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10 Best Energy Efficient Space Heater For Large Room 2025 in the United States
#1
Winner
Dyson Hot+Cool™ AM09 Jet Focus heater and fan
The Dyson Hot+Cool™ AM09 Jet Focus heater and fan is designed to serve dual purposes, both heating and cooling, making it versatile for year-round use. With Air Multiplier technology, it effectively amplifies surrounding air, providing a smooth and uninterrupted stream of airflow. The ceramic plates heat up quickly, which is beneficial for fast heating in colder weather.
Rating
9.9
Chosen by1,443
Heating Capacity (BTUs
Safety Features
Noise Level
Most important from
1756 reviews
#2
Lasko Oscillating Digital Ceramic Tower Heater for Home with Adjustable Thermostat, Timer and Remote Control, 23 Inches, 1500W, Silver, 755320, 8.5″L x 7.25″W x 23″H, Silver
The Lasko Oscillating Digital Ceramic Tower Heater is a solid choice for those seeking an energy-efficient solution to warm large rooms. With a heating capacity of 1500 watts, it effectively distributes heat through its widespread oscillation feature, making it suitable for spaces like living rooms, bedrooms, or home offices. One of its standout attributes is the adjustable thermostat, which helps maintain a comfortable temperature while optimizing energy use. It also boasts two quiet heat settings, allowing for customizable comfort without much noise.
Rating
9.8
Noise Level
Portability
Most important from
68927 reviews
#3
Lasko Oscillating All Season Tower Fan and Space Heater in One for Home with Adjustable Thermostat, Tip-Over Switch, 4 Fan Speeds, 3 Heat Settings and Remote Control, 42 Inches, 1500W, Gray, FH515
The Lasko Oscillating All Season Tower Fan and Space Heater is a versatile choice for large rooms, offering both heating and cooling capabilities. Powered by a 1500-watt ceramic heater and equipped with 4 fan speeds, it effectively warms up a room during cold periods and enhances air circulation during warmer seasons. The heater can oscillate to distribute warmth or cool air evenly, and it features an 8-hour timer for automatic shut-off, adding convenience and energy efficiency.
Rating
9.7
Heating Capacity (BTUs)
Energy Efficiency
Type of Heater
Most important from
4995 reviews
Top 10 Best Energy Efficient Space Heater For Large Room 2025 in the United States
#1
Winner
9.9 score
Dyson Hot+Cool™ AM09 Jet Focus heater and fan
Dyson Hot+Cool™ AM09 Jet Focus heater and fan
Type of Heater: Ceramic
Chosen by 1443 this week
Lasko Oscillating Digital Ceramic Tower Heater for Home with Adjustable Thermostat, Timer and Remote Control, 23 Inches, 1500W, Silver, 755320, 8.5″L x 7.25″W x 23″H, Silver
Lasko Oscillating Digital Ceramic Tower Heater for Home with Adjustable Thermostat, Timer and Remote Control, 23 Inches, 1500W, Silver, 755320, 8.5″L x 7.25″W x 23″H, Silver
Energy Efficiency: energy-efficient
Type of Heater: Ceramic
Safety Features: Overheat Protection, Cool-touch exterior
Noise Level: low
Portability: 7.29 pounds, carry handle
Lasko Oscillating All Season Tower Fan and Space Heater in One for Home with Adjustable Thermostat, Tip-Over Switch, 4 Fan Speeds, 3 Heat Settings and Remote Control, 42 Inches, 1500W, Gray, FH515
Lasko Oscillating All Season Tower Fan and Space Heater in One for Home with Adjustable Thermostat, Tip-Over Switch, 4 Fan Speeds, 3 Heat Settings and Remote Control, 42 Inches, 1500W, Gray, FH515
Energy Efficiency: 1500-watt ceramic heater
Type of Heater: Ceramic
Safety Features: Tip-over switch, Overheat protection
Portability: Lightweight, 11.5 pounds, Carry handle
Dr Infrared Heater Portable Space Heater, Original, 1500-Watt, Cherry (Pack of 1)
Dr Infrared Heater Portable Space Heater, Original, 1500-Watt, Cherry (Pack of 1)
Heating Capacity (BTUs): 5200
Energy Efficiency: Auto Energy Saving, adjustable thermostat
Type of Heater: Infrared quartz, PTC
Safety Features: Tip-over, overheat protection
Noise Level: 39 dB
Portability: Caster wheels
Heat Storm Phoenix HS-1500-PHX, Infrared Space Heater with Attachable Feet, Remote Control, Energy Efficient-750-1500 Watts, Gray Floor or Wall
Heat Storm Phoenix HS-1500-PHX, Infrared Space Heater with Attachable Feet, Remote Control, Energy Efficient-750-1500 Watts, Gray Floor or Wall
Heating Capacity (BTUs): 5200 BTUs
Energy Efficiency: Energy Efficient
Type of Heater: Infrared
Safety Features: Overheat Protection, Safe to touch
Noise Level: Noisy
Portability: Portable, 8 pounds
Related Products
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Lasko Oscillating Digital Ceramic Tower Heater for Large Rooms, with Adjustable Thermostat, Timer and Remote Control, 29 Inches, 1500W, Black, 5586
Lasko Oscillating Digital Ceramic Tower Heater for Large Rooms, with Adjustable Thermostat, Timer and Remote Control, 29 Inches, 1500W, Black, 5586
Energy Efficiency: Adjustable thermostat, auto-off timer
Type of Heater: Ceramic
Safety Features: Overheat protection, Cool-touch exterior
Noise Level: Two quiet settings
Portability: 7.92 pounds, Tower design
PELONIS Oil Filled Radiator Heater for Indoor Use Large Room with Remote, Electric Space Heater with Thermostat, Energy Efficient with ECO Mode, 24H Timer, Quiet, Overheat & Tip-Over Protection, 1500W
PELONIS Oil Filled Radiator Heater for Indoor Use Large Room with Remote, Electric Space Heater with Thermostat, Energy Efficient with ECO Mode, 24H Timer, Quiet, Overheat & Tip-Over Protection, 1500W
Energy Efficiency: ECO mode
Type of Heater: Oil filled radiator
Safety Features: tip-over protection, auto shutoff, flame-retardant
Noise Level: noiseless
Portability: wheels and handles
PELONIS Champagne Oil Filled Radiator Heater with Remote and Thermostat, 5 Temperature Settings for indoor use Large Room, Energy Efficient Electric Space heater with Safety Features
PELONIS Champagne Oil Filled Radiator Heater with Remote and Thermostat, 5 Temperature Settings for indoor use Large Room, Energy Efficient Electric Space heater with Safety Features
Energy Efficiency: Energy Efficient, ECO mode
Type of Heater: Oil Filled Radiator
Safety Features: Overheat Protection, Tip-Over Safety
Noise Level: Whisper-quiet
Portability: Caster Wheels, Carrying Handle
De'Longhi Dragon Digital Oil Filled Radiator Heater, 1500W Electric Space Heater for indoor use, programmable timer, Energy Saving, full room heater with safety features TRD40615E
De'Longhi Dragon Digital Oil Filled Radiator Heater, 1500W Electric Space Heater for indoor use, programmable timer, Energy Saving, full room heater with safety features TRD40615E
Energy Efficiency: ECO Plus
Type of Heater: Oil Filled Radiator
Safety Features: Child lock, thermal cut-off, anti-freeze
Noise Level: Quiet
Portability: Ergonomic handles, snap-on wheels
#10
7.9 score
De'Longhi Oil filled Radiator Heater, 1500W Electric Space Heater for indoor use, portable room heater, Energy Saving, full room like office and bedroom with safety features, EW7707CM
De'Longhi Oil filled Radiator Heater, 1500W Electric Space Heater for indoor use, portable room heater, Energy Saving, full room like office and bedroom with safety features, EW7707CM
Energy Efficiency: Enhances efficiency by up to 20%
Type of Heater: Oil Filled Radiator
Safety Features: Thermal cut-off, rounded design
Noise Level: Quiet
Portability: Handles, smart snap wheels
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Buying Guide for the Best Energy Efficient Space Heater For Large Room
Choosing the right energy-efficient space heater for a large room involves understanding several key specifications that will ensure you get a heater that is both effective and economical. The goal is to find a heater that can adequately warm your space without consuming excessive energy. Here are the key specifications you should consider and how to navigate them to find the best fit for your needs.Heating Capacity (BTUs)Heating capacity, measured in British Thermal Units (BTUs), indicates how much heat a heater can produce. This is crucial because it determines whether the heater can effectively warm your large room. For large rooms, you typically need a heater with a higher BTU rating. Generally, a room of 300-400 square feet requires around 10,000-12,000 BTUs. To pick the right one, measure your room's size and choose a heater with a BTU rating that matches or slightly exceeds the required capacity.
Energy EfficiencyEnergy efficiency refers to how well a heater converts energy into heat. This is important because a more efficient heater will use less electricity to produce the same amount of heat, saving you money on energy bills. Look for heaters with an Energy Star rating or those that mention high energy efficiency. To pick the right one, consider models that offer features like programmable timers, adjustable thermostats, and eco-modes, which help in reducing energy consumption.
Type of HeaterThere are different types of space heaters, including convection, radiant, and fan-forced heaters. Each type has its advantages. Convection heaters are good for evenly heating large spaces, radiant heaters are ideal for direct, quick warmth, and fan-forced heaters distribute heat quickly but can be noisier. To pick the right one, think about how you plan to use the heater. If you need to heat the entire room evenly, a convection heater might be best. If you need quick, direct heat, consider a radiant heater.
Safety FeaturesSafety features are critical in preventing accidents and ensuring safe operation. Important safety features include overheat protection, tip-over switches, and cool-to-the-touch surfaces. These features help prevent fires and burns, making the heater safer to use, especially in homes with children or pets. To pick the right one, look for heaters that prominently advertise these safety features and read user reviews to ensure they perform as expected.
Noise LevelNoise level is an important consideration, especially if you plan to use the heater in a bedroom or living area where quiet is appreciated. Some heaters, particularly fan-forced models, can be quite noisy, while others, like oil-filled radiators, operate almost silently. To pick the right one, consider where you will use the heater and how much noise you can tolerate. If you need a quiet environment, look for heaters that are specifically noted for their silent or low-noise operation.
PortabilityPortability refers to how easy it is to move the heater from one place to another. This is important if you plan to use the heater in different rooms or need to store it away when not in use. Features that enhance portability include wheels, handles, and a lightweight design. To pick the right one, consider how often you will need to move the heater and choose a model that offers convenient portability features.