Best Large Space Heaters

Keep bigger rooms warm and comfortable with the best large space heaters, ranked by customer review ratings. Whether you’re adding warmth to a spacious living room, home office, or basement, explore customer favourites and compare heating capacity, adjustable temperature settings, and safety features to find the right fit for your space.

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What to look for in large space heaters

1. Heating Coverage

Check the manufacturer’s suggested room size rather than relying on the heater’s physical size alone. High ceilings, draughts and insulation can affect how well a heater warms a large space.

2. Heater Type

Fan-forced ceramic heaters help circulate warm air, while oil-filled radiators provide gradual, steady warmth. Infrared heaters warm people and objects directly, making them useful for targeted comfort rather than evenly heating an entire room.

3. Safety Features

Look for overheat protection, automatic tip-over shutoff and safety certification recognized in Canada. Follow the manufacturer’s clearance requirements and plug portable electric heaters directly into a wall outlet, not an extension cord or power bar.

4. Temperature Controls

An adjustable thermostat and multiple heat settings help you maintain a comfortable temperature. Timers, remote controls and oscillation can add convenience, especially when using a heater in a larger room.
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  1. 1

    SENGOKU Heatmate Indoor And Outdoor Portable Convection Kerosene Space Heater

    About this product

    A portable convection kerosene heater providing powerful warmth for both indoor and outdoor spaces.

    (14)
    $438.99 Your price for this item is $438.99
  2. 2

    COSTWAY 3-In-1 Mini-Split Air Conditioner - 22K Btu (1500 Sq Ft Coverage) - 23Db, Heat, Remote - Grey, White

    About this product

    A WiFi-enabled mini split system offering efficient cooling, heating, and self-cleaning for year-round comfort.

    (1)
    $1,398.99
    SAVE $1301
    Your price for this item is $1398.99
  3. 3

    CONDOMOUNTS Zebozap Kdht1500 Infrared Electric Patio Heater w Strap to Post | Wall Mounted Gazebo Outdoor Heater, Space Heaters for Indoor 1500W

    About this product

    An infrared electric heater delivering instant warmth, featuring weatherproof design, safety shut-off, and versatile mounting options.

    (1)
    $150.00
    SAVE $96
    Your price for this item is $150
  4. 4

    SENGOKU Keroheat 23, 500 Btu Indoor & Outdoor Portable Convection Kerosene Heater

    About this product

    A portable convection kerosene heater providing 23,500 BTU for reliable indoor and outdoor warmth.

    (15)
    $614.99 Your price for this item is $614.99
  5. 5

    SENGOKU Heatmate Economic Portable Indoor/outdoor Radiant Kerosene Space Heater

    About this product

    A portable kerosene space heater for indoor and outdoor use, providing efficient warmth during cold months.

    (15)
    $392.99 Your price for this item is $392.99
  6. 6

    NORDIC HYGGE Electric Space Heater 1500W With 3 Heating Mode, Thermostat, Remote Control & 12H Timer In Dark Walnut

    About this product

    A dark walnut electric space heater featuring three heat modes, thermostat, remote control, and 12-hour timer.

    What customers like

    • Produces ample heat
    • Simple to operate
    • Heats up quickly
    • Efficient heating performance
    • Compact size
    (69)
    $219.95
    SAVE $80
    Your price for this item is $219.95
  7. 7

    PureGuardian Oscillating Tower Fan - 27" - Black

    About this product

    An oscillating black tower fan and 1,500-watt heater offering year-round comfort with a slim design.

    (8)
    $139.98 Your price for this item is $139.98
  8. 8

    SENVILLE 1500W Ceramic Tower Space Heater

    About this product

    A powerful ceramic tower space heater with adjustable thermostat, remote control, and oscillating function.

    (6)
    $89.99 Your price for this item is $89.99
  9. 9

    DeLonghi Dragon Radiant Digital Heater - Black

    About this product

    A black digital radiant heater with 1500 watts, adjustable thermostat, and programmable timer for consistent warmth.

    What customers like

    • Energy-saving features
    • Quiet operation
    • Effective and powerful heating
    • Portable and compact design
    • Easy to use and set up
    (33)
    $179.99 Your price for this item is $179.99
  10. 10

    COSTWAY 1500W Electric Oil Filled Radiator Space Heater Thermostat Room Radiant

    About this product

    "Effectively and quickly heat any room of the house with the timer oil-filled radiator. This heater's unique design allows heated air to rise faster and...

    "Effectively and quickly heat any room of the house with the timer oil-filled radiator. This heater's unique design allows heated air to rise faster and gain high speed, producing hotter air than a standard oil-filled radiator. The user-friendly control panel offers an adjustable thermostat and three heat settings to customize your heating needs and optimize energy-efficient operation. | COSTWAY 1500W Electric Oil Filled Radiator Space Heater Thermostat Room Radiant | COSTWAY 1500W Electric Oil Filled Radiator Space Heater Thermostat Room Radiant"

    (3)
    $169.99
    SAVE $58
    Your price for this item is $169.99

Why a bigger heater doesn’t always mean more warmth

A chilly living room can make even a comfortable sofa feel less inviting, especially when you’re settling in for a film and cold air seems to collect around your feet. The Best Large Space Heaters bring targeted warmth to the rooms where you spend the most time, whether that’s a spacious family room, a finished basement or a home office above an unheated garage. They’re useful for supplementing your main heating system when one part of the house stays cooler than the rest, though performance depends on more than the size of the heater. Floor area, ceiling height, insulation and draughts all affect how warm a room will feel. An open staircase or adjoining hallway also gives heated air more space to travel. When comparing options, look at the manufacturer’s stated room coverage alongside the heater’s wattage and intended use, rather than assuming a taller or heavier model will heat a larger area.

The type of heat makes a noticeable difference to everyday comfort. Fan-forced ceramic heaters distribute warm air and can be a practical choice when you want a room to feel more comfortable soon after you arrive. Oscillation helps spread that airflow, which is useful in a seating area where warmth needs to reach more than one spot. Oil-filled radiators take longer to warm up but provide steady heat without the sound of a fan, making them appealing for reading, working or watching television at a low volume. Radiant heaters deliver more direct warmth to people and nearby objects, so placement matters, particularly in a large room. Many household plug-in heaters have similar maximum wattage, meaning a larger casing does not necessarily deliver more heat. For a generous floor plan, the right match depends on how the unit distributes warmth as well as its rated coverage. A heater suited to a closed living room may not provide the same comfort across an entire open-concept main floor.

Small conveniences often make the biggest difference once a heater becomes part of your daily routine. An adjustable thermostat helps maintain a more consistent temperature, while multiple heat settings let you choose between a stronger initial boost and a gentler level of warmth. Clear controls and an easy-to-read display are especially welcome when you’re adjusting the temperature from your desk or beside an armchair. A remote control saves getting up in the middle of a film, and a timer can help limit a heating session while you’re present. If the heater will move between rooms, consider its weight, carrying handles, castors and storage footprint. Noise is worth checking, too: a fan that blends into a busy family room may stand out during a quiet video call. For someone furnishing a first apartment or making a finished basement more comfortable, a thoughtfully chosen heater can be a practical gift, provided it suits their room, available outlets and household needs.

Safe placement deserves as much attention as heating performance. Look for features such as overheat protection and a tip-over shut-off, especially in frequently used rooms, but remember that these do not replace careful use. Place the heater on a stable, level surface and follow the manufacturer’s clearance requirements, keeping it away from curtains, bedding, furniture and other combustible materials. Plug an electric space heater directly into a suitable wall outlet rather than an extension cord or power bar, and avoid running other high-wattage appliances on the same circuit. Keep cords out of walkways, supervise use around children and pets, and turn the heater off before leaving the room or going to sleep. With the right capacity, controls and placement, a large space heater can make that cool corner by the window or downstairs sitting area a much more comfortable place to spend time.

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FAQ

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