Comparison: Best Space Heater To Heat A Large Room (Updated | Dec 17th)
Shivering in your spacious living room while your heating bill skyrockets? You’re not alone. Finding a space heater that can actually warm a large area without draining your wallet feels like searching for a unicorn. But what if we told you the perfect solution exists? We’ve done the heavy lifting, testing and comparing the most powerful options to bring you the definitive guide to the best space heaters for large rooms. Say goodbye to cold spots and hello to cozy, consistent warmth that doesn’t break the bank.
- Best for remote control comfort: Lasko Oscillating Digital Ceramic Tower Heater for Large Rooms
- Best for dual motor efficiency: Dreo Space Heater for Large Room
- Best for ultra quiet heating: Dreo Space Heater Large Room
- Best for smart temperature control: Dreo Space Heater
- Best for fully assembled convenience: Lasko Oscillating Digital Ceramic Tower Heater for Home with Adjustable Thermostat
- Best for wide coverage heating: PELONIS 30” Ceramic Tower Space Heater with Adjustable Thermostat for Large Room
- Best for slim energy saver: Honeywell Slim Ceramic Tower Heater
- Best for fast warmth delivery: Dreo Space Heater 1500W
- Best for convection panel design: Ballu Convection Panel Space Heater for Large Room
Product Comparison: Best Space Heater To Heat A Large Room
Lasko Oscillating Digital Ceramic Tower Heater for Large Rooms, with Adjustable Thermostat, Timer and Remote Control, 29 Inches, 1500W, Black, 5586

- POWERFUL WHOLE-ROOM HEATING: Experience comforting warmth with 1500 watts of power and an elongated ceramic heating element that delivers penetrating air velocity to circulate heat evenly throughout the room. Ideal for bedrooms, living rooms, and home offices.
- CUSTOMIZABLE COMFORT WITH QUIET OPERATION: Choose from 2 quiet heat settings—high and low—or select auto mode for thermostat-controlled heating that maintains your desired temperature. The simple electronic controls and easy-to-read digital display make adjustments effortless.
- CONVENIENT FEATURES FOR EVERYDAY USE: An 8-hour auto-off timer lets you set it and forget it, while widespread oscillation ensures full-room heat distribution. The built-in carry handle makes it easy to move the heater from room to room as needed.
- REMOTE CONTROL WITH ON-BOARD STORAGE: Stay cozy on the couch or in bed with the multi-function remote that controls all major functions. When not in use, the remote stores neatly on-board so it’s always within reach and never misplaced.
- SAFE, RELIABLE & BACKED BY WARRANTY: Designed with peace of mind in mind, this space heater is ETL listed and includes a self-regulating ceramic heating element, automatic overheat protection, and a cool-touch exterior. Backed by a 3-year limited warranty for added confidence.
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

- 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.
Dreo Space Heater Large Room, 30″ Electric Heaters with Remote, 120° Oscillation, Adjustable Thermostat, 5 Heat & 3 Fan levels, 8 Safety Protections, 25dB Quiet, 1-12H Timer, Heater for Office, Black

- Powerful and Widespread Heating: Experience instant and efficient warmth with Dreo’s 30″ ceramic heater featuring a 308mm large PTC element, upgraded Hyperamics thermal design, and 30°-60°-90°-120° customizable oscillation, perfect for large rooms up to 300 ft². For optimal performance, please ensure a stable voltage environment in your home.
- All-around Safety: Stay warm this winter with peace of mind. Our heaters for indoor use offers 8 comprehensive protections, including V0 flame-retardant material, cool-touch housing, FortPlug, thermal insulated wiring, child lock, 45° tip-over protection and overheat protection, all certified by ETL.
- Heat the Way You Like: This electric space heater offers 9 comfort levels to suit your needs. Choose from 5 heat levels and ECO mode for optimal warmth, or switch to 3 fan levels to create air circulation.
- Precise Temperature Control: Powered by advanced controllable silicon technology, this energy-efficient space heater provides precise temperature control and up to 50% energy savings, bringing you all-day comfort without worrying about your electricity bills.
- 25 dB Extreme Quietness: Enjoy a warm, comfortable environment without disturbance. DREO’s innovative airflow design reduces noise to an ultra-quiet 25 dB, making this heater for bedroom ideal for a peaceful night’s sleep or a quiet, focused workspace.
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

- 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.
Lasko Oscillating Digital Ceramic Tower Heater for Home with Adjustable Thermostat, Timer and Remote Control, 23 Inches, 1500W, Silver, 755320

- 2 QUIET SETTINGS: This electric space heater features 2 quiet heat settings (high heat and low heat), plus an adjustable thermostat that will maintain the temperature in the room. The optional widespread oscillation feature on this heater evenly distributes warm air throughout the room
- REMOTE CONTROL: Use the multi-function remote control to turn the heater on/off, set the timer, turn the oscillation on/off or adjust the thermostat. For an added convenience, there is storage for the remote control on the back of the heater so it won’t get lost.
- ADJUSTABLE TIMER: This tower space heater features an auto-off timer function. Set the timer from 1-8 hours (in 1-hour increments) and the heater will automatically turn off after the selected timer.
- BUILT-IN SAFETY FEATURES: Overheat protection ensures the space heater does not overheat even if left on for an extended amount of time. While a cool touch exterior keeps the heater cool to the touch even after running for hours. This heater is ETL listed for added safety.
- FULLY ASSEMBLED: Comes fully assembled and ready to use, just take the heater out of the box and have it working it minutes. Simply plug the heater into a wall outlet, adjust the thermostat, and enjoy the warmth from your new Lasko space heater. This space heater stands 23″ high and 7 inches wide and weights only 7.29 pounds. The lightweight design and the built-in carry handle makes it easy to move from room to room.
PELONIS 30” Ceramic Tower Space Heater with Adjustable Thermostat for Large Room, 75° Oscillation, Remote Control & 12H Timer, Tip-Over Switch & Overheating Protection, 1500W, PHF15RSAPH30, Black

- 【RAPID HEATING & CONSTANT TEMPERATURE】Using reliable and effective ceramic heating technology, this powerful 1500W heater quickly heats up to 70°F in 3S, providing a consistent and comfortable temperature. With 26% more hot air vents, you can feel the change from cold to warm quickly and fully.
- 【WIDE HEATING COVERAGE】 Our 30” tower heater can cover up to 280 ft², paired with a 75° wide Oscillation helps the heat cover every corner of the room, perfect choice for large bedrooms and large living rooms.
- 【EASY TO USE】One touch to change the temperature and mode on the digital panel, you can also use the remote control. Choose the most precise and comfortable temperature with 1F of adjustment. In addition, the extra-long 12H timer takes a lot of the hassle out of operation.
- 【4 QUIET SETTINGS】This tower heater has 4 functions (High, Low, ECO, Fan) for customized temperature settings, 2 heat levels and adjustable thermostat setting will meet all your needs, ECO mode maximizes efficiency while maintaining a constant temperature, <55dB operation noise make it perfect for heating a bedroom, home office or anywhere of home.
- 【COMPREHENSIVE SAFETY PROTECTION】Made of high quality V0 flame retardant materials, US standard socket can directly plug into outlet without any adapter or extension cord. Overheating & tip-over switch protection to ensure your whole family worry-free use all day.
Honeywell Slim Ceramic Tower Heater, Large Room, Black – Easy to Use – Slim Space Heater with Two Heat Settings

- SLIM SPACE HEATERS FOR INDOOR USE – Use the Honeywell Slim Ceramic Tower Heater in any room; this tower heater features easy-to-use digital controls with two heat settings: high heat (1500 watts), low heat (750 watts), and a programmable thermostat
- SAFETY MATTERS: This large room heater has multiple safety options including 2x Overheat Protection with an overheat sensor and cut off fuse; these electric heaters for indoor use feature a 360-degree tip over switch, and an auto off timer option
- INCREASE YOUR COMFORT – Always be comfortable, no matter what season it is; this personal heater has a slim design, sturdy base, oscillation and cool touch plastic housing, so it fits into any room in your home and as a space heater for bedrooms
- SMART SAVINGS – Worried about heating costs? Room heaters for indoor use can help you save up to $276* in heating costs this year; a space heater for indoor use can help you save money while providing soothing warmth
- HONEYWELL QUALITY: Help improve heating and energy savings in your home, bedroom or office using Honeywell portable heaters for indoor use; Honeywell offers whole room heaters, tower heaters and oscillating heaters
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

- 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
Ballu Convection Panel Space Heater for Large Room,1500W Electric Heater with Programmable Thermostat,WiFi App Control,Standing or Wall Mount,Smart Quiet Heater for Indoor Use,Works with Alexa,White

- Reliable Winter Warmth That Lasts: Enjoy a cozy home with the Ballu Space Heater, built with a patented Hedgehog Heating Element crafted from aerospace-grade aluminum and protected by an all-metal body. Engineered for long-term performance—tested to deliver warmth season after season. Backed by a 2-year warranty, your purchase is well supported for added peace of mind
- Quick Comfort, Lasting Warmth:With a 36% increase in air contact surface,this heater spreads warmth faster and more evenly.Enjoy heat in just 30 seconds,and experience a cozy environment as it can warm an entire room within 1–2 hours.Ideal for rooms up to 250 sq.ft as a primary heater,and providing supplemental warmth for areas over 500 sq.ft
- Ultimate Control for Large Rooms: Perfect for living rooms or master bedrooms, this heater gives you options—use the remote from the sofa, the sleek digital panel when passing by, or the app with Alexa for effortless voice control. Whether you’re relaxing, working, or getting ready for bed
- Up to 37% Energy Cost Saving:The Ballu Room Heater combines an exposed temperature sensor, adjustable thermostat,and a highly efficient all-aluminum heating element.These features help maintain consistent warmth while optimizing energy use,so you enjoy a comfortable home with smarter,more efficient heating
- Ultimate Comfort Experience: Say goodbye to noise,cold,and dryness.The Ballu Electric Heater quietly fills your space with gentle,consistent warmth—like being wrapped in a soft blanket on a winter night.Whether you’re relaxing,working,or drifting off to sleep,it creates a cozy and peaceful environment that keeps you comfortable all day long
- Enhanced Flexibility and Style:The Convection Panel Heater can be used freestanding with portable casters or easily wall-mounted with the included accessories—no tools required.Its versatile design makes it a perfect fit for bedrooms,offices,living rooms,and apartments,delivering warmth wherever you need it
- Perfect Safety for Your Family: Ballu space heaters for indoor use large room consists of an insulated alloy case, v0-rated flame-retardant power cord,and plug with multiple safety features,including built-in smart tip-over protection,overheat protection,and a 24-hour timer for added peace of mind
- 120 Volt
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 size/capacity should I look for in a space heater for a large room?
For large rooms (typically 300+ square feet), look for heaters with at least 1,500 watts of power, which can generally heat up to 400 square feet efficiently. Consider the ceiling height as well, as rooms with high ceilings may require more powerful units or additional heaters. For rooms over 500 square feet, you might need multiple heaters or consider whole-room heating solutions like infrared heaters.
Are certain types of space heaters more energy efficient for large rooms?
Infrared and ceramic heaters tend to be more energy efficient for large spaces as they heat objects and people directly rather than just the air. Oil-filled radiators are also efficient as they retain heat well and continue warming the room even after turning off. Look for models with programmable thermostats and multiple heat settings to optimize energy usage.
What safety features should I prioritize in a space heater for a large room?
Essential safety features include tip-over protection that automatically shuts off the heater if it falls, overheat protection to prevent fire hazards, and cool-touch exteriors to prevent burns. For large rooms where heaters might run longer, consider models with UL certification and automatic shut-off timers. If you have children or pets, look for heaters with child locks and stable bases.
How do different space heater types compare for heating large areas?
Infrared heaters excel at heating large spaces quickly and efficiently, especially those with high ceilings, as they warm objects directly. Ceramic heaters are great for consistent, even heating and often come with oscillation features to distribute warmth. Oil-filled radiators provide long-lasting, silent heat but take longer to warm up, making them ideal for maintaining temperature in large rooms over extended periods.
How noisy are space heaters, and which types are quietest for large rooms?
Fan-forced heaters tend to be noisiest due to their fans, while infrared and oil-filled radiators operate silently, making them ideal for bedrooms or quiet living spaces. Ceramic heaters fall somewhere in between, with some models featuring quiet technology. If noise is a concern, look for models specifically marketed as ‘silent’ or ‘whisper-quiet’ and check decibel ratings if available.
What should I consider regarding installation and portability for large room heaters?
For large rooms, consider heaters with built-in handles, wheels, or lightweight designs for easy repositioning to target different areas as needed. Wall-mounted options save floor space but require installation and offer less flexibility in directing heat. Measure your room layout beforehand to determine whether a portable or fixed installation would better serve your heating needs.
How quickly can different space heaters warm up a large room?
Infrared heaters provide immediate warmth to objects and people in their line of sight, making them feel effective right away, though they may take longer to raise overall room temperature. Ceramic heaters typically warm up within 5-10 minutes and distribute heat more evenly with their fans. Oil-filled radiators take the longest to heat up (15-30 minutes) but maintain warmth efficiently once they reach operating temperature.
Are smart features worth the extra cost in large room space heaters?
Smart features like Wi-Fi connectivity, voice control, and programmable schedules add convenience, especially for large rooms where you might want to preheat the space before use. These features can also improve energy efficiency by allowing precise temperature control and automatic shut-off when the room reaches the desired temperature. If you’re comfortable with technology and value convenience, smart features are generally worth the modest additional cost.
