Comparison: Best Space Heater For 300 Sq Ft Room (Updated | Dec 16th)
Struggling to keep your 300 sq ft space cozy without cranking up the thermostat? You’re not alone. Finding the perfect space heater can feel like navigating a galaxy of options, but we’ve done the cosmic heavy lifting for you. Get ready to transform your chilly room into a toasty haven with our expert picks that won’t leave your wallet in the cold.
Editor’s Choice
Best for a specific purpose
- Best for dual heating power: Dr Infrared Heater Portable Space Heater
- Best for elegant infrared heating: Infrared Heater for Indoor Use
- Best for rapid warmth delivery: Dreo Space Heater for Large Room
- Best for tall tower coverage: Space Heater for Indoor Use
- Best for efficient convection panel: Ballu Convection Panel Heater
- Best for panoramic infrared warmth: Ballu Mica Infrared Space Heater Indoor Use
- Best for flame effect heater: Uthfy 32″ Space Heater for Large Room
- Best for reliable panel heating: Ballu Convection Panel Space Heater for Large Room
- Best for 360° room radiator: Landeagle Space Heaters for Large Room
- Best for smart ceramic heating: FLANUR 1500W PTC Ceramic Smart Space Heaters for Indoor Use
Product Comparison: Best Space Heater For 300 Sq Ft Room
Dual Heating Power
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)
Elegant Infrared Heating
Infrared Heater for Indoor Use, LifePlus 1500W Electric Space Heater for Large Room 300 Sq.Ft, 3 Mode Thermostat, 12H Timer, Remote Control, Room Heater with Tip-Over & Overheat Protection Home Office
LifePlus
- 【 Powerful Infrared Heating for Large Spaces】: This infrared space heater delivers whole-room comfort, efficiently warming areas up to 300 sq.ft. Its advanced infrared technology provides consistent, gentle heat that feels natural and doesn’t dry out the air.
- 【 Advanced Safety for Total Peace of Mind】: Engineered with family in mind, this electric infrared heater features dual safety systems. It automatically shuts off instantly if tipped over or if internal components overheat and it has a child lock feature (activated by pressing and holding the up and down panel simultaneously for three seconds). The cool-to-touch exterior makes this tower heater a safe and trustworthy choice for homes with children, pets, or busy households
- 【 Precision Control with Remote Convenience】: Customize your comfort with three targeted modes: High (1500W), Low (750W), and an energy-saving ECO mode. Set your ideal temperature (59°-86°F) and use the 12-hour timer for automated operation. The included remote control allows you to adjust every setting from the comfort of your couch or bed(Please Note: Two AAA batteries are required for remote control use and are not included)
- 【 Eco-Friendly Savings】: Save approximately 40% on electricity with the energy-efficient 68°F eco mode. This infrared heater is designed for indoor use and provides powerful warmth while being kind to your wallet. A true energy efficient space heater
- 【Elegant, Portable Design for Any Space 】: More than just a heater; it’s a piece of home decor. The classic wood finish complements any interior style. The compact footprint (24.3″x10.8″x9.6″) and built-in carry handle make it easy to move this energy efficient space heater from your living room to your garage or basement. It’s the perfect, powerful large space heater that looks beautiful everywhere
- Please Note: A faint plastic odor during the initial use of your heater is normal and temporary. This is caused by the heating of a protective coating or residual manufacturing oils and typically dissipates after one or two uses. It does not affect performance or safety.
- Please Note:To ensure proper heat dissipation, always place the heater at least 3 feet away from walls or other objects. If the heater stops working due to poor heat dissipation, unplug the power cord, allow the unit to cool, and then plug it back in to resume operation. Do not block the air vents or place the heater in confined spaces
Rapid Warmth Delivery
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.
Tall Tower Coverage
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.
Efficient Convection Panel
Ballu Convection Panel Heater,1500W Space Heater for Large Room Indoor use with Programmable Thermostat,WiFi App Control,Smart Quiet,Works with Alexa,Black
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
Panoramic Infrared Warmth
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
Flame Effect Heater
Uthfy 32″ Space Heater for Large Room, 1500W Electric Heater for Indoor Use with 24H Timer & 3D Flame, 120° Oscillation, ECO Mode, Child Lock, Remote, Portable Tower Heater for Room, Bedroom Office
Uthfy
- 🔥Rapid, Wide-Coverage Heating: Boasting a 32-inch height and 120° oscillating design, this space heater distributes warm air across large spaces—ideal for 400 Sq.ft rooms! Powered by PTC ceramic heating technology, the 1500W heater delivers instant warmth in just 1 seconds, quickly reaching your desired temperature without lengthy waits
- 🔥Stunning 3D Flame Effect: More than a heater—this 1500W electric heater doubles as a decorative centerpiece! Its lifelike 3D dancing flames create a cozy, inviting ambiance, blending functional heating with visual comfort that elevates any room decor, multifunctional gift for Christmas, or other festivals
- 🔥Energy-Saving and Cost-Effective: Customize your heating with 2 power modes (1500W high/1000W low) and a precise thermostat (50°F-99°F, 1°F increments). Instead of wasting energy on central heating, heat only the spaces you use—plus, the thermostat maintains a consistent temperature to slash electric bills
- 🔥Dual Control Modes and Portable Design: You can operate effortlessly via the top LED control panel or included remote—adjust power, heating modes, oscillation, temperature, 24-hour timer, flame settings, and screen on/off from your sofa or bed. The 24-hour timer and quiet 25 dB performance guarantees undisturbed comfort in sleeping,working or relaxing. Featuring a hidden handle and lightweight build, this portable heater is perfect for home, office, or any space needing targeted warmth
- 🔥Engineered for Safety: Designed for families with kids and pets, this room heater includes V0-grade flame-retardant materials, an enhanced safety plug, overheat protection, and tip-over shutoff. For extended durability, the indoor heater features a 30-second post-shutdown cooling to fully dissipate heat from the heating element
Reliable Panel Heating
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
360° Room Radiator
Landeagle Space Heaters for Large Room, Whole-Room Heating, 1500 W Radiator Electric Heater with Tip-over & Overheat Protection, Heaters with Remote Control, 12H Timer for Indoor Office Use(26IN)
Landeagle
- 🔥【360° Whole-Room Heating | Large Space Optimized】 Powered by advanced mica heating technology, this radiator heater delivers 1500W of powerful, 99% efficient warmth. Its 360° surround heating ensures even heat distribution across spaces up to 400 sq ft—making it ideal for bedrooms, offices, and living rooms. Wherever you are, experience consistent, enveloping comfort
- 🔥【3-Mode Energy Optimization with ECO Control】 Choose from 1000W (energy-saving), 1500W (fast heating), or smart ECO mode. The programmable thermostat (50°F–95°F) adjusts in 1° increments to automatically minimize energy use while keeping your ideal comfort
- 🔥【Retractable Drying Rack & Skin-Friendly Humidification】 This portable heater features a built-in foldable towel warmer to keep clothes dry and cozy. Its humidification tank adds moisture to the air, helping prevent dry skin and nasal discomfort—even after long periods of use
- 🔥【Child & Pet Safe Certified Heater】 Enjoy total peace of mind with this indoor heater’s advanced safety features. It includes triple overheat protection, flame-resistant materials, tip-over switch, anti-burn plug, child lock, and 7-layer safety verification. UL and FCC certified for guaranteed safety
- 🔥【Silent, Wind-Free Heating with Multi-Control Options】 Experience ultra-quiet warmth with the Landeagle convection heater—no fan, no noise, and no harsh light. Easily control your comfort using the remote, touch panel, or 12-hour timer. Equipped with smooth-rolling wheels and a convenient handle for easy movement between rooms
- Attention：The product does not light up during operation. The heating effect shown is for design purposes only. Please refer to the images without the heating effect for accurate representation
Smart Ceramic Heating
FLANUR 1500W PTC Ceramic Smart Space Heaters for Indoor Use, Portable Heater with Remote & App Control for Large Room, Office, ECO Modes, Safety Protection, 70° Oscillation, 12H Timer, Black, 1 Pack
FLANUR
- Portable Heater with Smart Control: FLANUR Space Heater supports voice control via App ‘Havaworks’ (compatible with Alexa & Google Assistant). The built-in memory function of the space heaters for indoor use restores your favorite settings automatically, while the ergonomic carry handle allows for easy portability between rooms
- Powerful Electric Heaters for Indoor Use: Equipped with advanced 1500W PTC ceramic heating technology, rapidly warms up spaces up to 300 sq.ft., make it an ideal room heater for office, Powerful heater for bedroom. This 29-inch Space heaters for indoor use large room has a 70° oscillation that pushes heat across the entire space
- Experience Undisturbed Sleep and Focus: This Space Heater Office or bedroom use could operates at a whisper-quiet 23-36 dB, our room heater features a disableable button sound, and an auto-dimming screen to eliminate all noise and light disruptions. FLANUR space heater for indoor use, customize your comfort bedroom or office with the 0-12 hour timer
- FLANUR’s ETL-certified space heaters for indoor use built with V-0 flame-retardant materials. The optional 24-hour auto-shutoff (manually enabled) and child lock functions of our space heater provide an extra layer of security, ensuring ultimate peace of mind for any household
- Multiple modes space heaters for indoor use: Manage your comfort heat mode with FLANUR space heater control panel/remote/APP. Instantly enjoy warmth with heat mode(H1-H3), ECO mode can precisely adjust your desired temperature within a range of 5-35°C / 41-95°F, The Fan-Only mode is designed for warmth air circulation(not used as a fan)
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 a 300 sq ft room?
Look for a heater with at least 1,500 watts of power, as this is typically sufficient for rooms up to 300 sq ft. Consider features like adjustable thermostat, multiple heat settings, and safety certifications like UL or ETL. Portability and noise level are also important factors to evaluate.
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 provide instant, targeted warmth without drying the air. Ceramic models are often more affordable, but infrared heaters may be more energy-efficient for prolonged use. Both can effectively heat a 300 sq ft room if properly sized.
Are tower heaters or baseboard heaters better for 300 sq ft spaces?
Tower heaters are compact and ideal for even heat distribution, while baseboard heaters provide consistent, low-profile warmth along the floor. Tower heaters often include oscillation for better coverage, but baseboard models may be quieter. Choose based on your room layout and heating preferences.
What safety features should I prioritize?
Look for overheat protection, which shuts the heater off if it gets too hot, and tip-over switches for added stability. Cool-touch exteriors are essential to prevent burns, especially in homes with children or pets. Ensure the heater has a sturdy base and a long, durable power cord.
How much does it cost to run a space heater in a 300 sq ft room?
Running a 1,500-watt heater for 8 hours a day can cost around $1.50 to $2.00 daily, depending on your electricity rates. Energy-efficient models with eco modes can help reduce costs by adjusting power usage. Consider timers or smart thermostats to minimize unnecessary operation.
Can a space heater replace central heating for a 300 sq ft room?
A space heater can effectively supplement central heating or warm a single room, but it may not be sufficient as a full replacement in colder climates. For occasional use or zoned heating, it’s a cost-effective solution. Ensure proper insulation to maximize efficiency.
What are the best brands for 300 sq ft space heaters?
Top brands like Dyson, Lasko, and De’Longhi offer reliable models with advanced features for medium-sized rooms. Budget-friendly options from Honeywell or Vornado also perform well. Check reviews for specific models to ensure they meet your heating needs.
How do I maintain a space heater for optimal performance?
Regularly clean the heater’s vents and filters to prevent dust buildup, which can reduce efficiency. Store it in a dry place when not in use to avoid damage. Follow the manufacturer’s guidelines for any additional maintenance or inspections.