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If you are looking for one of the best smart space heaters you can buy right now, this blog post covers seven great options.
Stay Toasty My Friends
Last week, my old bedroom heater finally gave out, and I knew it was time for an upgrade for my larger space as well as the small rooms in my crib.
But choosing among infrared heaters, oil-filled radiators, ceramic heaters, and more finding the best electric space heater can feel overwhelming.
After 16 hours of research, I found the best smart space heaters out there, and let me tell you, they’ve come a long way. Today’s models are safer, more portable, and more energy-efficient than ever.
Many now come with app control and voice activation; three of the heaters I found are Alexa-compatible, making it easy to adjust the heat without leaving the couch.
And with modern safety features like tip-over and overheat protection, you can feel confident using them in any room. For more on home fire safety this winter, visit the NFPA at nfpa.org.
OK, let’s find the best space heater for you!
Top 3 Best Smart Space Heaters Compared
Here is a comparison table summing up the key features and specifications of my top three picks for the best smart space heaters that work with Alexa:
Last update on 10/28/2025 / Affiliate links / Images from Amazon Product Advertising API
Note: Primary heating refers to the heater’s main coverage area, while supplementary heating is the additional area it can support alongside an existing heat source.
#1. Editor’s Choice: Ballu Mica
Sizing It Up
- Heating Range: Up to 250 sq. ft. (primary), or up to 500 sq. ft. (supplementary)
- Heating Power: 1500 Watts
- Heater Type: Convection
- Safety: Tip-over protection, overheat protection, child lock
- Works with Alexa: Yes and Google
- Dimensions: 29.5 x 10.6 x 10 inches
- Weight: 13.2 pounds
Why It’s Hot
After over 16 hours of research, I found the Ballu Mica Infrared Space Heater to be one of the best smart space heaters for providing warm air to larger spaces in your home. Designed for efficient heating, it quickly reaches a target temperature, making it a reliable space heater for rooms up to 250 sq. ft. for a primary area and 500 sq. ft. for a supplementary area in larger spaces, such as a living room or home office.
Equipped with smart features like Alexa compatibility, a digital display, and remote control, this electric heater lets you adjust settings easily. It also has safety features, including a tip-over switch and overheat protection, ensuring safe usage during cooler months. For an affordable and energy-efficient solution, the Ballu Mica offers the overall best value among the electric space heaters I researched and tested.
Pros
- Generates warmth quickly with Hedgehog Heating Element
- Energy-efficient and affordable for its features
- Alexa compatibility and multiple control options
- Safety features: tip-over, overheat protection, child lockl
- Flexible setup: freestanding or wall-mounted
Cons
- Takes 1-2 hours to heat larger rooms fully
- App could be more user-friendly
Video Review
🎥 Video Credit: It’s the Dave Show
Turn any room into a cozy smart oasis with this sleek, Alexa-enabled heater that delivers powerful, whisper-quiet warmth and effortless control.
#2. Premium Pick: Dyson Purifer Hot+Cool
Tech Specs
- Heating Range: 350 Square Feet
- Heating Power: 1575 Watts
- Heater Type: Bladeless Convection
- Safety: Auto Shutoff
- Works with Alexa: Yes
- Dimensions: 30.1 x 8.1 x 6 in.
- Weight: 19.07 pounds
Why It’s Hot
The Dyson Pure Hot + Cool is more than just a heater; it doubles as an air purifier, making it an excellent choice for those with allergies or a central heating system in need of support. This one of the most popular best smart space heaters that combine fan heater technology with a HEPA filter, efficiently warming your entire room while purifying the air. With a bladeless design and Wi-Fi connection, this model offers voice control via Alexa and smartphone control, allowing users to set temperature goals remotely.
The Dyson Pure Hot + Cool’s digital display shows real-time room temperature in degrees Fahrenheit, helping you adjust heat settings precisely. This model excels in eco mode, providing energy efficiency and low noise levels. Although pricier, its multi-functionality and high performance make it one of the top picks for electric heaters.
Pros
- Heats and cools with the same device
- Projects air into the whole room
- Offers smartphone app and Alexa integration
- Purifies the air in your home through HEPA filter (captures 99.97 percent of allergens)
Cons
- Occasional Android connection issues
- High initial cost
- Need to purchase replacement filters once a year
Video Review
Check out this excellent video review from Erin Lawrence of TechGadgets Canada.
Heats, cools, and purifies your air year-round with smart sensing technology and even airflow across your entire room.
#3. Best Smart Tower Heater: PELONIS
Sizing It Up
- Heating Range: 300 Square Feet
- Heating Power: 1500 Watts
- Heater Type: Oscillating Tower
- Safety: ETL Listed with Tip-Over and Overheat Protection
- Works with Alexa and Google Assistant: Yes
- Dimensions: 30 x 7.5 x 7.5 inches
- Weight: 7 pounds
Why It’s Hot
Next on my list of the best smart space heaters, the PELONIS 30-Inch Smart Electric Heater offers versatile, energy-efficient heating ideal for large rooms, bedrooms, and offices. This powerful tower heater quickly heats up spaces up to 300 sq. ft. using an enhanced PTC heating element, ensuring rapid and even warmth. With its smart connectivity, you can control the heater using the PELONIS app or voice commands through Alexa and Google Assistant, providing convenient and hands-free operation.
This model operates quietly, making it perfect for bedrooms or workspaces. With features like a programmable thermostat, ECO mode, and 24-hour timer, it’s an efficient, high-tech choice for targeted indoor heating throughout the cooler months.
Pros
- Smart app and voice control
- Multiple heat settings, including ECO mode
- Fast and even heating with 75° oscillation
- Quiet operation for bedrooms and workspaces
Cons
- Limited remote range
- Some users report a delay in app response
Portable tower radiator offering customizable heat settings and built-in safety features for quiet, consistent warmth all day.
#4. Best for Multi-Room: Heat Storm HS-1500
Sizing It Up
- Heating Range: 750 sq. ft.
- Heating Power: 1500 Watts
- Heater Type: Infrared
- Safety: Safe to Touch
- Works with Alexa: No
- Dimensions: 21.8 x 16.4 x 7.6 inches
- Weight:9 pounds
Why It’s Hot
The Heat Storm HS-1500 is a powerful infrared heater capable of warming larger spaces up to 750 sq. ft., making it ideal for multiple rooms. With Wi-Fi connectivity, this model allows you to control it via a smartphone app, and it provides fast spot heating, perfect for various parts of your home. Designed for wall mounting, it saves floor space and is a good option for users looking to add extra warmth to a high-traffic area.
This portable heater includes a cool-to-touch protective grill, making it safe around children and pets. Its safety standards include overheat protection, meeting National Fire Protection Association recommendations. Overall, this is one of the best smart space heaters that is a reliable, energy-saving technology option that helps reduce heating bills during cooler months.
Pros
- Easy to use smartphone app control
- 1500 watts of power for extreme heat range
- Safe-to-touch protective layer
- Dedication to efficient energy consumption
Cons
- Limited setting adjustments
- No Alexa or Google integration
Wall-mountable infrared heater with WiFi control that provides quick, even warmth and smart scheduling for small to medium spaces.
#5. Best Traditional: De’Longhi Oil-Filled Radiator Heater
Sizing It Up
- Heating Range: 300 Square Feet
- Heating Power: 1500W
- Heater Type: Oil-Filled Radiator
- Safety: Thermal Cut-Off, Low Surface Temp Design
- Works with Alexa: No
- Dimensions: 13.8 × 9.1 × 24.8 inches
- Weight: 23.4 pounds
Why It’s Hot
The De’Longhi Oil-Filled Radiator Heater delivers gentle, full-room heat without the dryness or noise of fan-based models. Its diathermic-oil system provides long-lasting warmth ideal for bedrooms, offices, or medium-sized living spaces. While not Wi-Fi connected, it earns its place among the best smart space heaters for efficiency and comfort-thanks to its auto-regulating ComfortTemp mode, which optimizes temperature and power for up to 20% energy savings.
This heater’s exclusive thermal slot design maximizes radiant heat flow while maintaining a safe surface temperature, preventing accidental burns. The silent operation makes it an excellent choice for night use or shared spaces, and its sealed oil reservoir never needs refilling-delivering consistent warmth for years. With integrated wheels, a carry handle, and simple analog controls, it balances reliability, safety, and portability effortlessly.
Pros
- ComfortTemp mode for automatic temperature regulation
- Gentle radiant heat-no fan noise or dry air
- Excellent safety: low surface temp and thermal cut-off
- Durable sealed-oil design requires zero maintenance
- Smooth-glide wheels and handle for easy movement
Cons
- Takes longer to warm up than ceramic heaters
- Bulkier than compact tower models
- No Wi-Fi or voice-assistant control
Delivers steady, silent warmth using radiant oil heat that keeps air comfortable while efficiently heating full rooms with minimal energy waste.
#6. Best for Small Space: Dreo Whole Room Heater
Sizing It Up
- Heating Range: 200 Square Feet
- Heating Power: 1500 Watts
- Heater Type: Ceramic Forced Air
- Safety: Tip-Over, Overheat Protection, Flame-Retardant Housing
- Works with Alexa: No
- Dimensions: 9.8 × 7.5 × 5.5 inches
- Weight: 6.45 pounds
Why It’s Hot
The Dreo Whole Room Heater takes small-space heating to the next level. Despite its compact footprint, this unit produces up to 1500 watts of powerful, evenly distributed warmth-making it one of the best smart space heaters in its class for apartments, bedrooms, and offices.
Its 3D airflow system pushes heat at 12 ft/s with both 60° vertical and 90° horizontal oscillation, ensuring fast, room-wide comfort. The PTC ceramic heating element provides 2-second instant heat while maintaining efficiency through ECO Mode, which automatically adjusts output between 41-95°F to balance warmth and energy savings.
Noise-conscious users will appreciate its brushless DC motor and Bionic Blade fan, which operate at a whisper-quiet 34 dB-ideal for work or sleep environments. With tip-over and overheat protection, an ETL safety certification, and flame-retardant housing, it’s designed for worry-free operation while still feeling premium and portable.
Pros
- 3D oscillation covers an entire small room evenly
- Whisper-quiet operation at just 34 dB
- ECO Mode regulates power to reduce energy usage
- Fast 2-second ceramic heating
- Sleek, compact design fits desks and nightstands
Cons
- No Wi-Fi or smart-assistant integration
- Limited coverage for larger spaces
- Lightweight body may shift easily on thick carpet
Enjoy fast, even heat anywhere with this portable Ballu mica-infrared heater — lightweight, silent, and built for quick comfort and efficiency.
#7. Best for Large Rooms: Heat Storm 1000
Sizing It Up
- Heating Range: 500 sq ft.
- Heating Power: 1000 Watts
- Heater Type: Infrared and Convection
- Safety: Cool to Touch
- Works with Alexa: No
- Dimensions: 13 x 17 x 4″
- Weight: 8 lbs
Why It’s Hot
The Heat Storm 1000 is one of the best smart space heaters for warming large rooms, with a coverage area of up to 500 sq. ft. This tower heater uses infrared and convection heating to produce warm air evenly throughout the space, ideal for family rooms or open-plan areas. The control panel includes easy-to-use heat settings and shows the current room temperature, giving you control over the environment.
It operates safely with a cool-to-touch exterior and tip-over protection. Although not a budget option, this reliable space heater is well worth it for those needing consistent, high heat in larger spaces. The Heat Storm 1000 also offers energy efficiency to help keep your heating bills in check.
Pros
- Safe-to-touch protective layer
- Smartphone app control
- One-year manufacturer’s warranty
- Small, compact design
- Surprisingly light
Cons
- Limited heat setting options
- Few customers reported issues with app connectivity
Video Review
Thanks to our friends over at Heat Storm for the helpful video overview of their top-rated wall heater:
Wall-mountable infrared heater with WiFi control that provides quick, even warmth and smart scheduling for small to medium spaces.
Best Smart Space Heaters Buying Guide
When choosing one of the best smart space heaters for your home, focus on comfort, safety, and efficiency. Whether you’re comparing a Vornado AVH, a De’Longhi TRD, or another portable space heater, your best choice depends on room size, heater type, and energy costs—especially if you want to lower your heating bill while maintaining a comfortable temperature.
Factor #1: Room Size
Finding one of the best smart space heaters starts with matching its heating capacity to the size of the space. A traditional space heater may warm a standard-sized room, while a heat pump or infrared space heater suits a small area using less energy. Choosing the right type of heater ensures balanced warmth and efficiency.
- Calculate Square Feet: Measure length × width for total square foot coverage. Many ceramic space heaters list heating capacity or maximum temperature to make comparing easy.
- Determine Wattage Needs: About 10 watts per square foot—so a 150 sq. ft. cold room needs roughly 1,500 watts. The Vornado VH is a great space heater for smaller areas that don’t need much heat.
- Convert Watts to BTUs: Multiply by 3.41 to see how efficiently the heater circulates hot air across the front of the unit.
- Consider Layout: Large windows or poor insulation reduce performance. In a spot-heating test, compact models deliver quick heat for a little while but require more power for long term comfort.
Factor #2: Safety Features
Homes with young children or small children should prioritise safety precautions. The best smart space heaters now include smart sensors, automatic shut-offs, and certifications confirming safe long term use.
- Tip-Over Safety Switch: Cuts power if knocked over—ideal for families with pets or kids.
- Tip-Over Test: Ensures compliance with safety standards across top-rated models.
- Overheat Sensors: Common in the best energy-efficient space heaters to prevent damage during extended use.
- Certification: UL or ETL labels verify compliance for use across the United States.
- Cord Design: Choose a heavy-duty cord rated for an electrical device running continuously.
Factor #3: Heater Type
When lookinv for one of the best smart space heaters, you should note that different types of space heaters offer unique advantages.
- Infrared Heaters: Radiant warmth for one specific area—a personal space heater that uses less energy while maintaining steady heat output.
- Convection Heaters: Circulate hot air quickly, perfect for small areas or cold rooms needing fast heat.
- Hydronic Version: Uses fluid to retain heat longer with low noise level—ideal for bedrooms or offices.
- Ceramic Space Heaters: Durable, efficient, and often include touch controls or an included remote control for ease of use.
- Fan-Only Mode: Works like air conditioners for year-round comfort.
Factor #4: Smart Wi-Fi Features
Modern designs rival air conditioners in convenience. The best smart space heaters connect to Alexa or Google Assistant, allowing remote control or even a quick phone call to adjust settings.
Many top picks feature scheduling, usage reports, and automation that lower power consumption without losing warmth.
Factor #5: Efficiency & Energy Use
Energy efficiency affects both comfort and cost. The best smart space heaters include eco-modes, timers, and thermostats to provide warmth with less energy while maintaining a comfortable temperature.
- Programmable Timers & Schedules: Manage energy costs automatically.
- Usage Monitoring: Compare to the national average or your home’s energy bill.
- Power Modes: Low setting, highest setting, and fan-only mode adjust to the size of the space.
- Extra Features: Voice control, auto-restart, and timers provide the best option for reliable, long term performance.
During extensive testing, reviewers highlight the best smart space heaters for strong heat output, quiet operation, intuitive ease of use, and dependable safety—qualities found in premium top picks like the Vornado AVH and De’Longhi TRD.
With the right sizing, smart features, and safety design, even a little heater can be a great space heater—the best smart space heater for long term comfort, lower energy costs, and dependable warmth all winter.
Space Heater Safety Tips Infographic
All of the best smart space heaters featured here are perfectly safe if used in accordance with the manufacturer’s instructions, and many include safety features including anti-tip and auto-shutoff capabilities. Here’s an infographic I put together that covers four common-sense space heater safety tips.
Nationwide also has an infographic with additional safety tips I thought I would share.
Best Smart Space Heaters – Your Turn
So what do you think about my top pick for the best smart space heaters?
Do you already own or plan to buy one of these units?
Is smart speaker integration with Alexa or Google Assistant an important consideration for you? How about smartphone control?
I would love to get your feedback. Please leave me a comment below.
Oh, and if you found this article helpful, would you mind giving a quick share using any of the social media buttons at the top of this page? Thanks!
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ABOUT THE AUTHOR
Tim Brennan
Tim Brennan, a tech blogger and YouTuber @TecTimmy, writes about smart homes at oneSmartcrib, home theaters at UniversalRemoteReviews, and AI in writing at Writeinteractive. He holds a Journalism degree from Northeastern University and has covered technology for well over three decades. He lives on the ocean in Massachusetts.
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