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10 Best Energy Efficient Space Heater 2025 in the United States

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Our Top Picks

#1

Winner

Dyson Hot+Cool™ AM09 Jet Focus heater and fan

Rating
10.0
Chosen by1,151
Thermostat Control
Safety Features
Noise Level

Most important from
1825 reviews

Thermostat Control
Perfectly suited for small spaces, keeping rooms comfortable without overheating due to the built-in thermostat and adjustable fan power.
Safety Features
Safe to use with children around as it does not get hot to the touch, avoiding burn risks.
Noise Level
Not suitable for larger spaces, but excels in heating and cooling small areas like a child's room, providing a quiet and comfortable environment.

The Dyson Hot+Cool™ AM09 Jet Focus heater and fan is a versatile device designed for both heating and cooling, making it suitable for year-round use. One of its notable strengths is the Air Multiplier technology, which ensures a smooth and continuous airflow, effectively warming or cooling the space. The heater's ceramic plates heat up quickly, providing rapid warmth in cold weather. Additionally, the Jet Focus control allows you to switch between focused and diffused airflow modes, catering to personal or whole-room heating and cooling needs.

This flexibility is great for both individual comfort and wider coverage based on your needs. The programmable sleep timer is a handy feature, allowing you to set the heater to turn off after intervals ranging from 15 minutes to 9 hours, which can help save energy and provide peace of mind. The remote control is also a thoughtful addition, being curved and magnetized for easy storage on the device itself.

The Dyson Hot+Cool™ AM09 offers impressive heating and cooling performance with useful features like Jet Focus control and a programmable sleep timer.

Rating
10.0
Chosen by1,151
Thermostat Control
Safety Features
Noise Level

Most important from
1825 reviews

Thermostat Control
Perfectly suited for small spaces, keeping rooms comfortable without overheating due to the built-in thermostat and adjustable fan power.
Safety Features
Safe to use with children around as it does not get hot to the touch, avoiding burn risks.
Noise Level
Not suitable for larger spaces, but excels in heating and cooling small areas like a child's room, providing a quiet and comfortable environment.
#2

Dreo Space Heater, Portable Electric Heaters for Indoor Use with Thermostat and Remote, 2024 Upgraded, Digital Display, 12H Timer, 5 Mode, 1500W PTC Ceramic Fast Safety Heat for Office Bedroom Home

Rating
9.7
Energy Efficiency (Wattage and Energy Star Rating)
Safety Features
Noise Level

Most important from
13515 reviews

Energy Efficiency (Wattage and Energy Star Rating)
The heater's Eco mode and precise temperature control ensure it maintains the desired temperature silently and efficiently.
Safety Features
The internal tip-over switch enhances safety, making it a reliable choice for family use.
Noise Level
The brushless DC motor is whisper quiet, making it perfect for use under a desk or in a bedroom.
Portability
It's small but powerful, easy to move between rooms, and the remote control adds great convenience.

The Dreo Space Heater is a solid choice for anyone in need of an energy-efficient heating solution for indoor spaces. With its powerful 1500W PTC ceramic heating system, it offers rapid heat delivery and enhanced air circulation, making it effective for areas up to 200 square feet. This means it can comfortably warm up bedrooms, offices, and living rooms without excessive energy consumption, aligning well with the needs of energy-efficient space heaters.

In terms of energy efficiency, it features precise thermostat control, allowing you to set temperatures anywhere from 41°F to 95°F with 1°F increments. This can help you save on energy bills while keeping your space cozy. Additionally, the heater boasts a range of safety features – including tilt-detection, overheat protection, and flame-resistant materials – making it a reliable option for family environments.

Noise level is another highlight, as it operates quietly at just 34dB, ensuring it won’t disturb your peace, especially in bedrooms. The portability factor is enhanced by its lightweight design and convenient carry handle, making it easy to move between rooms. Plus, the included remote control and timer add to the user-friendly experience.

Rating
9.7
Energy Efficiency (Wattage and Energy Star Rating)
Safety Features
Noise Level

Most important from
13515 reviews

Energy Efficiency (Wattage and Energy Star Rating)
The heater's Eco mode and precise temperature control ensure it maintains the desired temperature silently and efficiently.
Safety Features
The internal tip-over switch enhances safety, making it a reliable choice for family use.
Noise Level
The brushless DC motor is whisper quiet, making it perfect for use under a desk or in a bedroom.
Portability
It's small but powerful, easy to move between rooms, and the remote control adds great convenience.
#3

Dreo Space Heater Indoor, 25" 11.5ft/s Fast Portable Room Heater with Remote and Thermostat, 3 Modes, Overheating & Tip-Over Protection, Electric Heaters for Indoor Use Large Room, Bedroom, Gold

Rating
9.1
Heating Capacity (BTUs)
Energy Efficiency (Wattage and Energy Star Rating)
Thermostat Control

Most important from
10405 reviews

Heating Capacity (BTUs)
Heats an entire room in about two minutes, providing quick and cozy warmth even after being off for a while.
Energy Efficiency (Wattage and Energy Star Rating)
ECO mode smartly adjusts power usage by monitoring room temperature, saving electricity while maintaining comfort.
Thermostat Control
Auto/eco mode effectively maintains desired temperature by turning on and off as needed, enhancing comfort and efficiency.
Safety Features
The heater’s safety features like ETL certification, automatic shut-off on overheating, and tip-over protection offer peace of mind around pets and children.
Noise Level
Extremely quiet operation with a soft hum that doesn’t disturb sleep, making it ideal for bedrooms and offices.
Portability
Lightweight and easy to move, it fits well in various rooms without feeling bulky or cumbersome.

The Dreo Space Heater is a solid choice for anyone looking to warm medium to large indoor spaces like bedrooms or offices efficiently. Its 25-inch tower design and 11.5 ft/s fast heat delivery mean it quickly spreads warmth across areas up to about 270 square feet. The ceramic heating element and adjustable thermostat offer precise temperature control from 41°F to 95°F, helping maintain a comfortable environment without wasting energy. It also features four heating modes including an ECO setting, which helps save power by adjusting heat automatically.

Safety is a strong point here, with ETL-certified overheat and tip-over protection, flame-retardant materials, and a child lock for extra peace of mind. Noise levels are impressively low at 32 decibels, so it won’t disturb your sleep or work. Portability is decent; while it weighs about 7.26 pounds and stands tall at 25 inches, it’s still manageable to move around as needed. While the heater covers most room sizes well, extremely large spaces might need additional heating sources.

This heater delivers fast, quiet, and safe heating with good temperature control, making it a practical option for home or office use, especially if you want a reliable, easy-to-use device without complex settings.

Rating
9.1
Heating Capacity (BTUs)
Energy Efficiency (Wattage and Energy Star Rating)
Thermostat Control

Most important from
10405 reviews

Heating Capacity (BTUs)
Heats an entire room in about two minutes, providing quick and cozy warmth even after being off for a while.
Energy Efficiency (Wattage and Energy Star Rating)
ECO mode smartly adjusts power usage by monitoring room temperature, saving electricity while maintaining comfort.
Thermostat Control
Auto/eco mode effectively maintains desired temperature by turning on and off as needed, enhancing comfort and efficiency.
Safety Features
The heater’s safety features like ETL certification, automatic shut-off on overheating, and tip-over protection offer peace of mind around pets and children.
Noise Level
Extremely quiet operation with a soft hum that doesn’t disturb sleep, making it ideal for bedrooms and offices.
Portability
Lightweight and easy to move, it fits well in various rooms without feeling bulky or cumbersome.

Buying Guide for the Best Energy Efficient Space Heater

Choosing the right energy-efficient space heater can make a significant difference in your comfort and energy bills during the colder months. The key is to find a heater that provides adequate warmth for your space while consuming the least amount of energy. To make an informed decision, you should consider several important specifications. Understanding these specs will help you select a heater that best fits your needs and ensures efficient performance.
Heating Capacity (BTUs)Heating capacity, measured in British Thermal Units (BTUs), indicates how much heat a space heater can produce. This spec is crucial because it determines the size of the area the heater can effectively warm. For small rooms (up to 150 square feet), a heater with 5,000 BTUs is usually sufficient. Medium-sized rooms (150-300 square feet) may require 7,000-10,000 BTUs, while larger spaces (300-500 square feet) might need 12,000-18,000 BTUs. To pick the right one, consider the size of the room you want to heat and choose a heater with an appropriate BTU rating.
Energy Efficiency (Wattage and Energy Star Rating)Energy efficiency is a measure of how effectively a space heater converts electricity into heat. This is often indicated by the wattage and whether the heater has an Energy Star rating. Lower wattage means less energy consumption, but it should still provide adequate heat for your space. Energy Star-rated heaters are certified to be more energy-efficient. For example, a heater with 750-1500 watts is common for most residential use. To choose the right one, look for a balance between wattage and heating capacity, and consider Energy Star-rated models for better efficiency.
Thermostat ControlA thermostat control allows you to set and maintain a desired temperature, which helps in conserving energy and maintaining comfort. This feature is important because it prevents the heater from running continuously, thus saving energy. Thermostats can be either manual or programmable. Manual thermostats are simple to use, while programmable ones offer more precise control and can be set to turn on and off at specific times. Choose a heater with a thermostat that matches your preference for convenience and control.
Safety FeaturesSafety features are essential in a space heater to prevent accidents and ensure safe operation. Important safety features include overheat protection, tip-over switch, and cool-touch exterior. Overheat protection automatically shuts off the heater if it gets too hot, while a tip-over switch turns it off if it is knocked over. A cool-touch exterior prevents burns if touched. When selecting a heater, prioritize models with these safety features, especially if you have children or pets.
Noise LevelNoise level is an important consideration, especially if you plan to use the heater in a bedroom or office. Some heaters can be quite noisy, which can be disruptive. Noise levels are usually measured in decibels (dB). Heaters with a noise level below 50 dB are considered quiet and suitable for most indoor environments. To choose the right one, consider where you will use the heater and opt for a model with a lower noise level if you need a quieter environment.
PortabilityPortability refers to how easy it is to move the heater from one place to another. This is important if you need to use the heater in different rooms or store it away when not in use. Portable heaters often come with features like handles, wheels, and a lightweight design. To pick the right one, consider how often you will need to move the heater and choose a model that is easy to transport and store.

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