What is a Micathermic Heater? How it Works, Pros & Cons

By Samuel-N •  Updated: 01/21/23 •  7 min read

Micathermic heaters are a type of space heater that use Mica, a type of rock sandwiched around non-metallic heating elements in their design. Mica space heaters are considered a crossbreed between infrared and ceramic space heaters because they emit convective and radiant heat. This article looks at a Micathermic heater, its pros and cons, and how it works.

What is a Micathermic Heater?

A Micathermic heater refers to a space heater whereby the element that heats a room is covered in Mica.

Instead of relying on one method for heating, a Micathermic heater combines two. Mica heaters produce heat by combining both convection and radiant heating methods, making them more efficient than the other electric heaters. The mineral Mica is the main reason why Micathermic heaters are highly efficient.

The De’Longhi Mica Thermic Heater is still the best Micathermic panel heater available on the market.

Micathermic heaters also use fanless technology, which distributes heat to a room without re-circulating dust or other allergens. This makes the heater great for people who have asthma and other allergies. The fanless design also means they are quieter than different space heaters.

How a Micathermic Heater Works

When you turn the electricity on, an electric resistor in the Micathermic heater turns it into heat. The heat is generated and absorbed by metal coils covered with Mica. When the Mica is heated to a specific temperature, they emit electromagnetic rays. The electromagnetic rays then heat the room. The electromagnetic heating effect is similar to sunlight.


Micathermic heaters function differently from other space heaters. One of the main differences is the use of Mica, which, when heated, produces electromagnetic rays that heat an entire room.


As the electromagnetic rays heat up, they only heat objects in a room like radiant heaters. When the objects in the room are warmed up., they transfer the heat to the room and the air. However, unlike radiant heaters, Micathermic heaters heat all objects in a room simultaneously. The air warms up quickly because the objects in a room are heated once. This is also why Micathermic heaters heat cold air without using a fan to blow heated air around the room.

Pros of a Micathermic Heater

1. Better Distribution of Heat

There are differences in how heaters distribute energy in a room. The Micathermic heater exhibits several differences when compared to the typical heaters. The Mica emits electromagnetic radiation, whereby the heat attains all surrounding objects simultaneously. This makes the room warmer at a relatively higher rate as the switch automatically shuts itself off when the right and desired temperature has been attained. This implies that the Micathermic heater needs less time to serve the same purpose and utilizes less electricity efficiently.

2. Heat a Room Quickly

The two main heat transfer modes in space heaters are convection and radiation. Convection heaters use convection currents to heat a room. Warm air rises and displaces cold air to the bottom, where it comes into contact with the heater and warms up. Radiant heaters emit infrared heat absorbed by objects and people in a room. Infrared heating is faster than convection heating, but the further you are from the infrared heater, the less you will feel its effects.

Micathermic heaters use electromagnetic rays to heat a room. Their heating methods combine convection and infrared heating faster and more effectively. Micathermic heaters heat objects first at an equal rate, and the objects heat the air simultaneously. This heats the room more quickly than other methods.

3. Quiet Operation

Noise is one of the biggest complaints that have been raised before by many people when it comes to the use of traditional healers. The heaters blow warm air around the room, accompanied by a fair bit of noise. This is because they are installed with fans that aid them in distributing the heat. Micathermic heaters work entirely silent because they do not contain moving parts.

4. Economical To Operate

Mica heaters and other electric heaters use the same power to heat a room. So, a 2000W electric heater will do the same job as a 2000W Micathermic heater in a room. However, Micathermic panel heaters heat quickly and can make a difference in minutes. Because they quickly heat a room, they are energy efficient. The ratio of electricity used and heat produced is also very low. The addition of a thermostat makes them even better.

5. Safer Than Other Heaters

Convection and radiant heaters pose fire risks by using strong heating sources. This is why convection and radiant heaters must be kept a little far from other objects. In Micathermic heaters, the heated Mica is not as hot as regular heaters. Heat transfer by electromagnetic rays is safer than the other heat transfer systems.

6. Lightweight and Compact

The Mica stones on Micathermic are thin and small and do not take up much space. This makes them very compact. They are also light to move around.

7. No Ambient Air Movement

In most cases, the traditional heaters blow air around, which possibly causes bacteria and allergens to move around the room. Micathermic heaters use electromagnetic rays to distribute heat around a room. The lack of a fan makes sure they do not blow air containing bacteria and other allergens that might affect asthma and allergy sufferers.

Cons of a Micathermic Heater

1. Limited Coverage Area

One of the downsides of owning a micathermic heater is the coverage area. Because of the quiet fanless mechanism, micathermic heaters are limited by how large a room they will heat up. Mica heaters will take longer to heat larger spaces, while smaller rooms will get heated quickly.
Most micathermic heaters can easily cover an area of 150 square ft, while some, like the Bionaire models, can heat larger rooms to 200 square ft.

When to Choose a Micathermic Space Heater

  1. You need a space heater with a near-silent operation
  2. Do not have enough room space
  3. If you need to heat an area or room, you spend most of your time in

Choose your Micathermic Heater

Micathermic heater panels’ ability to produce radiant and convection heat with less electricity makes them serve a better purpose in our homes. For people who utilize electricity for heating their homes, Micathermic heaters are a good option you can try out. They are very efficient and can heat up small to middle-sized rooms efficiently. Their methods of heating also make them good at heating larger areas. They are also quiet and safe to use.


Samuel is the founder of Cozy Indoor and has been in the home renovations industry since 2013. Since then, his mission is to make home cooling, heating, and air quality easier for everyone to understand. Read my guides and reviews here on cozyindoor.