Comparison: Best Most Energy Efficient Space Heater (Updated | Dec 17th)
When winter’s chill creeps in, your energy bill shouldn’t skyrocket. That’s where energy-efficient space heaters come to the rescue, offering targeted warmth without breaking the bank. We’ve done the legwork, testing and comparing the top contenders to bring you this comprehensive guide.
Editor’s Choice
Best for a specific purpose
- Best for smart eco mode: Dreo Space Heater
- Best for precision thermostat: Dreo Space Heater
- Best for tower oscillator: PELONIS 23” Oscillating Ceramic Tower Space Heater with Remote & Thermostat
- Best for quiet comfort: Dreo Space Heater
- Best for ai-powered efficiency: 3rd-Gen AEOCKY Space Heater with AI Thermostat
- Best for large room heater: Dreo Space Heater for Large Room
- Best for compact personal heater: GiveBest Portable Space Heater – 1500W Quiet & Energy Efficient Overheat & Tip-Over Protection
- Best for whisper quiet: Dreo Quiet Space Heater
- Best for adjustable tilt heat: Dreo Space Heater 1500W
Product Comparison: Best Most Energy Efficient Space Heater
Smart Eco Mode
Dreo Space Heater, 1500W Electric Heaters for Indoor Use with Thermostat, 70° Oscillation, 8 Safety Protections, 5 Modes, Remote, 12H Timer, Quiet Portable Heater for Office, Bedroom, Large Room
Dreo
- ETL-Certified Safety: Made of V0 flame-retardant materials with multiple safety features including built-in smart tip-over protection, overheat protection, 12-hour timer, 24-hour automatic power off without interaction, V0 flame retardant 2-prong plug, and sturdy 6ft long flat power cord. Safe and worry-free all-day use. Safety Reminder: Please do not use with an extension cord. Only plug directly into the wall outlet.
- Fast Indoor Ceramic Heater: Powerful 1500W PTC ceramic heating allows this space heater to heat up in seconds, suitable for warming up spaces in the home including bedrooms, basements, garages, living rooms, and can also be used in offices, dorms, hot yoga studios, etc. Heating Coverage:270 sq.ft.
- Quiet Heating: 34dB – almost as quiet as a library. The fan wheel uses oblique airflow technology, which effectively reduces wind noise and makes the room heater 12% quieter than traditional electric heaters. Calm airflow lets you sleep soundly and work undisturbed during the cold winter
- Uniform Heating: Experience enhanced comfort in large rooms with the exclusive trackball system, engineered for smooth and whisper-quiet oscillation. The 70° wide-angle oscillation, with a lifespan of over 750,000 cycles, boosts heating coverage by 20%, which helps distribute the warm air more evenly towards the room’s corners
- Energy Efficiency: Save on energy bills and live more sustainably. With a built-in precise temperature sensor, the smart ECO mode adjusts the working mode independently (with a low of 900W and high of 1500W to efficiently maintain your desired indoor temperature) based on the ambient temperature
Precision Thermostat
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
Dreo
- Powerful heat that fits everywhere: Dreo space heaters for indoor combines Hyperamics 1500W advanced PTC system with a new heat funnel design to deliver heat within seconds and enhance warm air circulation for up to 200% farther reach than traditional heaters.
- Unbreakable safety: Dreo goes beyond the unexpected to deliver peace of mind with every room heater. The innovative tilt-detection sensor improves accuracy and reliability for better tip-over protection, and built with V0 flame retardant materials, overheat protection, and safety plug, all certified by ETL.
- Ultimate temperature control: The enhanced NTC chipset brings more precision to turn your space heater with thermostat into a smart heating powerhouse, allowing you to set heat on a wider range from 41-95℉ with 1℉ increments, saving you energy while keeping you comfortable.
- Cozy quietness: No more choosing between quiet or warmth, Dreo’s heater for bedroom warms quietly thanks to its brushless DC motor with frictionless performance and a winglet fan design that reduces turbulence, reducing noise to only 34dB.
- Fits into your lifestyle: This portable heater handle makes it easier to carry and is equipped with multiple heating levels and modes to heat as you like (Power heat, ECO, Fan Only). It also features handy extras for a hassle-free experience (remote control, 12-hour timer, mute, child lock, and memory function).
- We Are Always Here for You: To ensure a pleasant experience for everyone while using the heater, it is recommended to carefully read the precautions in the user manual and QSG before use. It is important to note that a hot or loose-fitting plug can be a sign of a worn electrical outlet. We recommend that such outlets be checked and replaced prior to heater use to prevent potential overheating hazards. Let our product experts guide you through any issues or questions you might have with the product at any time with our customer support line.
Tower Oscillator
PELONIS 23” Oscillating Ceramic Tower Space Heater with Remote & Thermostat, Electric Energy Efficient Floor Heater for Indoor Use Large Room Safe with Timer, ECO Mode, 1500W, White
PELONIS
- Fast Heating & Constant Temperature: Ceramic heaters are, typically, the most effective type of electric-resistance radiant heaters. Quickly heat-up to 70°F in 3 second with reliable ceramic heating technology, offering steady comfortable temperature.
- Safety to Use: The PTC indoor space heater made of high quality cool touch flame resistant material. US standard socket can directly plug into outlet without any adapter or extension cord. Overheating & tip-over switch protection to you and your family.
- Programmable Thermostats Heater: Tower heater, with 3 heating options (High, Low, ECO mode) to achieve customized temperature settings with maximized efficiency and warmth. ECO setting automatically helps energy-saving based on your ambient temperature.
- User Friendly Space Heater: Touch Control, remote control, oscillation, 8hours timer and carry handle are features that you can also look for in the quiet electric heater (50dB working noise). Perfect tower heater for your bedroom, living room, office.
- Manufacturer: Pelonis, the American brand heating appliances manufacturer will offer all the consumers a 1-Year manufacture with your purchase. Feel free to contact with us at any time
- Voltage: 110 Volts. Area Coverage 106-167sq.ft
Quiet Comfort
Dreo Space Heater, 1500W Portable Electric Heaters for Indoor Use, PTC Ceramic Heater for Office with Remote, Thermostat, 70°Oscillation, 12H Timer, 5 Modes, Safe Quiet Room Heater for Bedroom
Dreo
- Faster Heat Than Ever: Powered by Dreo Hyperamics Technology, Atom One space heater heats up more efficiently with up to 1500W working power, reaching your desired temperature immediately, letting you feel fast, balmy heat straight away. This electric heater is meant to sit by your feet on the floor, near your hands on a desk, or carry around indoors. Add our heaters for indoors use to your cart & experience our amazing heater and customer service
- Shield360° Protection: Dreo Room Heater Heat up your day and night without worries. ETL-listed Shield360° system provides tip-over and overheat protection, as well as an enhanced safety plug. Along with UL94 V-0 flame-retardant materials to ensure ultimate safety in all aspects
- Save More on Energy Bills: ECO Mode adjusts the heat level automatically to reach your desired temperature while saving more on energy bills. Personalize your own comfort with the digital thermostat from 41 to 95 ℉, adjustable in 1℉ increments. Precise Heat, Precise Comfort
- Warm Any Angle: Experience the heat that envelopes you in the widest way possible. 70° wide-angle oscillation sweeps around to cover the whole area, providing wide-reaching heat for your bedroom, garage, basement, office, desktop, etc
- Engineered to be Quieter: Brushless DC motor and 9 aerodynamic blades smooth out airflow and eliminate air turbulence, delivering soft, tranquil warmth. As quiet as 37.5 dB, you can sleep or work with peace of mind
- Heat the Way You Like: With various modes (High/Medium/Low/ECO/Fan Only), the heat comes in many forms, from powerful heat to more energy-saving ECO heat. Dreo Atom One electric heater with remote control easily provides the balance you want between heat and energy saving
AI-Powered Efficiency
3rd-Gen AEOCKY Space Heater with AI Thermostat, 1500W PTC Electric Heaters for Indoor Use With Remote, 70° Oscillation, Utmost Silence, Safe Portable for Office, Bedroom, Room, Home
AEOCKY
- 【The Era of 3.0 Heater Has Arrived】From 1.0 heater using resistive wire to 2.0 with PTC plates and blade fan, Aeocky has now led the industry into the 3.0 era. The 3.0 heater features innovative Matrix PTC Ceramic Heating Plate and Inclined Blade Cross-Flow Wind Wheel. And it has been fully upgraded with ECO 3.0 Algorithm, 360° Enclosed Shaded-Pole Motor, and Polarized Plug. These innovations aim to address all the shortcomings of old heaters, including low heat, high energy, noise, and low safety.
- 【The 16-Inch 3.0 Heater Offers an Experience That Surpasses the Older 24-Inch Models】16-inch Aeocky 3.0 heater not only outperforms the 24-inch older model in heat output, safety, and energy efficiency, but also achieves utmost silence running and a durability of three years. Technological innovation brings an upgraded experience, allowing the 16-inch model to easily outperform the older 24-inch model! Aeocky has successfully elevated the heater experience to an unmatched new height.
- 【Surging Warmth From the 3.0 Heater】Aeocky heater is equipped with unprecedented 3.0 heating hardware in the industry. Compared to the previous generation’s resistive heating wires and blade fans, the Matrix PTC Ceramic Heating Plate increases heat output by 62%, while the Inclined Blade Cross-Flow Wind Wheel improves airflow and distance by 35% and 21%, respectively! Thanks to the Heatflare tech with a 47% increase in thermal efficiency, Aeocky heater delivers over 1.5 times the heating experience with the same 1500W maximum power!
- 【3.0 ECO Delivers Unprecedented Energy Efficiency】Not everyone dares to use the highest setting for energy-saving tests! Aeocky heater not only enhances thermal efficiency but also features ECO 3.0 tech powered by AI. With millisecond-level calculations and 18 independently controlled ceramic heating modules, Aeocky heater can automatically and dynamically adjust to the optimal output power. This allows our heater to enhance temperature control accuracy to 1°F while being 32% more energy-efficient than traditional ECO models!
- 【The Pinnacle of Quiet Heaters】Aeocky heater has reached the 3.0 utmost silence level, running at only 37dB even at full power! Additionally, Aeocky’s self-developed QuietWave tech provides our heater with an ultra-even frequency spectrum. It is not only quiet to the point of being imperceptible, but it also eliminates the risk of hearing damage caused by long-term appliance noise.
- 【3.0 All-Around Safety Assurance】Aeocky always prioritizes user safety. We have upgraded both the hardware and software of outdated industry heaters, raising safety standards to a new level! With 8 layers of safety protection and over 20 extreme environment tests, it completely eliminates all risks, making this your first heater that you won’t have to worry about regarding safety! (Please ensure that your operations comply with the instructions in the user manual.)
- 【Durability Far Exceeding 3 Years】We firmly oppose the common practice of planned obsolescence in the home appliance industry! We have set durability standards for our products that exceed market expectations, enabling Aeocky heater to undergo a series of rigorous tests, including storage at 158°F, running at -4°F, drop tests, vibrations, and over 3,000 hours of continuous use. We are confident it can provide you with warmth for more than just three winters! No matter what issues you encounter, we’re covered for three years!
- 【Details Always Stand Out】Features include an upgraded 24-H Timer, an 8-meter Remote Control, 70° Wide-Angle Oscillation, Auto Screen Off, Child Lock, ECO Mode and Smart Power-Off Memory. For safety purposes, the heater requires a manual restart by pressing the power button after power recovery. Once turned back on, it automatically restores all your previous settings (child lock and timer are need to be reactivated). Aeocky strictly follows 100% compliance, and when it comes to high-power appliances like heaters, safety is our top priority.
- 【Note】Our heater have multi-layer packaging, so some slight smells from these materials may temporarily remain inside the heater. Therefore, when you first take the product out, you may still detect a very slight smell if you are particularly sensitive. Our user survey found only 2 out of 300 people be able to detect this smell. This type of smell is unavoidable for all modern packaged products, such as clothing and phones. Rest assured, this smell is harmless and unrelated to heater, and it will dissipate quickly with use.
Large Room Heater
Dreo Space Heater for Large Room, 23 Inch Electric Heaters for Indoor Use, 8 Safe Protection Tower, 70° Oscillation, PTC Ceramic with Thermostat and Remote, Quiet, 12H Timer, Bedroom, Office
Dreo
- Twice the heat power: With dual DC motors, this DREO heater doubles airflow at 10ft/s, heats up in 2s, plus a 25% larger heating plate that efficiently warms rooms up to 250 sq.ft.
- Worry-free warmth: With child-lock, safety plug, overheat, tip-over protection and cool-touch housing, this ETL-listed electric heater provides safe, efficient warmth indoors.
- Energy-efficient heating: Save up to 40% on energy with ECO mode, along with precise temp control (41-95°F) in 1°F increments, 3 heat levels, and a fan mode for optimal comfort.
- Even heat distribution: Enjoy a cozy room with 70° wide oscillating, ensuring heat spreads to every corner for consistent warmth, making it perfect for large spaces on chilly days.
- Whisper-quiet comfort: At a mere 34db, this heater brings warmth to your large room without noise disruption. The 12hr timer offers convenience for effortless heating all day long.
Compact Personal Heater
GiveBest Portable Space Heater – 1500W Quiet & Energy Efficient Overheat & Tip-Over Protection, Fast Heating PTC Technology, Ideal for Bedroom, Office & Desk Use, Grey
GiveBest
- 【Portable Personal Heater】This lightweight 6.4″ x 6.4″ x 8.9″ mini heater fits perfectly on desks, office floors, or bedside tables. Its space-saving design with integrated handle easily moves between rooms, efficiently heating up to 200 sq ft while only weighing 2.8 lbs.
- 【3-Mode Ceramic Heater for Instant Warmth】Advanced PTC ceramic heating technology delivers instant warmth in just 3 seconds. Choose from Fan, Low heating(900W), or High heating (1500W) settings to perfectly match your comfort needs. Small and powerful, it saves more energy compared to conventional heaters. Ideal for living room, bedrooms, offices and personal spaces.
- 【Multiple Safety Protection】Equipped with overheat protection (auto shut-off above 176°F) and tip-over protection for instant power cutoff. UL certified for guaranteed safety, featuring flame-resistant materials and reinforced plug design – perfect for homes with kids and pets.
- 【Silent & Comfortable Heating】Enjoy peaceful warmth with whisper-silent operation (≤45dB) that won’t disturb your rest. This heater combines rapid heating with near-silent performance, perfect for restful sleep, focused work, or relaxing at home.
- 【Warranty Protection】Designed with a comfortable built-in handle, allowing you to easily move the space heater to any room you want. Enjoy a 1-year warranty and responsive support, ensuring a worry-free experience and long-lasting satisfaction.
Whisper Quiet
Dreo Quiet Space Heater, 1500W Portable Heaters for Indoor Use with Remote, 70° Oscillation, Fast and Safety Electric PTC Ceramic for Desk Office Bedroom, 12H Timer
Dreo
- Powerful and Efficient Heating: This Dreo Heater 319 space heater for indoor use utilizes a Hyperamics 1500W advanced PTC system, efficiently heating up any space quickly and improving the circulation of warm air. Compared to traditional heaters, Heater 319 can reach areas up to 200% farther, ensuring efficient and widespread heating in home, bedroom, and office
- Cozy Tranquility: Dreo’s heater for bedroom provides whisper-quiet operation, thanks to its brushless DC motor and winglet fan design that minimizes turbulence. Enjoy warmth in serenity and ensure a better sleep, with noise levels as low as 34dB
- Comprehensive Safety: The electric heater is built with a child-lock, tip-over protection, V0 flame retardant material, overheat protection, and a safety plug, all certified by ETL. It provides robust safety protections for your family, enhancing safety for children, strengthening defenses against accidents, and ensuring peace of mind for users
- Always at the Perfect Temperature: This heater for home with Thermostat allows you to set your desired heat level within a wide range of 41-95℉ with ±1℉ increments, ensuring precise and efficient heating. This feature not only keeps you comfortable but also helps save energy
- Experience even heat distribution: Our ceramic heater with a 70-degree oscillation function ensures warmth in every corner of your room. Set the heat flow to your preference, directing it in a specific direction or enjoying broader coverage
Adjustable Tilt Heat
Dreo Space Heater 1500W, 60° Adjustable Tilt, 10.5ft/s Portable Electric Heaters for Indoor Use with Thermostat, 8 Safety Protections, 3 Modes, Remote, Quiet Desk Heater for Bedroom, Office, Black
Dreo
- Fast Warm Air Delivery: Powered by 1500W Hyperamics tech, this space heater for indoor use delivers warmth in just 2 seconds and produces 53.9% more heated air than traditional heaters
- Vertical Tilt for Full-Body Warmth: Manually tilt the portable heater from 0°-20°-40°-60°, enjoying warmth from your head to toe. Place it on a table or floor, heating wherever you need it
- Unbreakable Safety: Enjoy peace of mind with the electric heater featuring advanced tip-over protection, V0 flame retardant materials, overheat protection, and a safety plug, all certified by ETL
- Precise Temperature Control: The advanced NTC chipset lets you set your heater for office from 41-95℉ in precise 1℉ increments, delivering smart, energy-saving comfort tailored to your needs
- Enjoy Distraction-Free Warmth: DREO’s desk heater uses a brushless DC motor and winglet fan design to reduce turbulence, operating as quietly as 34dB for peaceful comfort
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What makes a space heater energy efficient?
Energy-efficient space heaters use advanced technology like ceramic or infrared heating to warm rooms quickly while using less power. Look for models with adjustable thermostats and eco modes to optimize energy usage. Features like timers and programmable settings also help reduce unnecessary energy consumption.
How do ceramic and infrared heaters compare in efficiency?
Ceramic heaters heat up quickly and are great for small to medium rooms, offering consistent warmth with less energy. Infrared heaters warm objects and people directly, making them ideal for larger spaces or targeted heating. Both are efficient, but infrared models may save more energy in open areas.
What features should I prioritize for energy savings?
Choose heaters with programmable thermostats, eco modes, and timers to avoid overheating and wasted energy. Overheat protection and tip-over switches ensure safety while maintaining efficiency. Low-wattage models are also better for long-term energy savings.
Are there specific brands known for energy-efficient heaters?
Brands like Dyson, Lasko, and De’Longhi often feature energy-efficient models with advanced heating technology. Look for ENERGY STAR certifications or high customer ratings for efficiency. Always check product specifications for wattage and energy-saving features.
How can I maximize the efficiency of my space heater?
Place the heater in a well-insulated room and away from drafts to retain heat effectively. Use it in conjunction with a ceiling fan to circulate warm air evenly. Avoid using it in large, open spaces where heat can dissipate quickly.
Is a higher wattage heater always more efficient?
Not necessarily—higher wattage heaters produce more heat but consume more energy. For smaller rooms, a lower wattage model (400-800W) may be more efficient. Match the heater’s wattage to your room size for optimal performance.
What’s the difference between eco mode and regular mode?
Eco mode adjusts the heater’s output to maintain a set temperature using less energy. Regular mode runs at a constant power level, which may consume more electricity over time. Eco mode is ideal for prolonged use to save on energy costs.
Are space heaters with timers worth the extra cost?
Yes, timers help prevent unnecessary heating by shutting off the heater after a set period. This feature is especially useful for overnight use or when you forget to turn it off. It can significantly reduce energy waste and lower your utility bills.