With so many best space heaters in the market, finding quality and energy-saving space heater might involve you going through a series of rigorous back and front comparing similar items and checking reviews. Going through this process doesn’t guarantee that you would still find the most energy efficient space heater for your house. Nevertheless, we’re here to help you. 

The reason why you need to pick an energy-efficient heater is for you to pay less money on the heating bill. A space heater that consumes more energy is not a choice because it will be a waste of energy since you will be running it for long hours. 

Particularly for larger rooms, you need nothing less but an energy-efficient space heater that will heat your home faster while saving energy. Unfortunately, most of the energy-efficient heaters are expensive. Besides, you also need a unit that would last you for years. 

Going by the above points of view, locating a space heater that meets the above requirements, can be hard, as such, we have set up this consumer buying guide. We believe with this, an express and no regretful decision can be reached. You can check our space heater reviews below. Meanwhile, you can check our best electric fireplaces reviews and consumer reports guide here.

Most Energy Efficient Space Heater Comparison Table

Product Name
Most Energy Efficient Space Heater Reviews
Lasko 6405 Designer Oscillating Heater Check On Amazon

  • Price: $
  • BTUs: 5118
  • Timer: 7 hour
  • Watts: 1500 W
  • Heat settings: Low/High
  • Weight: 6.5 pounds
  • Dimensions: 7.2 x 7.2 x 16.1

Duraflame DFS-550-21-BLK Maxwell Electric Stove with Heater
Duraflame DFS-550-21-BLK Maxwell Electric Stove with Heater Check on Amazon

  • Price: $$
  • BTUs: 4,600
  • Timer: 7 hour
  • Watts: 1500 W
  • Heat settings: Thermostat
  • Weight: 19.8 pounds
  • Dimensions: 7.2 x 7.2 x 16.1

DeLonghi HMP1500 Mica Panel Heater
DeLonghi HMP1500 Mica Panel Heater Check on Amazon

  • Price: $
  • BTUs: 5118
  • Timer: None
  • Watts: 1500 W
  • Heat settings: Thermostat, and Low/High
  • Weight: 15.43 pounds
  • Dimensions: 27 x 10 x 22 inches

Lasko 751320 Ceramic Tower Space Heater with Remote
Lasko 751320 Ceramic Tower Space Heater with Remote Check on Amazon

  • Price: $
  • BTUs: 1,500
  • Timer: Seven hours
  • Watts: 1500 W
  • Heat settings: Low or High
  • Weight: 8 pounds
  • Dimensions: 7.4 x 8.7 x 23.5 inches

LifeSmart 6 Element Large Room Infrared Heater
LifeSmart 6 Element Large Room Infrared Heater Check on Amazon

  • Price: $
  • BTUs: 5,100
  • Timer: 12-hours
  • Watts: 500w, 750w and 1,500w
  • Heat settings: Eco, low, high settings
  • Weight: 21 pounds
  • Dimensions: 16 x 13 x 16.5 inches


5 Best Most Energy Efficient Space Heater Reviews

1. Best Recommendation: Lasko 6405 Designer Oscillating Heater

Lasko 6405 Designer Oscillating Heater

The impressing look of this heater is uncommon, and the unusual design disguises it as visitors may even see it as a piece of decorative device. While the design makes it attractive to your guests, the Lasko widespread oscillation working mechanism ensures room is heated thoroughly. The unit body is craft from metal and plastic material, which accounts for its lightweight and durable nature.  

It has an adjustable thermometer that lets you regulate the heat level accordingly. Also, it features an automatic shut-off timer letting you set the duration you want the machine to work before turning off. The features include a 1500 watts heat supply power that will keep you cozy and warmer. Apart from the thermostat settings mentioned earlier, this also has 2-speeds control such as high and low levels for you to further customize your comfort.  

Additionally, Lasko 6405 Designer Oscillating Heater comes fully assembled, you don’t need to bother yourself about any further installation stress. Arrive from the market, ready for use. The built-in over-heat protection is also worth mentioning. This feature protects the unit from getting overheated by turning off once the unit detects the surrounding air is becoming too hot. Furthermore, it comes with a stand featuring 4-stable legs where to mount the space heater without fear of it falling. 

Our + for this

  • Wide coverage
  • ETL listed
  • Lightweight and lasts long

Our minus for this

  • No remote control
Check Price On Amazon

2. Duraflame DFS-550-21-BLK Maxwell Electric Stove with Heater

Duraflame DFS-550-21-BLK Maxwell Electric Stove with Heater

This Duraflame DFS-550-21-BLK can provide a supplemental zoning heat using its 4,600 BTU’s heater power. Therefore, it can reduce cold winter air from spaces of up to 400 square feet, leaving you with a warmer room temperature atmosphere to feel. This heater does not require installation because it is a standalone model.

The cabinet style and the view door design, offer a realistic flame effect. These realistic flames are followed by glowing logs and ember bed, which provides soothing and relaxing warm air surrounding. More so, the energy-saving device can be used with or without heating.

Furthermore, the body of the Duraflame is metallic and remains cool to touch while in operation because it is a nonconductor of electricity, making it a nice space heater to consider if you have children or keeping pets at home. The front door is another anesthetic that makes this heater a wonderful. It features an overheat protection that turns the unit off before overheating starts, therefore guarantees unit safety and long life span. 

Our + for this

  • Cool to touch even during operation
  • Safe for kids and home pets
  • Made with durable glass and metal component

Our minus for this

  • The price effect
  • More heavy compared to the former one
Check Price On Amazon

3. DeLonghi HMP1500 Mica Panel Energy Efficient Heater

DeLonghi HMP1500 Mica Panel Heater

DeLonghi has been in the business of making home cooling and heating appliances for many years. This HMP1500 heater is one of the products that has helped many people combat cold air in their house as it uses it’s 1,500 watts output to heat wherever it is mounted and thus provides comfort for you.

We love how the maker craft the unit looking slim and sleek that makes it fit tight room areas. Plus, the quiet operation, visitors won’t be disturbed. Also, the thermometer and multiple heat levels let you customized heating needs.

It come with a convenient wall mount kit and very easy to install but can be used directly on the floor if you choose not to mount it on the wall. Despite the lightweight, the design also incorporates handles and wheels that let you move it from one room to another for supplemental heating.

Most relevantly, it featured a thermal shut-off that prevents the unit from overheating as such, you’re sure of safety and prolong life. Top of it, this is one of the most-quietest space heaters in this review list, and we believe it won’t disappoint you. 

Our + for this

  • Enjoy quietness
  • Save more money on heating bills
  • Allow for floor use or wall mount
  • Overheat thermal cut-off for safety

Our minus for this

  • Heat a room of only 300 sq. ft. maximum
Check Price On Amazon

4. Lasko 751320 Ceramic Tower Space Heater with Remote

Lasko 751320 Ceramic Tower Space Heater with Remote

This compact and energy-saving heater is one of the options we recommend if you want to save space in your house while getting an effective heating solution at a low cost. The unit is portable, and the standalone is capable of heating coverage of up to 300 square feet and the 1.5kwh capacity provides the necessary heat power to warming extreme temperature faster. One of the topmost advantage, it does not require installation or assembly, so aftermarket ready for use.

To operate this unit, you’ll find a button at the top for switching it on, and as it works, you can view the temperature at which the Lasko is running, via the digital display. Just like every other space heaters as seen earlier, you can tailor a better room atmosphere with an ideal temperature choosing between low or high-speed and vice versa.

The ultra-compact room-sized unit boast of swing heat oscillatory mode that pushes warm air all over your room irrespective of where it is mounted. Nevertheless, the oscillating feature is optional, that implies it can be turn off if you don’t want it. Other features include a wireless remote control system, 2-quiet settings, carriage handle, and an inbuilt timer functioning. 

Our + for this

  • Space-saving 
  • It can cover 300 sq feet.
  • 1,500 watts of comforting warmth
  • Less bulky and weightless

Our minus for this

  • Not for large rooms
  • Only two-speed settings
Check Price On Amazon

5. LifeSmart 6 Element Large Room Infrared Heater

LifeSmart 6 Element Large Room Infrared Heater

From the observation of the various units, this LifeSmart product is more advantageous for larger spaces. As an infrared model, you’ll be amazed at the amount of heat it would generate within 30 minutes of putting it to use. The built-in USA energy-saving heater is made from imported materials and comes featuring 3-heat settings with a supplemental heat coverage area of up to 500 square feet.

Besides, it has an extended digital timer up to 12 hours and a stop timer as well. This feature lets you program the hours (duration) you want the Lifesmart infrared heater to compliment your home with warmness.

The utmost, with the remote controlling, you can stay anywhere in your house to swap the heater settings as you wish, though it is possible to do this manually. The lifetime air-filter protects you against contaminated air but also washable and replaceable. This appliance comes with a forever life warranty while other electrical parts are back up with 1- year warranty. 

Our + for this

  • 3-heat settings and thermostat
  • Featured a remote controlling system
  • Perfect space heater for large rooms
  • Lifetime warranty on the unit and 1-year on parts.

Our minus for this

  • You may not like the infrared light during the night and can’t be turned off
Check Price On Amazon

How To Choose the Best Most Energy Efficient Space Heater 

In this best space heater reviews, this is the section that talks about all the relevant things that is going to help you locate the best heater.

Types of Heaters in the Market

There are different categories of heaters found in the market and a space heater you’re looking for fall into any one of the following:

Propane heaters: As the name sound, these heaters run on propane fuel. This type can be used indoor or outdoor. Nevertheless, some units are specifically designed for outdoor application. If you need to use this model in your house, ensure to read the manufacturer’s instructions to know if it is safe to use inside.

Kerosene heaters: The kerosene heater is friendly for home use because of the high level of safety it offers. This type of heater can heat a large area due to the sufficient amount of heat a kerosene heater emits. Apart from the indoor application, a kerosene heater is great for heating warehouses, garages including workshops.

Electric heaters: Unfortunately, only for indoor utilization. They come in various design options to choose from, such as the wall or ceiling mountable, standalone portable ones, etc.

Oil-filled and Hydronic heater: This heater uses convective heating-method and can take time to warm up, but the good news, if they are turned off after heating up, they can still warm the air for long before it cools down. 

What Type of Fuel Is Best For You

Space heaters are designed to use one fuel type or the other. The implication, heaters are further classified into category according to the fuel they used. You can find the various options below:

  • Electric Heater: This model uses electricity and need plugging to an electrical socket. Some come in standalone design, which can be used on their own while some need connection into the central heating system. 
  • Natural gas heater: Just like the name sound gas heater, therefore, this work based on gas supply. It is cheaper to run a gas heater and quite easy to install.
  • Kerosene Heater: A kerosene-based heater is cheap to run. Also, safer to store kerosene than gas. Because of these reasons, most homeowners preferred them, especially for the safety they provide.
  • Propane Gas: Propane fuel is cheaper compared to natural-gas. Even though safety is a common problem with gas-fuel, nevertheless, propane gas can still be used both indoors & outdoors
  • Pellet Fuel Heater: They’re powerfully-built and has the potency to cover a whole house. To purchase the pallets is not expensive, as such a heatable home for hours can be maintained.
  • Oil filter heater: Oil filter heater runs on electric-current while a convection heating process makes them warmer for hours even after a prolong power failure (when turned off)    
  • Hydronic Heater: These heaters need a connection to your home boiler system. The boiler, therefore, boils water and then passes the warm water to the hydronic eater to heat device. Hence, warming-up your home.

From the above, you’ve seen that many fuel sources are available, as such you can choose a cheap fuel type for your heater which would save you from unnecessary spending. 

What Are the Things to Consider When Buying The Most Energy Efficient Heater?

If you’re on the lookout for the most energy-saving heater for a house or working environment, the first thing to do is to measure the space area you want to heat. Because, if you buy an inefficient unit, the heater will run for long hours wasting your fuel, yet won’t provide the maximal warmth for your room. On the other hand, when you purchase  a heater that is powerful than your space, you’ll face the consequences of living in a hot atmosphere – this may even cause you opening doors or windows at unusual hours looking for fresh air.  

After determining the home or room area you want to apply heat, you need to check for heaters around you. Ensure to check and compare the various options available to you, making sure what you’re picking is energy efficient in terms of how large your space is. But shouldn’t be too powerful or less powerful.  

The next step, after you must have narrow down your list, the source of power that will reduce your heating cost is (how much you’ll be spending on the heater) is an essential part of having to heat your home for long hours in the cold season. Earlier, we’ve discussed the different sources of fuel space heaters utilize, that should guide you on the most energy efficient heater fueling options.  You can also check on Google on how to calculate the amount of fuel you’ll be using to powering your appliance.

Never forget, the fuel type you are aiming should be available within your vicinity, if not you will pay more on transportation to get it from a farther distance. 

Ways to Use a Heating System Efficiently

Choose the Right Heating Method: To use your heating system efficiently, you need to know whether to switch-on the central home heating system or possibly you want to warm up a room. You don’t have to turn on your home central heating furnace if you want to relax or spend some time in your bedroom. Switching on a supplemental heater while putting-off your central system would save you a lot of energy cost as you’ll only be paying a bill for a single room instead of an entire house.

Adopt heat Controls: Many heat control options are available which you can adopt to minimize spending on energy. Some central heating system comes with them, which only need adjustment to a particular energy-saving setting level. Nevertheless, if your heater lack it, you can purchase them independently and get it installed to your central home furnace heater. These options are as follows:

  • Timer: This feature lets you configure the heating system to turn on or off. It can be for hours or days, depending on the timer found in the heater system.
  • Room-Thermostat: A thermostat takes the reading of the temperature in your room. When you turn-on this functionality, it senses the surrounding temperature to know whether to kick start or stop working and this leads to energy saving.
  • Thermostatic-valves: These are installed in radiators and lets you regulate the radiator temperature in each of your rooms.
  • Programmer: With this anesthetic, you can set standard room temperature, set the timer, and also, able to choose varying temperatures suitable for your home at any time. You will find this setting useful if you’re to spend the weekend indoors with your family.  
  • Smart and Friendly Heating: This technique is an advanced way to control heating levels in your building. Here you need to install an app inside your android phone which lets you control the heat being supply to your room conveniently.

Turn off your heater: Turn-off your heater whenever you’re going out or if possible during the night as you sleep and vice versa.

Insulate your building: Insulating your building ceilings, walls, and floor reduces heat loss to outdoors.

Zoning: Since it is not possible to stay in all the rooms in your house at once, the wisest thing to do is zoning. When you zone your house, it means you are only heating a particular room per time. You can purchase a portable room heater that can allow you to carry each time, you want it anywhere in your house, and as such you don’t need to heat the entire building, which would won’t cost you more energy bills.   

Correct Thermostat settings: If you want to get the most efficiency rate from your space heater, then setting thermostat between 18 – 20 degrees Celsius for living areas is a best practice. Nevertheless, you can adjust it gradually to a comforting level until the best result is attained. Frequently, check the thermostat that nothing is blocking the sensor that reads the temperature of your home. If the thermostat is blocked, it will give wrong readings leading to wasting of energy.

Proper Heating Plan: Having a proper heating plan is one of the most efficient ways to reduce energy wastage. For example, when you wake in the morning, you are likely to spend most of your time in the kitchen preparing breakfast or in the bathroom washing up for work or school and so on. When you return home, you practically repeat both earlier steps then later settle in the living room to watch movies, at this time, you can Turn-On a personal heater to enjoy the warm sensation before retiring to bed.

Remember, when you plan your heating need well, energy wastage will be reduced up to 10% monthly.

The Right Place to Mount Your Heater   

Although heaters are for heating cold home air, all are not fit for use, in a particular place.  

If your heater is the model that uses kerosene, it is not safe to use this kind while the windows or doors closed, but for outdoor heaters, this is not a problem at all. You can shut doors and windows to prevent toxic gaseous substances not to gain access to your home.

There are different types of heater options on the market, such as the model for garages, workshops, and construction sites.  If you are to use these types, be sure they are in-line for indoor use and wouldn’t cause you any harm. However, for workplaces, wall mounted space heaters are the best option because going with portable heaters can be knock off easily.

Wrapping It Up

Keeping your space toasty and warming while saving the winter does not come easy. Many sacrifices are involved, you need to understand a space heater, it features, and other usage and maintenance tips. The reason for knowing all these things is to help you find the most energy efficient space heater because saving money on energy bills is an important part of heating a whole house with a space heater.  

So to help you out, we’ve searched and crawled the web on your behalf. Also, we’ve picked and formed our article around the most energy-efficient space heater reviews to assist you. 

We believe the entire post has helped you gain adequate insight from our best most energy efficient space heaters. If this is true, you can give us a like or share. 

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