are space heaters energy efficient?

Space heaters are a convenient and reliable way to provide extra heat during the cold months of winter. They are often seen as an energy-efficient solution for heating a single room or area in the home, but are space heaters actually energy-efficient?

This is an important question to consider, especially since energy-efficiency is an important factor in lowering household energy costs and greenhouse gas emissions. In this blog post, we will explore the energy-efficiency of space heaters, looking into the different types, their energy-efficiency ratings, and the potential costs and benefits associated with them.

We will also provide some tips and considerations for choosing an energy-efficient space heater and using it in an efficient way. As we explore the energy-efficiency of space heaters, we will come to better understand the potential savings and sustainability benefits associated with them.

What is a Space heater?

space heaters

A space heater is a device used to heat up a single room or small area of a house. They come in a variety of designs, and can either be plugged into an outlet or powered by batteries.

Generally they are used to supplement the temperature of a room to make it more comfortable. Space heaters are easy to use, require minimal maintenance and are often more energy efficient than traditional heating systems. However, they can be a fire hazard and should be used with caution.

How Space Heaters Work?

There are several types of space heaters, and the way they function depends on the type. Generally, all space heaters use electricity to generate heat. Most space heaters use resistance heating, which involves an electrical current running through a resistor to generate heat.

This type of heating is usually found in electric fan heaters, convection heaters, and oil-filled heaters. Radiant heaters use infrared radiation as their heat source. These heaters work by radiating infrared energy directly to people, walls, and objects in their vicinity.

The infrared energy is absorbed, and then re-emitted as heat. This type of heating is very efficient, as it requires no air circulation, and is usually found in halogen, quartz, and ceramic heaters. Finally, some space heaters use natural gas or propane for fuel. In this type of heating,

 Factors to consider when purchasing a space heater

When looking to purchase a space heater, there are several factors that you should consider. First, think about the size of the space you want to heat.

Not all space heaters are the same size, so make sure you choose one that is appropriate for the area you are trying to heat. Second, consider the energy use of the space heater.

Look for one that has a built-in thermostat and energy saving features so that you can ensure that you are maximizing your home energy efficiency.

Finally, ask yourself how often you plan to use the space heater. Some space heaters are designed for continuous use while others are better suited to occasional use. Knowing the frequency of your use will help you determine how much energy your space heater will consume.

Pros and Cons of using a space heater


Using a space heater is a great way to warm up a small area quickly and efficiently. There are many pros to using a space heater, such as the convenience of being able to adjust the temperature to a comfortable level, the ability to move it from room to room, and the fact that they don't require a lot of energy to operate.

Space heaters are also a great solution for those who live in colder climates, as they can provide a steady source of warmth without having to turn up the thermostat.

Additionally, space heaters are relatively inexpensive and easy to install, making them an ideal choice for those who are on a budget. Lastly, space heaters are ideal for heating specific areas of the room, such as a designated seating area, so that you don't have to heat the entire room to a comfortable temperature.

All of these factors make space heaters an excellent choice for anyone looking to keep warm on a budget.


One of the main disadvantages of using a space heater is the fact that they can be dangerous if they are not used properly. If a space heater is left on for too long or too close to a wall or other object, it can cause fires.

It’s important to make sure that any space heater is kept away from flammable objects, and that it is switched off when not in use.

Additionally, space heaters use a lot of energy and can cause electricity bills to skyrocket. It’s important to be mindful of how much energy a space heater uses and to turn it off when it’s not needed.

Space heaters can also be noisy, as the fan can be quite loud. This can create an unpleasant environment and make it difficult to concentrate.

Space heaters can also be quite bulky and take up a lot of space, making them difficult to store when not in use. Lastly, space heaters can be expensive to buy.

Evaluating energy efficiency of space heaters

Evaluating the energy efficiency of space heaters is an important part of making sure that your home is operating as efficiently as possible.

There are a few key factors to consider when evaluating a space heater’s energy efficiency, such as costs,its heating capacity, fuel type, efficiency rating, and thermostat settings.

Many people are unaware that space heaters can vary greatly in their energy efficiency. Before purchasing a space heater it is important to consider the cost of operation, as well as the cost of installation.

Heating capacity is usually measured in British Thermal Units (BTUs) per hour and indicates how much heat a space heater is able to generate. Generally, the higher the BTU rating, the more efficient the space heater.

Fuel type is also important because the type of fuel used can affect how efficient the heater is. If you’re using an electric heater, you should make sure that it is rated as energy efficient.

Other factors to consider when evaluating energy efficiency of space heaters include size, and the manufacturer's ratings. It is important to choose a space heater that is the right size for the space you are heating. Too large or too small a heater can cause the heater to be less efficient, and can result in higher energy costs.

Finally, the thermostat settings should be adjusted so that the heater is only on when necessary. Doing this can help reduce energy costs and ensure that the heater is operating as efficiently as possible.

Tips for maximizing energy efficiency of space heaters

When it comes to energy efficiency, space heaters are a great option for adding warmth to a room without having to heat the entire house. To maximize energy efficiency, here are a few tips to consider:

First, make sure to choose an energy efficient model when buying a space heater. Many models come with an Energy Star rating to help identify the most efficient options.

Second, keep the temperature in the room to a comfortable level and avoid cranking up the temperature too high.

Third, make sure to clean the filters regularly and replace them when needed. This will help to keep the heater running at its most efficient level.

Fourth, avoid running the space heater all day and instead turn it off when it is not in use.

Fifth, place the heater away from furnishings and curtains, as they can create a fire hazard when too close to the heater. Finally, be sure to check the manufacturer’s instructions for safety guidelines to avoid any accidents

How to choose an efficient space heater?

Choosing an efficient space heater can be a daunting task, but it is important to do your research and find the best one for your needs.

When it comes to energy efficiency, there are a few key factors to consider.

First, make sure you know the size of the space you will be heating and find a heater that is rated for that size. This will ensure the heater is not overworking and using too much energy.

Secondly, make sure to read the label on the heater to compare its efficiency rating to others. Higher efficiency ratings typically mean the heater uses less energy.

Lastly, make sure to choose a heater with advanced technologies such as digital thermostats, timers, and automatic shutoffs. These features help reduce energy consumption, making the heater more efficient. With these tips in mind, you can rest assured that you are making the right choice when it comes to selecting an efficient space heater.

Additionally, consider the type of space heater you want. The two most common types are convection heaters and radiant heaters. Convection heaters are best for larger rooms, as they circulate the air and provide even heating.

Radiant heaters, on the other hand, direct heat in a specific direction and can be used to heat smaller areas quickly. It's also important to check the wattage of the space heater you choose. The higher the wattage, the more energy efficient the heater is. Finally, make sure to look for safety features like thermostats and overheat protection.

what are the Different types of space heaters?

There are a variety of different types of space heaters available, which can help you find the best option for your needs.

The most common type is the convection space heater, which works by drawing in cold air, heating it, and then spreading the warm air throughout the room.

Another type is the infrared space heater, which uses infrared light to heat the area. This type of space heater is ideal for an area that requires fast and efficient heating.

Radiant space heaters work by sending out rays of heat that warm up the air and surfaces in the room. This type of heater is perfect for those who need to quickly warm a large area.

Finally, there are ceramic space heaters, which are perfect for spot heating since they direct the heat to a specific area. All of these different types of space heaters can provide an effective way to heat up a home during the colder months.

how to maintain a space heater for optimal efficiency?

Maintaining a space heater for optimal efficiency is essential for ensuring the safety of yourself and your family. Here are some tips for maintaining a space heater for optimal efficiency.

1. You should make sure to keep the area around the space heater clear of flammable materials, such as furniture, curtains, bedding, and clothing. Additionally, you should make sure to regularly inspect your space heater for any loose or exposed wires and any signs of damage. If you find any, you should not use the heater and should contact a qualified professional to repair it.

2. Ensure that you use the correct wattage and voltage for the size of the room you are heating. This will help to avoid overloading the circuits and potential electrical fires.

3 It is important to regularly clean the filters on the heater to maximize air flow and reduce fire hazards.

4. Always remember to turn off the heater when you are leaving the room or going to bed

 5. Always make sure that your space heater is placed on a flat, level surface away from anything that could be a potential fire hazard, such as drapes, furniture, or bedding. Additionally, keep the space heater at least three feet away from people and pets, and make sure that it is unplugged when not in use.

Are space heaters more energy efficient than central heating?

This  depends on many factors. If you're trying to heat a large open area, central heating is probably the most efficient option. But, when it comes to smaller areas, such as a bedroom or a small office, space heaters may be more energy efficient.

This is because they are often able to heat up a specific area much faster than central heating. Additionally, space heaters are cheaper to purchase than central heating systems. This can help you save even more money on energy costs.

Central heating systems are generally more efficient than space heaters because they are able to distribute heat throughout an entire house using a single furnace

Furthermore, space heaters are much more portable than central heating systems, so you can move them from room to room as needed. On the other hand, central heating systems are generally more energy efficient than space heaters when it comes to heating large areas.

However, many space heaters are not as energy efficient as central heating systems and can use up a lot of energy if not used correctly. When it comes to energy efficiency, it is important to consider both the type of space heater and the size of the space you are trying to heat. If you are using a poorly insulated space heater to heat a large area, it is likely to be much less energy efficient than a central heating system.

Ultimately, the best option for energy efficiency will depend on the size of your space and your budget.

space heater v/s furnace

Space heaters and furnaces are two different types of heating systems used to keep homes warm during the winter. Space heaters are portable and typically used to heat a single room.

Furnaces, on the other hand, are installed systems that use ductwork to distribute heat throughout the entire house. There are pros and cons to both space heaters and furnaces.

Space heaters are generally less expensive to install, as they don’t require ducts, and they can be used to warm a single room quickly. However, they can be dangerous if not used properly, and they aren't as efficient at heating an entire home.

Furnaces, on the other hand, are much safer and more efficient at heating an entire home. They also allow for more precise temperature control, since the thermostat can be set to different temperatures for different rooms. The biggest downside to a furnace is the higher initial cost of installation.

Additionally, furnaces are able to keep the air within the home at a more consistent temperature, making them ideal for large, multilevel homes. Although more expensive than a space heater, furnaces are usually the better option when it comes to providing consistent, affordable heating for an entire home.

Space Heater V/S wall heater

wall heater

When it comes to heating a room, there are a few options to choose from. Two of the most popular methods are space heaters and wall heaters.

Space heaters are generally portable and are great for smaller rooms or areas. They are cheaper to purchase and operate than wall heaters, however they are not as energy efficient. Wall heaters are larger and are typically found in the walls of homes and offices.

They are more energy efficient than space heaters and can provide a larger amount of heat. They are also much more expensive than space heaters and require more installation time. When considering which type of heater to purchase, it is important to consider the size of the room, the desired temperature, and the budget.

Space heaters are great for smaller areas and for those on a budget, while wall heaters are more efficient and provide larger amounts of heat. It's important to weigh the pros and cons of each option and determine which one is best for you.

Space heater vs electric heater

When choosing between a space heater and an electric heater, there are several factors that need to be taken into consideration. The type of heater that will be best for you will depend on the size of the space that you need to heat, as well as your budget.

Space heaters typically have a smaller heating capacity and are generally more affordable than electric heaters. They are typically less powerful, but can be used to heat up a small room or office quickly. Electric heaters, on the other hand, tend to be more powerful and can heat up a larger space more effectively.

They are more expensive, but they may be the best option if you need to heat a larger area. Electric heaters are also more energy efficient, which can make them more cost effective in the long run. Both types of heaters can be dangerous if they are not used properly, so it is important to read the safety instructions before using either one.

Space heaters are generally the most cost-effective choice since they use less energy, but electric heaters tend to be more powerful and heat more quickly. Space heaters are also more portable, allowing you to move them from room to room, while electric heaters tend to require more installation.

On the other hand, electric heaters can offer more features such as adjustable thermostat settings and timers. In terms of safety, electric heaters typically have additional safety features such as overheating protection and tip over protection.


It is important to keep in mind that space heaters are a convenient and cost-effective way to heat small areas or rooms of your home.

While they may not be the most energy efficient option out there, they still can be used responsibly and can help you save money on your energy bills. It is important to do your research before purchasing a space heater to ensure you are getting the best quality and energy efficient heater for your needs.