattage:  1500 watts (5000 BTU)
  • Heating method: Radiant technique
  • Coverage area: Up to 1,000 sq. ft
  • Safety features: Touch safe, tip-over, and dual high limit
  • Installation: Instant Use

Best For Highly-rated electric heaters for use as a supplemental heating unit in large rooms

Pros

  • It provides a vast temperature range
  • Highly powerful due to copper PCT heating element
  • Very safe
  • Portable
  • It can be used as supplemental heating input/ output to heat rooms as large as 1,000 sq. ft.

Cons

  • Highly expensive

Check the EdenPURE CopperSmart’s latest prices on Amazon

Best Energy-Efficient Electric Heater for Large Rooms

Asterion Ceramic Heater 

Ceramic Space Heater,ASTERION 1500W Portable Oscillating Electric Heater with Adjustable Thermostat Remote,Personal Office Heater with Timer Overheat

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Ceramic heaters are one of the safest and most energy-efficient space heaters. The Asterion Ceramic Space Heater is robust for large rooms as it is powered by 1,500 watts and can provide supplemental heating of up to 1,000 square feet.

You need to plug the heater into your mains power. Then, the ceramic plate is heated, and the heat generated warms the surrounding air. The Asterion ceramic heater works on the principle of radiation, thus directly heating surfaces for maximum warmth, especially in large rooms.

Features

  • Heating capacity/ Wattage:  1500 watts (5,000 BTU)
  • Heating method: Ceramic
  • Coverage area: Up to 1,000 square feet
  • Safety features: Overheat protection and Tip-Over Protection
  • Installation: Instant use

Pros

  • Very affordable
  • Easy to install.
  • Flame-resistant material guarantees safety in handling
  • Utilizes little space in a room
  • Portable
  • Powerful to provide supplemental heating up to 1,000 square feet 

Cons

  • Highly prone to breakdowns

Check the Asterion Ceramic Heater’s latest prices on Amazon

Best Infrared Space Heater for Large Rooms

Dr. Infrared Heater 

Dr. Infrared Heater Portable Space Heater

Dr Infrared Heater Portable Space Heater, 1500-Watt

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Dr. Infrared electric heater is popular within most homes and offices because it is very energy efficient and is focused on heating our bodies and not the surroundings. These heaters convert electric energy to thermal radiation, which is transferred directly toward a room’s surface.

Dr. Infrared is powered by 1,500 watts and heats spaces based on infrared heating. The heating output allows the heater to cover a maximum supplemental heating space of up to 1,000 square feet.

Dr. Infrared heater has a built-in thermostat that adjusts temperatures from 50 degrees Fahrenheit to 85 degrees Fahrenheit. Because of their radiant heating method, the unit operates very quietly.

Features

  • Heating capacity/ Wattage:  1500 watts/ 5,000 BTU
  • Heating method: Radiant
  • Coverage area: Up to 1,000 square feet
  • Safety features: Overheat protection and Tip-over protection

Pros

  • Has low noise levels (30 dB)
  • Very energy efficient
  • It does not wear out easily
  • Portable and space-efficient 

Cons

  • Focus heating on objects, not heating large rooms effectively 
  • It has a limited temperature range

Check the Dr. Infrared Heater’s latest prices on Amazon

Best Electric Heater for Living Room

Pelonis Tower Space Heater

PELONIS PTH15A4BGB Ceramic Tower 1500W Indoor Space Heater with Oscillation, Remote Control, Programmable Thermostat & 8H Timer, ECO Mode

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The Pelonis Tower space heater is considered an ideal heater for the living room because it has a prolonged design that enables an easy hot air flow. The heater is less helpful in heating large rooms.

Pelonis tower heater is powered by 1,500 watts, which is beneficial for personal heating. The space heater is user-friendly and has a remote control, 8-hour timer, and a 50 dB noise level; allowing you to relax comfortably in a warm living room.

Pelonis tower space heater comes with a programmable thermostat that enables you to set the temperature suitably and easily save energy. The heater’s tower shape allows you to either wall-mount it or places it spaciously alongside other electrical appliances in your living room.

Features

  • Heating capacity/ Wattage:  1500 watts 
  • Heating method: Forced air
  • Coverage area: Up to 1,000 square feet
  • Safety features: Overheat protection and Tip-Over protection
  • Installation: Wall-mounted

Pros 

  • Allows direct person heating
  • Easy to install
  • Fast heating and maintenance of warmth for a long time 
  • Made of flame-resistant material, thus safe to use around your living room

Cons

  • Its heating coverage area is small and thus cannot heat very large rooms

Check the Pelonis Tower space heater’s latest prices on Amazon

Best Electric Space Heater for Large Rooms with High Ceilings

Cadet 67527

Cadet Com-Pak Twin Electric Wall Heater Complete Unit with Thermostat (Model- CSTC402TW, Part- 67527), 13648:10236 BTU, 240:208 Volt, 4000:3000 Watt

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 The Cadet 67527 electric wall heater is ideal for a large room with a high ceiling because it provides over 150% heat output. The space heater is powered by 4,000 watts (13,500 BTU) compared to the 5,000 BTU (1,500-W) heating output generated by a standard electric heater.

The high heating output allows the Cadet 67527 to heat up to 600 square feet on its own. Cadet 67527 can provide supplemental heat to up to 2,000 square feet (8 feet ceiling rooms). The heater saves on space as you mount it on the wall.

Features 

  • Heating capacity/ Wattage:  4,000 watts (13,500 BTU) 
  • Heating method: Forced air
  • Coverage area: Up to 6,00 square feet
  • Safety features: Overheat protection
  • Installation: Wall Mount

Best For Most powerful electric space heater for large rooms with higher-than-average ceiling height.

Pros

  •  Highly powerful space heater (4,000-W)
  • Very affordable
  • Can heat up to 600 square feet (central heating)
  • It occupies less space when fitted on the wall.
  • Easy to install

Cons

  • It runs on 240V voltage, which some households lack
  • Although the Heater’s fan runs smoothly, background white noise can be heard when used.

Check the Cadet 67527 electric wall heater’s latest prices on Amazon

What Type of Heater is Best for a Large Room?

Electric heaters are the best types of heaters in the market. They generate sufficient heat for your home and allow you to control the warmth suitable for your comfort. They are also energy-efficient, portable, space-efficient, and safer to operate at home than gas or kerosene heaters.

What Size of Electric Heater do I need for a Large Room?

Getting an electric heater that generates 10 watts of heating power per square foot is advisable. Many large rooms measure about 150 sq. ft. to 200 sq. ft. Therefore, many electric heaters that generate 1500 watts would be capable of heating such rooms.

Table 1: Size of the room vs. the power of electric heater needed.

Size/ Volume of the room (in sq. ft) Power of electric Heater (in watts)
50 sq. ft 500 watts
100 sq. ft 1000 watts 
150 sq. ft 1500 watts 
300 sq. ft 3000 watts
450 sq. ft 4500 watts 
500 sq. ft 5000 watts
650 sq. ft 6500 watts 
700 sq. ft 7000 watts 
850 sq. ft 8500 watts

What Size Room Will a 2000 Watt Electric heater Heat?

Divide the amount of power emitted by 10. Two thousand watts divided by 10 is 200 sq. ft. This is the area of a room that would need this amount of heat for 24 hours. A 200 – square feet room is the typical size of a room in many households. Therefore, a small electric heater generating 2000 watts can comfortably warm the room during winter.

What is The Most Efficient Type of Electric Heater?

Ceramic heaters are the most efficient because they work when an electric current is through a heavy ceramic plate. It then halts the current from easily flowing, thus generating heat. They store heat in the process. Later, it is circulated in the room without requiring a lot of energy. 

How Much Does It Cost to Run a 1500-watt Heater for 24 Hours?

Running a 1500-watt electric heater in 24 hours would cost a consumer about five Canadian dollars. A 1500-watt heater is approximately 5000 BTUs. To run such a heater for one hour is 0.27 Canadian dollars. The cost of power in Canada in Kilowatts per hour is multiplied by 24 hours to derive how much it would cost to run a heater.

Related: How Much Electricity Does a Space Heater Use?

How Many BTU Do I Need For a 20 × 20 Room?

A room that is 20ft by 20ft has an area of 400 sq. ft. When you multiply this by 10, it gives us 4000 watts. Let us convert this into BTU. Take 4000 and divide by 0.293. It’s approximately 13651 BTU. Electric heaters like Cadet 67527 generate approximately 13650 BTUs (4000 watts) of heat energy and could warm rooms of such sizes.

How Many Square Feet Will a 10,000-watt Electric Heater Heat?

To determine the heat coverage of an electric heater, you can divide the amount of power emitted by 10. Ten thousand watts divided by 10 is 1000 sq. ft. 10000 watts of power generates a lot of heat that can be used in large rooms.

Conclusion

Electric heaters have gained popularity with home users over the years because they are energy efficient and emit powerful heat for maximum comfort during cold spells. An electric heater that enables air circulation across the room is required. Therefore, consider some of the mentioned heaters to warm up your surroundings.

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