12 Best Space Heaters for Large Rooms in 2017

As winter approaches, millions of Americans look for heating solutions to keep them warm during those long dreary days and nights. Even people with high-end HVAC systems can still have a room in the home that is chilly, such as the basement, large family rooms or garages.

Consumers that want to stay warm have more options than ever before, and while that is great, it can be quite confusing if you’ve only used heaters built-in to your walls or floorboards.

We’re going to streamline the process with our handy buying guide. Here we provide you with a list of the best space heaters for large rooms and share some shopping tips that will help you select the right one for your needs and budget.

Top 12 Space Heaters for Large Rooms Table

DesignNameHeating TypeTimerRating (1-5)
  1. Lasko 6435 Designer Series Ceramic Oscillating Heater Ceramic 7 hours 4.4
  2. Ivation Portable Electric Space Heater Infrared 12 hours 4.4
  3. Vornado VH10 Vortex Heater Electric None 4.3
  4. Honeywell HCE840B Heat Genius Ceramic Heater Ceramic 2 hours 4.3
  5. Dr. Infrared Heater Portable Space Heater Infrared 12 hours 4.2
6. DeLonghi HMP1500 Mica Panel Heater Micathermic None 4.1
7. Lifesmart Medium Room Infrared Heater Infrared 12 hours 4.1
8. DeLonghi EW7707CM Safe Heat 1500W ComforTemp Portable Oil-Filled Radiator Convection None 4.1
  9. Lifelux 1500 Watt 110 Volt 15 Amp Revolutionary Infrared Electric Heater  Infrared 12 hours 4.1
  10. Bionaire Silent Micathermic Console Heater Micathermic None 4.0
  11. DeLonghi HCX9115E Slim Style Convector Heater Convection 24 hours 3.9
  12. Mill Convection 1500W Heater Convection Unknown 3.8

How Big Is the Room You’re Trying to Warm Up?

When you are dealing with a heater in your home, safety is the first thing that’s going to come into most consumers’ minds. That and questions like which is the best heater for large room usage and what kind of upkeep is required? Before we get to that, think about the size of the room you are trying to heat as that determines the power of the heater you need or the style in some cases.

You can always rely on the manufacturer’s recommendation when it comes to heater size, but there is another option if you know the square footage of the room you’re trying to heat. As we did not include any gas-powered models, you can use wattage as your guideline.

Figure on around 10-watts of power for each square foot of the room if you want to ensure optimal heat, not underwhelming warmth. In other words, if your room is 250 square feet, shoot for a 2,500-watt heater.

Heater Type

As mentioned, all of our heaters are electric, so you can plug them into a wall jack. The design and the heating elements are where things can get tricky, so we’ve broken things down for the more exotic models below.

  • Ceramic – This style of heater can take on many forms, and can even borrow tech from other types of heaters. They generally have a fan to help push warm air around the room and in various sizes. You can pick tall tower heaters or short ones with a cool touch as there are more options with this style than others.
  • Infrared – Infrared heaters are ideal for rooms large and small by providing quick heat when you need it. They can resemble antique pieces of furniture and put off “direct heat” instead of simply raising the air temperature and using a fan.
  • Convection – Like ceramic heaters, convection models can come in many shapes and forms. They can be filled with oil, water or use ceramic plates although they all serve the same purpose. This style of heater works with a medium to produce warm air, and while they are the slowest and can be hot to the touch, they are silent.
  • Micathermic – This is a newer style of space heater which is quiet and puts off a mixture of both convection and radiant heat. They use one or more panels, are smaller than other styles and easy to move from one room to the next.


Do you have pets or small children in your home? If so, space heaters can be a real problem as the first thing you need to think about is the surface of the heater. Some models will blister your skin if you happen to brush against them, while others have guards in place or come with a cool-touch surface. A kill switch is critical as well, and something you will find on (almost) every modern space heater. It will kick on and cut the heater off it its tipped over, something that happens more than you’d think.

One feature that isn’t as common, but just as important for some users will be a timer. They can range from a few hours to overnight and allow you a measure of control over the heating while you slumber or while you are away. Nobody wants to come home to a cold family room or wake up dried out, so consider a model with a timer if you plan on using your heater for extended periods.

Top 5 Best Space Heaters for Large Rooms Reviews

1. Lasko 6435 Designer Series Oscillating Heater

If you are in the market for a heater, that doesn’t actually look like one; you will be impressed with Lasko’s Designer Series. This ceramic space heater can quickly heat up almost any room but resembles a vase and sits on a stand. Needless to say, it’s a far cry from the classic style many of us have come to know.

Is it a funky vase, electric fan or a heater? That’s a question your guests may ask when they first set eyes on the Lasko 6435. Its design will fool you in more ways than one as this one oscillates to ensure heat gets spread around the room and not directed in one spot. It offers up 1500-watts of power and has a 7-hour timer, which should be more than sufficient for most folks. The fan has two speeds and a built-in thermostat for an extra measure of control. On the safety front, you can expect an auto-shutoff feature but not a “tip-over” feature. This one will keep running if it hits the floor although that’s highly unlikely considering its height and weight.

There is a lot to like about this one, and it is among the best space heaters for large rooms due to its sheer power and that oscillating fan. The only negative is the fact it does not have a tip-over feature, which rules this one out automatically for some users.

2. Ivation Portable Electric Space Heater

Ivation has produced some sweet looking heaters, some of which looks like antique furniture from the 50s. This little wonder is an electric unit that uses infrared tech to heat up your home, and while it still looks like a heater, it’s one of the classiest on our list.

At 1500-watts, this space heater has enough power to heat larger rooms, and it will do it in style. This unit sits inside a wooden cabinet with caster wheels on the bottom so you can roll it from room to room with ease. The front has a thermostat panel that allows you to adjust the temperature to suit your needs, but that’s not all it can do. It has multiple heating modes including Eco at 68-degrees and a timer that you can set in 1-hour increments up to 12-hours. Have kids? You’ll appreciate the child lock feature which lets you lock down the control panel and the temperature settings.

This space heater also has a tip-over feature that will shut things off if an accident occurs, and it’s a “cool touch” model, so there’s no need to worry about burns. Throw in a handy remote, and you’ve got yourself a contender for the top infrared heater around.

3. Vornado VH10 Vortex Heater

Vornado’s VH10 Heater is an interesting heater as resembles and functions like a miniature fan. Once you flip it one, you’ll quickly find out this unit is all about heating and geared to get you warm quickly. While it does have a few drawbacks, it’s one of the best space heaters for large rooms thanks to its design.

This fan-based heater will get you toasty, but also leaves a small footprint in your home measuring 12” x 11.7” x 9.3” and weighing only 5 pounds. It is a little light on features as there’s no digital readout or thermostat to control although you will get two temperature settings at 750 or 1500-watts. Other nifty features include a cool touch case and an automatic shut off if it gets too hot or tips over. It comes with a 5-year warranty and sports a 6-foot cord that wraps up underneath when not in use.

The Vortex VH10 is a simple, but effective heater that’s perfect for consumers with medium to large rooms. The highlight of the heater is the Vortex fan system, which circulates heat around the room, but is still quite enough not to overpower the TV or keep you up at night. Unfortunately, there is no timer on this particular model.

4. Honeywell HCE840B Heat Genius Heater

Honeywell is a company that’s been dealing with heating and air in homes for ages. While there’s a good chance you may have a thermostat or various parts from the company, they also produce heaters big and small including the HCE840B Heat Genius.

The small space heater is mighty and lives up to its namesake when it comes to brains. You can set the thermostat to the temperature of your choosing, and there are six other heat settings as well. That includes the ability to set the “level” of heat in case you want it blowing hard or staying towards the floor. It has a 2-hour timer with an auto-off function baked in, and there’s even a quiet mode, something that’s great for bedroom usage.

All the usual safety features are present on this model including a tip feature and a cool touch front. We really like the HeatPhase Timer on the Honeywell HCE840B, and we think you’ll like the amount of money it can save you in the long run when winter rolls around.

5. Dr. Infrared Portable Space Heater

Our second infrared heater comes from the minds at Dr. Infrared and bears a resemblance to Ivation’s heater. It has a similar wooden cabinet and a control panel on the front to go along with caster wheels on the bottom. It also gives consumers the option to keep things moist in case they get dried out in the winter.

As much as a great heater will warm you up, it can also dry you out. That’s unless you have a humidifier on hand, which isn’t ideal if you want to keep your room free from gadgets and cords. This portable space heater has one built in which can add a cool mist to keep your sinuses from drying out. As for the heating, it produces 1500-watts with a temperature range between 50 to 85-degrees and two power settings with an overall rating of 5200 BTU. It won’t do any damage if it happens to tip over and comes with a 12-hour timer to boot.

If you’re not a fan of humidifiers, you can pick up the Dr. Infrared 968 without that feature or in a combo pack. All models come with a remote control and a 3-year warranty. It is quiet, and the only real drawback we see is the grill as it will put off light which may bother some when they’re trying to fall asleep.

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