Best Space Heater for Large Drafty Room (From 500 Square foot to 1000sq ft)

Keeping a large drafty room warm can be challenging for you without the right choice of a space heater. Therefore, we’re going to review the best heaters for 500 square foot room that will keep it warm without dehumidifying the environment.

Now you’re thinking that heat up a large space or basement can burn a hole in your pocket. But it’s not right by so far. We’ve added commercial products that will never burden your pocket by saving wattages in the energy bills. So, be with us and learn the art of keeping a large space warm economically.

What are the best space Heaters for large drafty rooms (500 Sq ft to 1000)?

Here, we’ve selected the top 10 space heaters that will help you to keep you cozy in winters. Let’s check all the products one by one.

1- Heat Storm Phoenix Infrared Heater

Placing Heat Storm Phoenix at the first position in the list has various reasons. This infrared heater is designed to be smart and portable. Lightweight and intelligent design make it more desirable for users across the globe.

It generates 5200BTU by consuming a maximum of 1500 watts. It means the heater can warm a drafty room quickly by using a small amount of energy. Yet no Satisfied? Have a little room to warm? If so, then use an option of 750 watts to keep your small room warm without consuming a high amount of energy.

HMS Technology permits you to enjoy soft heat in the room by mixing radiant heat with humidity. One more thing, it doesn’t dehumidify your home environment at all. Usually, the reduction of oxygen is a common phenomenon while heating a room by a heater. However, Heat Storm heaters never let your deoxidized. Aside from the oxygen factor, the heater is safe to touch, so houses with kids can buy this heater.

Detachable feet are a great plus and make it easy to set it on the floor or hang it on the wall with a hanging point at the backside.

To control the temperature, you can keep an eye on the heater’s LED display and use remote to control it.

Note: The manufacturer provides 1 year warranty to its users.



Final Verdict

If you want a highly technologically advanced heater that may warm your room without putting a burden on your pocket, it can be the best choice. It is easy to use and safe for kids’ bedrooms as well.

2- LifeSmart 6 Element Large Room Infrared Heater

Lifesmart 6 Element infrared heater can warm the room at 3 different levels at your desire. If you’ve a small room and want to keep it warm, its ECO setting allows you to warm the room using just 500 watts.

Moreover, the heater lets the room warm for a longer run after turning it off. The soft, safe, and natural temperature never makes the air dehumidified and keep the oxygen level undisturbed.

Furthermore, the heater comes with 12 hours timer. It means it turns off automatically after heating the room for a continuous 12 hours. Stylish metal cabinet is cool to touch and doesn’t get your hand hurt. Aside from safe to touch feature, the heater comes with LED display to regulate the temperatures.

If it feels too warm in the room, you can change the temperature level by using its user-friendly remote as well. For even heat distribution, a fan has also been implanted in the heater; thereby, you can quickly heat the room. 



Final Verdict

For even, soft and natural heat distribution, Lifesmart heaters are matchless. By turning it on, the heater can quickly warm a large room having an area from 500 square feet to 1000. So, if you’re in search of an economical product, click on the link and buy.

3- Dr. Infrared Heater DR-988A

It’s impossible to believe that you love to warm up your home and don’t know about Dr. Infrared heaters. Dr. Infrared heaters are one of the best-selling products of different e-commerce stores.

From 45 degrees to 90 degrees, you can choose the desired temperature at which you want to keep the room warm. Just rotate the button from low to high level and adjust the temperature in a classy way.

It comes up with different safety features like; Automatic overheating cut-off, discharge grills, and finger-proof intake. The body of the heater is not too large that occupies an ample space in the room. Moreover, for easy storage of the cord, it offers an onboard storage place.

Apart from the large airy and chilly room, the heater can be a perfect choice for a workspace like construction sites.

So, buy this fantastic product, and we assure you, it will never leave you in the cold.



Final Verdict

If you’re looking for a reliable and durable heater, Dr. Infrared will be the best option in 2020. This heater will keep you warm in cold and chilly days in a more classy way.

4- PELONIS NTH15-17BRA Portable Space Heater

The amazing part of this featured-rich product is that it comes at the lowest price in the list of space heaters. The unique design of the heater more versatile and can be used horizontally and vertically. Either you’re sleeping, or working in a room, this perfectly matched heater meets all your demands quietly.

The most intelligent feature of PELONIS NTH15 is the material of its body. The body of the heater is made from ABS UL94 V0 material is flame resistant. So, this material makes the product safe for kids and pets also.

In radiant heaters, ceramic heaters are considered the most efficient ones that can warm the room quickly. And PELONIS ceramic heater has no exception. It can reach 70 F within 3 seconds, now imagine how quickly it can heat a room.

It turns off automatically, after sensing the over-heating. Moreover, it comes with 3 temperature settings that can help to achieve customizable temperature to your room. The ECO setting of the temperature is the most economical one for energy bills. So, it can be your personal heater (at low-temperature setting) or a room heater (at high temperature).

Remote control, handle (for easy portability), timer, and oscillation are the features that make it worthier in the eyes of its users.

Note: The Manufacturer offers 1 year warranty to its users.



Final Verdict

PELONIS NTH15-17BRA heater is considered best for the people who’re striving for a heater that can be used for personal usage as well as for a large room. Moreover, its price tag would keep you in doubt about how it’s possible to get a feature-loaded heater at a low price.

5- AirNmore Comfort Deluxe, Infrared Space Heater

With the most advanced features, AirNmore space heater is here to be reviewed. The heater comes with the updated sensing system. Its dual high limit sensor and cool to touch element make it kids and pet-friendly products.

Moreover, its tip-over sensor turns it off immediately after getting it tipped-over.

Its PTC heating element is another reason for love to it. There is no need to replace PTC heating elements like other heating bulbs in trendy heaters. It means that PTC heating elements are long-lasting.

You can use it at two different wattage settings; 1000watts and 1500watts. This setting turns it into a versatile heater that is perfect for an office and a large room as well. Overheating protection and auto-reboot memory features make it wiser heater than conventional heaters.

Auto Reboot memory never lets the heater forget its temperature and other settings even if you restart it.

Note: The manufacturer provides 2 years warranty to its users because of its high-quality material.



Final Verdict

A top-notch heater for a large room is waiting for your attention. Just check all its features and material quality; after that, decide yourself. We hope you’ll like it because of its advanced sensing system and auto-reboot memory option.

6- Cadet Com-Pak Twin 4000W, Electric Wall Heater

The Cadet Com-Pak Twin electric wall heater is an excellent choice if you’re looking for efficient and durable room heaters. This is 240 volts and 4000 watts heater that can quickly warm up the whole room in just a few minutes. It is easy to install with a weight of 12 pounds, so you can easily install it yourself. Its efficient fan and fast heating coil element easily warm up even large rooms with 600 square feet. It comes with 13650 maximum BTUs, making it the most reliable and efficient heater of all times!

The Cadet Com Pak-Twin electric fan heater is safe to touch for children as well as its body is made up of high-quality steel and has an automatic shut-off feature as well. In this way, it provides much flexibility to users for indoor use. It has no sharp edges and is specially designed to be user-friendly. If the normal operating temperature exceeds, this fan heater automatically turns off. Thanks to its safety features!

This heater has an optional thermostat i.e., it comes with, and without a thermostat, so you can buy one according to your needs. Its efficient and quiet fan spreads warmth quickly all around the room and ensures peace of mind.



Final Verdict

The Cadet Com Pak-Twin is the perfect heater you will need for cold areas. Its lightweight, 4000 watts power, quiet fan, elegant design with no sharp edges, and safety features make it even more user-friendly for anyone. It has been specially designed for easy installation and comes with all the required features anyone would want in their electric heater.

7- De'Longhi MicaThermic Panel Heater

The De’Longhi mica thermic panel heater is thinner than other types of heaters, giving an elegant look to its body. Mica panel heaters are energy efficient and are known to warm up even large rooms quickly. It comes with 1500 watts power, 110-120 V, and multiple heat settings that allow you to customize according to your heat settings.

This heater is a two-in-one use product, meaning it can be installed into the wall or put in the room. Its handle and wheels provide much convenience for users. It won’t be specific for one room; in fact, you move it all around the house! It is also a lightweight heater, weighing only 15.43 pounds.

It is a dual heater that combines radiant and convection heat technology. The fact that it does not have a fan provides convenience to many people as it will neither create noise nor circulate dust in the room. It also comes with 5120 BTUs, making it efficient to use in up to 300 sq. feet rooms.

Its mesh-front panel protects fingers and hands from the internal heating element and automatically turns off if over-heated.



Final Verdict

This versatile mica thermic heater comes with the latest technology and sleek design to ensure safety. It is a dual heater (convention and radiant) that heats large rooms in a few minutes. Its two-heat settings, safety features, and adjustable thermostat provide much convenience, making it more user-friendly than other heaters. Overall, it is a fantastic product with multiple features that uses the latest technologies and can be used anywhere.

8- PELONIS Electric Oil Filled Radiator Heater

The PELONIS Electric Oil Filled Radiator Heater comes in a different design and more features than the usual electric heaters. This 1500 watt and 120 volts radiant heater use electricity to heat the oil in the sealed column. It is equipped with permanently sealed oil. So, you won’t have to refill the oil in the heater again and again. Its 5200 BTUs output can easily warm up the room.

It has an LED display with remote control and can be a perfect choice for home or office. You won’t have to install it as it comes with 360-degrees caster wheels, allowing the users to move it from room to room. Also, its weight of only 16.09 pounds will provide much convenience.

To make it even more user-friendly, this electric heater is introduced with 3 heat settings (high, low, eco) and five temperature options, providing constant and powerful temperature. Its oil-filled radiator does not use a fan to run, so it heats the room with almost no noise. It has many safety features, including tip-over switch and timer of 10 hours. It will automatically switch off when overheated. It is safe, silent, and healthy to keep you safe all the time.



Final Verdict

It is an efficient electric heater for everyday use as it can be used at any position in the house and quickly heats the rooms. Its automatic switch-off feature on overheating, LED display with remote control, and caster wheels for easy moving add more importance and make it stand out in the crowd! It is a perfect heater with no noise and easy portability, providing the versatility to users.

9- De'Longhi Oil-Filled Radiator Space Heater

The De’Longhi electric heater is also an oil-filled radiator that is user-friendly due to its amazing specifications. It is especially durable due to its heating capacity as it can warm up rooms 25% faster than other electric heaters. It has a radiant heating method, obviously a pro as it won’t produce any noise.

 Its modified chimney effect accelerates hot air through vents and helps in heating the room quickly. It has safety features like automatic turn-off on overheating and timer. It also has an energy-saving mode that can reduce your electricity bills. It is safe for you to use, even if you have kids and pets in your house. It has a permanently sealed oil system, making you worry-free about refilling the oil.

It has an adjustable thermostat and 3 heat settings. This 23.2-pound lightweight electric heater has 1500 watts and 110-120 volts power with 5118 BTUs, allowing it to quickly heat areas up to 144 sq. Feet. It has 6 feet long power cord and 360-degree rotatable wheels so you can easily move it around the house. Its safety features also include a thermal cutoff and a gently rounded design. Its oil-filled radiator design with an elegant and sleek look make it even more user-friendly.



Final Verdict

This oil-filled radiator is very useful and convenient for quickly heating large rooms. Its safety features with portable wheels and rust-resistant metal construction make it a perfect electric heater for long-term use. This quiet heater will heat the room quickly as well as reduce electricity bills with its energy-saving mode.

10- Vornado MVH Vortex Heater

The Vornado MVH Vortex Heater has inspired many customers with its unique design and sleek look. This electric heater has 3 heat settings, the maximum being the power output of 1500 watts and 5122 BTU. It also includes tip-over protection and an automatic safety shut-off system. Moreover, it is a lightweight fan electric heater, weighing only 3.67 pounds, probably the lightest heater with multiple functions!

This heater is super-easy to control as it has three control buttons on the top. It has an adjustable thermostat and is specially designed for keeping safety in mind. Its fan is not completely silent but has only a little noise that does not provide disturbance. This electric fan heater has a perfect size, neither too large nor too small. It does not occupy much space as well and would be perfect for children’s room.

It has a plastic body so that it can easily be carried all around the house. This portable heater gently develops heat and keeps your rooms warm. This heater is also cool to touch, even after working for hours and has many safety features. It does not take much space and quickly heats small rooms. Its carrying handle makes it even more user-friendly.



Final Verdict

This electric fan heater is user-friendly with its unique design and lightweight. It would be a perfect choice for your children’s room as it has advanced safety features. Its plastic body isn’t hard to carry and can easily be moved from one room to another. It has all the functions required in an efficient heater and that too, at a low price!

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Key Factors to consider while buying the best space heater for a large drafty room

If you don’t want to feel like toasted in your bedroom, do research on space heaters before buying. There are plenty of factors that must be looked at while purchasing a space heater for 500 square feet to 1000 square feet. And for your ease, we’ve compiled all the factors of the buying guide below. Please read every point carefully and go for the buy. 

Size of the room

One who wants to save money on energy bills then he/she must shift from a central heating system to indoor space heaters for rooms. Generally, you don’t need to heat up all the rooms (because of no use of some rooms in a home) and want to get a single room heated. For that, you can only turn a portable heater and warm the room. 

However, you must know the dimensions of your living room before purchasing a heater. The heater mentioned-above are supposed to be perfect for large area rooms of 500 square foot to 1000 sq ft. 

Types of Heaters

Heaters can be divided into different categories according to the using power and heat convection. 

Infographic of Best Space Heater for Large Drafty Room

Convection space heaters:

These heaters work on the principle of heated air and cold air. Once you turn on a convection heater, it starts heating the surrounding air. The heated air lifts up, and fresh air takes an empty place. In this way, the cycle of heated air and cooling air processes. 

Radiant Heater:

As the name suggests that Radiant heaters are supposed to radiate heat and warm the objects in front of it directly. The best example of a natural radiant heater is the sun. Sun radiates heat and warms the earth instantly. 

Fan-Forced Heater:

In the most advanced heater, the fan has been implanted to distribute the heat evenly in a room. Fan-forced heater throws heat by using a fan and warm a room quickly. 

Fuel Powered and Electricity powered:

Heaters may be divided by fuel as well. Usually, heaters are powered by electricity and natural gas.

Electricity powered heaters are considered environment-friendly, while gas-powered heaters are likely to warm a room faster than that.

Watts and BTUs

Watts and BTUs are the must-watched features in a heater. The more watts a heater uses, the more BTUs it will generate. To compare a gas-powered heater with an electric-powered heater, BTUs will be analyzed. 

Typically, 1 Watt tends to generate almost 3.41 BTUs of heat. And 1500watts heaters are more common in the market. It means that 1500watts heaters are expected to produce almost 5200BtTUS. 

Therefore, if you want to buy a gas-powered heater equivalent to 1500watts heater, try to buy a gas heater with 5200BTUs of heats. 

Safety Features

Please don’t ignore it. The safety features of a heater matter a lot. A heater that is cool to touch will be the best option for you if you’ve kids and pets in your home. 

Besides cool to touch feature, auto turn-off on over-heating is another safety feature that must be kept under consideration. Additionally, the tip-over sensing system is also there to protect you from any misfortunate incident. 

So, keep all the safety factors as mentioned above in mind while purchasing a space heater. 

Comfort Features

Nowadays, most of the heaters are equipped with different comfort features. Like, many come with a remote control system, which will allow you to control the heater without moving you towards heaters. 

Moreover, customizable heating temperature, easy cleaning of filter, and timer are the other comfort features that may add more comfort to your life. 

Weight and Portability

A room heater means to be portable and lightweight; thereby, you can easily transfer it from one room to another. Many heater come with high-quality casters for easy portability. Therefore, check the weight of the heater before buying. 


Many people like to heat up their rooms with a heater that adds value to the room’s looks. By observing the demand of the consumers, various manufacturers design heater like a décor piece. 

If you also want to make your room beautiful and warm, try to buy a heater with classy designs. 


Noise level can be measured in dBA (Decibel). Usually, heaters aren’t too noisy, and the noise level of a heater varies from 30dBA to 50dBA. So, try to purchase a heater with the lowest noise level and having all the features above, so that you can sleep without any disturbance. 

Last Words

Here we have enlisted top 10 best space heaters for large and drafty rooms that can keep you warm in chilly and shivering winters. If you’re using a portable space heater other than the models mentioned above, you can suggest it in the comment section to your fellow-readers. Moreover, we’ll also check and test your recommended model and write a review on it. Thank you. Stay blessed.  


How big of a room will a 1500 watt heater heat?

Knowledge of wattages isn’t enough to answer this question. Aside from room dimensions, check whether the room is drafty or not. Moreover, which material is used in the heater to heat up a room? How long you keep the heater turn on in the room.

Generally, 10 watts are expected to heat up 1 square foot space. However, a 1500watts heater can heat up a large room (500 square feet), if you keep it turn on for long.

How many BTU do I need to heat a 20x20 room?

15 to 20 BTUs are more than adequate to heat up 1 square foot space. If you need to warm 400 square feet room, just multiply 400 to 15. 400×15= 6000BTUs. 

So, a heater with 1500watts having 52BTUS can produce enough to warm a 20×20 room easily. Furthermore, other factors are also applied, like room insulation, weather conditions, and ventilation of the room. 

Do space heaters use a lot of electricity?

The most common space heaters in the market are 1500watts heaters. Your electricity bills come in kWh. So, a 1500watts heater consumes 1.5kWh and bill you accordingly. 

Nowadays, space heaters come with customizable wattage settings. You can use a heater at 1500watts and 750watts according to the given options. So, space heaters use electricity according to your demand, not too high, not too low.