What Is The Best Space Heater for 400 Square Feet [In 2025]

The best space heater for 400 square feet is the Heat Storm Phoenix HS-1500-PHX. It offers efficient heating and flexible installation options.

Choosing the right space heater for a 400 square feet area can significantly improve comfort and energy efficiency. The Heat Storm Phoenix HS-1500-PHX stands out due to its infrared heating technology, which provides consistent warmth while being energy efficient. With attachable feet and the option to mount it on the wall, this heater offers flexibility to fit various room setups.

Our Top 3 Picks

Feature	GiveBest Electric Wall Heater	Heat Storm Phoenix HS-1500-PHX	KEGIAN Space Heater
Price	Check Latest Price	Check Latest Price	Check Latest Price
Power Output	1500W / 5200 BTU	1500W / 5200 BTU	1500W
Coverage Area	Up to 200 sq.ft	Small to medium rooms	Large rooms
Special Features	– WiFi control – Remote control – ECO mode – Touch control panel – Wall/floor mounting	– HMS Technology – Safe-to-touch grill – Digital display – Remote control – Dual power modes	– Built-in humidifier – 12h timer – Child lock – Towel warmer – Remote control
Installation	Wall-mounted or portable	Wall-mounted or portable	Portable with wheels
Safety Features	– Tip-over protection – Overheat protection – V-0 flame-retardant materials	– Safe-to-touch surface – Overheat protection	– Tip-over protection – Overheat protection – Flame resistant
Best For	Bedrooms, living rooms, bathrooms	Small offices, bathrooms	Large rooms, offices, garages
Noise Level	Moderate fan noise	Quiet operation	Nearly silent

Top 6 Best Space Heater for 400 Square Feet Reviews

Heat Storm Phoenix Hs-1500-phx

The Heat Storm Phoenix HS-1500-PHX is an infrared space heater that comes with attachable feet and a remote control. It is energy efficient, with adjustable power settings ranging from 750 to 1500 watts. The heater can be used on the floor or mounted on the wall, making it versatile for various room configurations. It comes in a sleek gray color and is manufactured by Leisuresun Industrial Co..

Pros:

• Energy efficient, with adjustable power settings (750-1500 watts)
• Comes with attachable feet for easy placement on the floor
• Includes a remote control for convenient operation
• Can be used on the floor or wall-mounted
• Sleek gray color that blends well with various decors

Cons:

• Weight of 8.0 pounds may be heavy for some users
• Dimensions may not fit in smaller spaces

The Heat Storm Phoenix HS-1500-PHX offers a range of features that make it a great addition to any home. Its energy efficiency ensures that you can stay warm without significantly increasing your energy bills. The attachable feet and wall-mounting options provide flexibility in how you choose to place the heater in your room. Additionally, the remote control adds a layer of convenience, allowing you to adjust the settings from across the room.

Despite its numerous advantages, the Heat Storm Phoenix HS-1500-PHX does have a couple of drawbacks. The weight of 8.0 pounds might be a bit cumbersome for some users, especially if you plan to move it frequently. Moreover, its dimensions may not be suitable for smaller spaces. However, these minor issues are easily outweighed by the heater’s overall performance and versatility, making it a worthwhile investment for those looking to stay warm during the colder months.

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Kegian Space Heater

The KEGIAN Space Heater is a 1500W whole room heater designed for indoor use. It is a portable electric heater with a remote control, 12h timer, and an adjustable thermostat. This convection panel heater is suitable for large rooms, offices, and garages.

Pros:

• High Power at 1500W providing efficient heating.
• Portable design making it easy to move around.
• Comes with a remote control for convenience.
• Features a 12-hour timer for scheduled heating.
• Adjustable thermostat for personalized comfort.

Cons:

• Large dimensions may require ample space.
• Gray color might not match all decors.

The KEGIAN Space Heater is an excellent choice for those seeking a reliable and powerful heating solution. Its 1500W power output ensures that it can effectively heat large rooms, making it ideal for offices and garages. The inclusion of a remote control adds a layer of convenience, allowing users to adjust settings from a distance. Additionally, the 12-hour timer and adjustable thermostat provide flexibility and control over the heating schedule and temperature.

However, potential buyers should consider the dimensions of this heater, as its height of 25 inches, width of 23 inches, and length of 11 inches may require a significant amount of space. Additionally, the gray color might not be suitable for all interior designs. Overall, the KEGIAN Space Heater offers robust features and functionality that make it a valuable addition to any large room or workspace.

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Duraflame Electric Tower Heater

The Duraflame Electric Tower Heater is a highly efficient and versatile oscillating tower and space heater designed for use in offices or large rooms up to 1,000 square feet. Manufactured by Twin-Star International, Inc., this oak-colored heater combines both aesthetic appeal and functionality.

Pros:

• Efficient heating for large spaces up to 1,000 square feet
• Oscillating feature for even heat distribution
• Compact design with dimensions of Height: 22.8 inches, Width: 8.0 inches, Length: 11.0 inches
• Durable build with a weight of 23.1 pounds

Cons:

• Heavier weight compared to some other models
• Limited color options—only available in oak

The Duraflame Electric Tower Heater stands out with its oscillating feature, ensuring that heat is evenly distributed throughout the room. This makes it an excellent choice for larger spaces like offices or big living rooms. Its compact design allows it to fit seamlessly into any room without taking up too much space, while the oak finish gives it a classic, elegant look that can complement various interior decors.

Despite its many advantages, the heater’s weight of 23.1 pounds might make it less portable compared to lighter models. Additionally, the limited color option may not appeal to everyone. However, its efficient heating capabilities and durable construction make it a reliable choice for those in need of a powerful and stylish heating solution.

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Air Choice 36″ Space Heater

The Air Choice 36″ Space Heater is a versatile and powerful 1500W PTC Electric Heater designed for indoor use. With 4 modes and an adjustable thermostat, this heater is perfect for large rooms, providing efficient and customizable heating. The 3D flame effect adds a touch of elegance, while the 12-hour timer, oscillating feature, and remote control offer convenience and ease of use.

Pros:

• 1500W PTC Electric Heater for effective heating
• 4 modes to suit different heating needs
• Adjustable thermostat for personalized comfort
• Elegant 3D flame effect
• Convenient 12-hour timer
• Oscillating feature for even heat distribution
• Comes with a remote control
• Sleek tower design suitable for office and bedroom use

Cons:

• May be too tall for some spaces with its 34.6-inch height
• 7.4-inch width may not fit well in very narrow spaces
• Black color might not match all interior decors

The Air Choice 36″ Space Heater stands out for its powerful 1500W heating capacity, making it an excellent choice for large rooms. The adjustable thermostat and 4 modes allow users to customize the heating experience to their specific needs. Additionally, the 3D flame effect not only heats but also enhances the ambiance of any room, creating a cozy atmosphere. The 12-hour timer and remote control add layers of convenience, enabling users to control the heater from a distance and set it to operate within specific hours, thus optimizing energy usage.

However, there are some considerations to keep in mind. The heater’s 34.6-inch height might be too tall for certain spaces, and its 7.4-inch width may not be ideal for very narrow areas. Additionally, the black color might not blend seamlessly with all types of interior decor. Despite these minor drawbacks, the Air Choice 36″ Space Heater offers a combination of power, versatility, and aesthetic appeal, making it a strong contender for anyone seeking an efficient heating solution for their home or office.

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Givebest Electric Wall Heater

The GiveBest Electric Wall Heater with WiFi and Remote Control is a versatile and efficient heating solution for indoor spaces. Designed with both floor or wall mounting options, this heater offers large room coverage and three heating modes to suit different needs. With a 1500W fast heating capacity and an integrated thermostat, it ensures a comfortable and consistent temperature. The heater also comes with WiFi connectivity and a remote control for added convenience.

Pros:

• WiFi connectivity allows for remote operation.
• Three heating modes for customizable comfort.
• 1500W fast heating for quick warmth.
• Can be mounted on the floor or wall for flexibility.
• Large room coverage ensures efficient heating.
• Integrated thermostat for consistent temperature control.

Cons:

• Weight of 7.22895757098 pounds might be cumbersome for some users.
• Dimensions may not be suitable for very small spaces.

The GiveBest Electric Wall Heater stands out due to its impressive WiFi connectivity feature, allowing users to control the heating settings remotely using their smartphones or other devices. This is particularly useful for those who want to come home to a warm environment without having to manually adjust the heater. Additionally, the remote control offers another layer of convenience, making it easy to change settings from anywhere in the room.

One of the key features of this heater is its three heating modes, which provide flexibility in achieving the desired level of warmth. Whether you need a quick burst of heat or a consistent, moderate temperature, this heater can accommodate. The 1500W fast heating capability ensures that even large rooms can be heated quickly and efficiently. However, users should consider the heater’s dimensions and weight to ensure it fits their specific space requirements.

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Dreo Space Heater For Indoor Use

Experience the ultimate in indoor heating with the Dreo Space Heater. This 25-inch electric heater offers 11.5 ft/s fast heating and comes with a remote control and thermostat for easy adjustments. Designed for versatility, it features 3 heating modes and essential safety measures such as overheating and tip-over protection. Perfect for large rooms, bedrooms, and offices, this portable heater in an elegant gold color combines style and functionality.

Pros:

• Fast heating at 11.5 ft/s
• Comes with a remote control
• Thermostat for precise temperature control
• Three heating modes for flexibility
• Overheating and tip-over protection for safety
• Portable and easy to move
• Stylish gold color
• Ideal for large rooms, bedrooms, and offices

Cons:

• Weight of 7.26 pounds might be heavy for some
• Height of 25 inches may not fit in all spaces
• Gold color may not match all decor

The Dreo Space Heater stands out with its fast heating capability, making it an excellent choice for quickly warming up any room. The inclusion of a remote control and thermostat allows users to easily manage the temperature and settings without having to move from their spot. Additionally, the three heating modes provide flexibility to cater to different heating needs, ensuring comfort in various situations. Safety is a top priority with the overheating and tip-over protection, giving users peace of mind while using the heater.

While the Dreo Space Heater is packed with features, its weight and height may pose challenges for some users. Weighing 7.26 pounds, it might be a bit heavy for frequent relocation, and its 25-inch height may not be suitable for all spaces. Moreover, the gold color, while stylish, may not complement every interior decor. Despite these minor drawbacks, the heater’s overall performance and safety features make it a valuable addition to any home or office seeking efficient and reliable heating solutions.

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Comprehensive Buying Guide for Space Heaters

Key Factors to Consider

1. Heating Technology and Efficiency

• Infrared Heating: Offers instant warmth and is energy-efficient, like the Heat Storm Phoenix
• Convection Heating: Provides whole-room warming, ideal for larger spaces
• ECO Modes: Look for smart thermostats that regulate temperature automatically

2. Safety Features

Essential safety features to look for:

• Tip-over protection
• Overheat protection
• ETL certification
• Flame-resistant materials
• Cool-touch surfaces

3. Installation and Portability

Consider your space requirements:

• Wall-mounted options save floor space
• Portable units with wheels offer flexibility
• Dual installation options provide versatility

4. Smart Features and Controls

Modern conveniences to consider:

• WiFi connectivity for remote operation
• Digital thermostats for precise temperature control
• Programmable timers
• Remote controls for convenience

5. Room Size and Power Output

Match the heater to your space:

• 1500W units typically heat 150-200 sq.ft effectively
• For 400 sq.ft, consider using multiple units or positioning strategically
• Account for ceiling height and insulation quality

Additional Considerations

• Noise level: Important for bedrooms and offices
• Energy efficiency: Look for ECO modes and adjustable settings
• Maintenance requirements: Easy-clean filters and surfaces
• Warranty coverage: Longer warranties indicate better quality

Frequently Asked Questions

What Is The Best Space Heater For 400 Sq Ft?

The Heat Storm Phoenix HS-1500-PHX is an excellent choice. It offers energy efficiency, remote control, and can be wall-mounted.

Can I Use The Kegian Heater In A Large Room?

Yes, the KEGIAN 1500W heater is perfect for large rooms. It features an adjustable thermostat and a 12-hour timer.

Is The Duraflame Electric Tower Heater Suitable For Offices?

Absolutely, the duraflame Electric Tower Heater is ideal for offices. It covers up to 1,000 square feet efficiently.

How Does The Air Choice Heater’s 3d Flame Feature Work?

The Air Choice heater’s 3D flame feature adds a realistic and cozy ambiance. It enhances the room’s aesthetic appeal.

Does Givebest Wall Heater Come With A Remote?

Yes, the GiveBest Electric Wall Heater includes a remote control. It also supports WiFi connectivity for easy operation.

Is The Dreo Space Heater Safe For Bedrooms?

Yes, the Dreo Space Heater is safe for bedrooms. It includes overheating and tip-over protection for enhanced safety.

Conclusion

Choosing the best space heater for a 400 square feet area can be a daunting task. Each of the heaters mentioned offers unique features to cater to different needs. The heat storm phoenix hs-1500-phx is perfect for versatile mounting options.

The kegian space heater provides great portability and adjustable thermostat features. Duraflame electric tower heater is ideal for larger spaces with its oscillating function. Air choice 36″ space heater impresses with its 3d flame effect and multiple modes. Givebest electric wall heater adds convenience with its wifi control and mounting flexibility.

Dreo space heater stands out with its rapid heating and safety features. Consider your specific requirements, whether it’s energy efficiency, design, or advanced control options. By evaluating these features, you can find the perfect heater to keep your space warm and comfortable.

Remember, the right choice enhances both comfort and energy efficiency in your living area.