Difference Between Aluminum and Copper Radiator (With Table)

Radiators are used to control the temperature of a medium. Combustion energy is used to power vehicles. Heat is produced by the combustion of fuel. This heat aids in the vehicle’s operation. The hot air created by this combustion process may heat the engine and many other components of the vehicle. Hot air radiators are used to cool the system in order to prevent damage. During the winter, radiators are utilized to warm up the interiors of homes.

Aluminum vs Copper Radiator

The main difference between aluminum and copper radiators is that copper radiators have narrow tubes, whereas aluminum radiators have tubes that are somewhat broader. Aluminum radiators are constructed of aluminum, although they are frequently blended with other metals, such as steel, to create an alloy, while copper radiators are generally composed of copper.

Buildings are increasingly being heated by aluminium radiators. Aluminum radiators are popular in modern homes because they are long-lasting and simple to maintain. Aluminum is a versatile metal that has found its way into a wide range of items. Its high conductivity makes it one of the best metals for radiator manufacturing.

Copper radiators are created because it is a thermally efficient metal. In the majority of situations, copper radiators are not entirely composed of copper. However, copper is combined with other metals like as lead and brass to produce alloys, and the radiator is manufactured from these alloys. Copper radiators have been used for a long time. Copper radiators can be found in cars, electronics, and homes.

Comparison Table Between Aluminum and Copper Radiator

Parameters of ComparisonAluminum RadiatorCopper Radiator
ConductivityAluminum is an excellent heat conductor, although not as good as copper.Copper is far more effective than aluminum in transferring heat.
Tube sizeTubes are 1 inch in diameter and 1 inch wide.Tubes with a diameter of 0.5 inches.
Corrosion resistanceAluminum radiators are resistant to corrosion and are not readily damaged.Copper radiators are readily rusted and damaged.
WeightRadiators made of aluminum are low in weight.When compared to aluminum radiators, copper radiators are heavier.
Price rangeWhen compared to copper radiators, they are more expensive.In comparison to Aluminum radiators, it is reasonably priced.

What is Aluminum Radiator?

Aluminum is a versatile metal that may be used in a variety of applications. Aluminum radiators may be found in both houses and automobiles. To make aluminium more malleable, it must be combined with other metals. Aluminum is a good heat conductor. As a result, it’s employed in the production of radiators. The temperature of the aluminium radiators may be increased or decreased in a short period of time.

People like to utilize aluminum radiators in their homes. People who live in cold climates use radiators to keep their homes warm. Aluminum radiators heat up rapidly and effectively modify the temperature of a space. Aluminum radiators only need a little quantity of water or coolant to function properly. Because a tiny volume of water may heat very quickly, aluminum radiators can be used.

Aluminum radiators are resistant to corrosion and consequently long-lasting. It also uses less electricity, which contributes to energy conservation. It will last a long time and is difficult to fix. Aluminum metal may be recycled and reused. As a result, this is an ecologically sound alternative to consider. These Aluminum radiators are especially popular among those who desire a more environmentally friendly lifestyle.

Aluminum automotive radiators have broad tubes. The coolant is present in this tube. Which is so large, there is very little danger of it becoming clogged. The tubes have a diameter of one inch. Welding is used to join the tubes to the tank. This type of welding provides for more efficient and rapid heat transmission. Aluminum is a light metal that is commonly used in cars.

What is Copper Radiator?

Copper is also used to make radiators. Copper tubes and fins are used in copper radiators. Copper radiators have a high heat transfer efficiency. Alloys are made by combining copper with other metals. Alloys are occasionally utilised in the production of radiators. Copper radiators are capable of absorbing a lot of heat.

The heat gathered is then turned into cooler air and dissipated when the coolants move through the tubes to the fins. Copper radiators feature thin tubes that are more prone to clogging and need to be cleaned more frequently. The engine’s copper radiator tubes are connected to it. Copper is a heavy metal, and copper radiators are no exception.

Copper was first used to make automotive radiators in the nineteenth century. The melting point of copper is quite high. It melts at a temperature of 1,085 degrees Celsius. In comparison to many other metals, this is an extremely high value. Copper radiators can withstand the high temperatures produced by automotive engines because of this.

Copper radiators are also resistant to high temperatures and pressures. They are able to endure the harsh conditions that are frequent in a vehicle’s engine. Copper radiators are also less expensive than steel radiators. Copper radiators are a classic design that has been around for a long time.

Main Differences Between Aluminum and Copper Radiator

  1. Aluminum radiators do not clog readily because of their broader tubes, unlike Copper radiators can.
  2. Aluminum radiator coolant tubes are 1 inch wide, whereas copper radiator coolant tubes are half-inch wide.
  3. The aluminum radiator is durable and non-corrosive, but the copper radiator is susceptible to harm.
  4. In comparison to the hefty copper radiators, automobiles with Aluminum radiators are lighter.
  5. Welding is used to connecting aluminum radiator tubes to engines, whereas soldering is used to attach copper radiator tubes.
  6. Copper radiators have high efficiency and are excellent heat conductors. Aluminum radiators are also effective heat conductors, however, they are inefficient in comparison to copper radiators.


Radiators serve a variety of purposes. They aid in the cooling of automotive engines. Radiators in the home raise the room’s temperature. People who live at higher elevations or in areas with harsh winters are more likely to utilize these sorts of radiators. Radiators warm up the homes and make them comfy when the hamlet is frozen and the temperature is below zero. They’re a contemporary take on conventional fireplaces.

Radiators come in a variety of styles, including marble radiators, wood radiators, stone radiators, and steel radiators. Radiators made of aluminium and copper differ in a number of ways. Aluminum radiators are lightweight and robust, whereas copper radiators are the best heat conductors. They also differ in terms of price and efficiency.


  1. https://www.tandfonline.com/doi/abs/10.1081/SS-100100645
  2. https://www.sae.org/publications/technical-papers/content/850043/