Comparison: Best Space Heater For 300 Sq Ft (Updated | Dec 17th)
When winter’s chill creeps into your cozy 300-square-foot space, finding the perfect heater becomes a top priority. We’ve done the legwork to bring you the ultimate showdown of space heaters that’ll keep you toasty without breaking the bank. From whisper-quiet operation to energy-efficient designs, we’ll compare the top contenders that strike the perfect balance between performance and practicality. Say goodbye to shivering and hello to your new favorite winter companion—it’s time to discover which heater will reign supreme in your personal comfort zone.
Editor’s Choice
Best for a specific purpose
- Best for infrared powerhouse: Dr Infrared Heater Portable Space Heater
- Best for whisper-quiet heating: Dreo Space Heater
- Best for smart wall solution: Dreo Smart Wall Heater
- Best for efficient convection: Ballu Convection Panel Space Heater for Large Room
- Best for rapid room warmer: Dreo Space Heater for Large Room
- Best for wide-angle comfort: Lasko Ellipse Ceramic Tower Heater for Home with Tipover Switch
- Best for sleek tower design: Space Heater for Indoor Use
- Best for ultra-quiet operation: Dreo Space Heater Large Room
- Best for panoramic infrared: Ballu Mica Infrared Space Heater Indoor Use
Product Comparison: Best Space Heater For 300 Sq Ft
Infrared Powerhouse
Dr Infrared Heater Portable Space Heater, Original, 1500-Watt, Cherry (Pack of 1)
DR. INFRARED HEATER
- Can heat up a large room with Auto Energy Saving Model With High and Low Feature. Tip-over protection and Overheat protection.Heat Up for a large room – Dual Heating System: Infrared Quartz tube + PTC for 60% more heat than others. Rated around 5200 BTU.
- Dual Heating Systems featuring infrared quartz tube + PTC with 12-Hour automatic shut-off timer. Amperage: 12.5 Amps
- IR Remote Control, High Pressure Low Noise Blower with Noise level 39 dB super quiet. Heating can cover for a large room.
- Electronic Thermostat: range 50 to 85 degrees. Caster Wheels and Lifetime Filter
- Weights 24 lbs and uses 12.5 Amps of Power. 1500 Watts. Power Cord is 72-inch-long (6 Feet)
Whisper-Quiet Heating
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 1000W and high of 1500W to efficiently maintain your desired indoor temperature) based on the ambient temperature
Smart Wall Solution
Dreo Smart Wall Heater, Electric Space Heater for Bedroom 1500W, 120° Vertical Oscillation, Adjustable Thermostat, Remote Control, 24H Timer, Easy-Mount Heater for Indoor Use, Works with Alexa, WH719S
Dreo
- Widespread Warmth: Dreo’s 120° wide oscillation heating distributes warm air evenly from top to bottom, helping to bring fast heat to every corner of your room more efficiently than regular wall-mounted heaters.
- Smart Control, Seamless Lifestyle: Schedule room heating hours to match your routine, access your heater settings from anywhere with the Dreo app, or even use your voice to control it thanks to Alexa and Google Home compatibility.
- Fast and Accurate Temperature Control: Set the room temp as you like, choose from 41 to 95°F range with an unprecedented 1°F accuracy. Dreo’s PTC ceramic space heater brings fast and steady heating for an exceptional comfort experience.
- Ready for a Good Night Sleep: This smart heater for bedroom automatically adjust its LED panel brightness to low-light conditions, while it delivers warmth with lower noise, making sure nothing interrupts your sleep.
- Hassle-free Installation, Stress-free Maintenance: Get your space heater mounted easily. The package comes with all accessories including a convenient drilling guide with easy to follow steps. Keeping your wall-mounted heater like new is super convenient thanks to its reusable filter and detachable design.
- Heating Coverage: To ensure maximum warmth and comfort, use as a primary heat source for 200 sq. ft. areas, or up to 750 sq. ft. as a supplementary source. Check if your room has proper insulation for optimum efficiency.
Efficient Convection
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
Ballu
- 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
Rapid Room Warmer
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.
Wide-Angle Comfort
Lasko Ellipse Ceramic Tower Heater for Home with Tipover Switch, Child Lock, Digital Display, Thermostat, Wide Oscillation, Remote, Timer, For Bedroom, Office, Living Room, Den, 1500W, Black, CT18950
Lasko
- BRILLIANTLY DESIGNED: Lasko’s newest sleek wide curved design space heater offers excellent heat distribution along with safety features like a ceramic insert plug to prevent overheating, a tip-over sensor, a child lock, and cool touch housing so you can enjoy your cozy space with peace of mind
- 120° HEAT DISTRIBUTION: The Ellipse 18″ Space heater is ideal for medium sized to large rooms, it features a wider grill and widespread oscillation, allowing for 120° degree heat distribution throughout your room. This tower heater is perfect for the home office, bedroom or living room
- USE 50% LESS ENERGY: Save energy with the Auto ECO Mode. The Auto Eco Mode automatically adjusts the tower heater’s output to keep a comfortable temperature while conserving energy. You can still crank it to high and feel the heat from over 5ft away
- 3 HEAT SETTING & 2 FAN SETTINGS: Use the Touch Sensing controls to select from 3 heat settings and 2 fan settings to customize your comfort, the large digital display is easy to read and features auto-dimming technology. The included remote control offers convenience, letting you operate this space heater from the comfort of your bed or sofa
- AUTO-OFF TIMER: The timer on the Ellipse tower space heater can be set for up to 12 hours, then it will automatically turn off after the selected time. The timer can be set in 30-minute increments up to 2 hours, and then in 1-hour increments up to 12 hours
- MULTI-FUNCTION REMOTE CONTROL: The 7-function remote control offers convenience from a distance, turn the heater on/off, select the heater speed, set the timer, select the mode, adjust the temperature, turn the oscillation on/off and snooze the display lights all from the comfort from you bed or sofa. Plus, there is storage for the remote on the back of the space heater
- QUIET OPERATION: This portable space heater operates at <40dB, allowing for maximum heating without the noise
- TRUSTED FOR GENERATIONS: Lasko has been a leader in the home comfort category since we started in Pennsylvania back in 1906. The Ellipse line builds on our legacy of safety with its power cord overheat protection
Sleek Tower Design
Space Heater for Indoor Use, 34″ Space Heater for Large Room, 1500W Tower Heater with Remote, Adjustable Thermostat, 12H Timer, 70° Oscillation, Overheat & Tip-Over Protection, White
G-Ocean
- FAST AND FAR-REACHING HEAT. The 1500W PTC ceramic space heater delivers quick, comforting warmth in just seconds and heats up to 150% farther than many traditional models. With its 34-inch tower height and 70° wide oscillation, this space heaters for indoor use distributes heat evenly from floor to ceiling, keeping every corner of small to medium rooms (up to 250 sq. ft) cozy.
- SLEEK DESIGN, EASY TO FIT. Slim and stylish, the tower heater takes up little space and slips easily into any room. With a modern look, it blends right in with your home. Lightweight and portable, it features a sturdy wide-angle handle that makes moving the electric heater from the living room to the bedroom or even the office effortless.
- 360° SAFETY PROTECTION. Built with multiple safeguards, including a tip-over switch, overheat shut-off, and flame-resistant materials, this unit stands out among reliable heaters for indoor use. ETL certification ensures safe operation day and night, making it a dependable space heater large room option you can trust without worry.
- SMART CONTROL, FULL CONVENIENCE. Adjust the heat without leaving your seat using the included remote. The digital thermostat (60–90°F) and intuitive touch panel give you precise control, while 2 heat modes and a 1–12 hour timer let you set a personalized, energy-saving schedule. Designed to perform as one of the most efficient heaters for indoor use large room, it keeps comfort within easy reach.
- WHISPER QUIET HEATING. This room heater runs smoothly in the background, so it won’t interrupt your work, rest, or sleep. Even at 1500W power, it remains a reliable silent room heater, delivering steady heat day or night with minimal sound.
Ultra-Quiet Operation
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
Dreo
- 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.
Panoramic Infrared
Ballu Mica Infrared Space Heater Indoor Use,Large Room Panel Heater with Programmable Thermostat,WiFi App Control,Portable Stand or Wall Mount,Energy Efficient Smart Quiet Heater,Work with Alexa,White
Ballu
- Your Reliable Companion:Wrapped in a durable all-metal design,the Ballu Mica Infrared Heater uses premium mica panels to provide gentle,far-infrared warmth that lasts for decades.From chilly mornings to long winter nights,it’s the heater you can count on—reliable,long-lasting, and backed by a 2-year warranty
- 180°Panoramic Heating:Imagine stepping into a room where warmth flows in every direction.With 10-second heat-up and 180°wide coverage,this heater wraps your space in a blanket of even,soothing heat—from floor to ceiling,corner to corner
- Ultimate Control at Your Fingertips:Whether you’re working, relaxing,or winding down for the night,the Ballu heater makes it easy to stay comfortable in large spaces.Choose quick adjustments with the remote,precise settings on the digital panel,or smart scheduling and voice control via the app—a heating solution that truly fits your routine
- Up to 37% Energy Cost Saving:The Ballu Large 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:Enjoy whisper-quiet heating and gentle,even warmth that turns any room into a cozy retreat.The Ballu Heater helps minimize dryness while keeping comfort steady—perfect for focused work,movie nights,or peaceful sleep
- Enhanced Flexibility and Style:Adapt your comfort to any space with the Ballu Infrared Heater. Roll it from room to room on portable casters or mount it neatly on the wall—both options are fast and easy.Perfect for bedrooms,offices,living room,apartment,or greenhouses,it combines modern style with versatile heating
- Perfect Safety for Your Family:Safety meets warmth with this indoor heater,featuring an insulated metal case,flame-retardant cord,and a secure plug.Added protections—auto shut-off if tipped,overheat prevention,and a 24-hour timer—let you enjoy family time or a good night’s sleep with complete confidence
- 120 Volts
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 should I look for in a space heater for 300 sq ft?
Look for a heater with at least 1,500 watts of power, as this is typically sufficient for rooms up to 300 sq ft. Ensure it has adjustable thermostat settings and safety features like tip-over and overheat protection. Consider portability and noise level if you plan to move it frequently or use it in quiet spaces.
How do ceramic and infrared heaters compare for this room size?
Ceramic heaters heat the air quickly and are great for small to medium rooms, while infrared heaters warm objects directly, making them more efficient for larger spaces. For 300 sq ft, infrared heaters may provide more consistent heat, but ceramic heaters are often quieter and more affordable. Choose based on your preference for heating speed and energy efficiency.
Are there any energy-efficient features to prioritize?
Look for heaters with eco modes or programmable timers to reduce energy consumption when not needed. Some models also have energy-saving thermostats that automatically adjust heat output. These features can help lower electricity bills while maintaining comfort.
What safety features are essential for a space heater?
Tip-over protection is crucial, as it shuts off the heater if it’s accidentally knocked over. Overheat protection prevents the unit from getting too hot and causing a fire hazard. Cool-touch exteriors are also important, especially if you have pets or children.
How do I determine the best value for my budget?
Compare the heater’s wattage, safety features, and additional functions like remote controls or oscillation. Higher-priced models often offer better durability and energy efficiency, which can save money long-term. Balance upfront cost with potential energy savings to find the best value.
Can a space heater effectively warm a 300 sq ft room?
Yes, a 1,500-watt heater can adequately warm a 300 sq ft room, but proper placement is key. Position it in a central location away from drafts for even heat distribution. For poorly insulated rooms, consider a heater with a higher wattage or supplemental heating.
What are the pros and cons of oil-filled radiators for this space?
Oil-filled radiators provide steady, long-lasting heat and are quiet, making them ideal for bedrooms. However, they take longer to warm up and are heavier than other types. They’re a good choice if you prioritize consistent heat over quick heating.
Should I choose a heater with oscillation?
Oscillation helps distribute heat more evenly across the room, which is useful for larger spaces like 300 sq ft. However, it may slightly reduce heating speed compared to a fixed-direction heater. If even heat distribution is important, opt for an oscillating model.
How do I maintain a space heater for optimal performance?
Regularly clean the heater’s filter and vents to prevent dust buildup, which can reduce efficiency. Check the power cord for damage and ensure the heater is placed on a stable surface. Proper maintenance extends the lifespan and safety of your heater.