Which coil is better for split ac, copper or aluminium?


 A coil is an essential part of an air conditioner. Thus, it is important to understand how the coil works. Mostly copper and aluminium coils do the same job in a split AC. However, there are few differences that are noteworthy. The difference lies in heat transmission, durability, and resistance to corrosion (rusting on iron and alloys).  

  

Let's discuss a few criterias on which we will further explain the difference along with some pros & cons of copper coil and aluminium coil.  

 
 

Corrosion  

While corrosion happens in both copper and aluminium coils, the damage causes refrigerant gas leaks that make it thick and muddy, hence making it necessary to protect it. In respect to copper coils, the corrosion is often limited to when oxygen interacts with organic acids and water, hence not very toxic. Corrosion in an aluminium coil is harder to repair since it is caused when two metals collide and form rust like substance.  

 
 

So, what’s the difference?  

 
 

Repair and Cost  

In terms of cost-effectiveness, copper coils are more easy and economical to repair as compared to aluminium coils . Aluminium coils frequently need to be removed and replaced with new ones, hence making it more expensive.   

  

  

Durability & Strength  

In a split AC or air conditioner in general, copper coils have proved to be stronger and durable. Corrosion /maintenance can be avoided with regular checks and cleaning processes to ensure it lasts longer. Aluminium coils are not strong and durable and require professional assistance when it comes to cleaning. However, aluminium coils are lighter than copper coils , so they are more accessible while cleaning.   

 
 

Efficiency  

Copper coil has another noteworthy advantage, i.e., it can heat and cool super quickly as compared to aluminium coil. So, in other words,  air conditioners, especially split ACs with copper coils, can cool faster. And if it is built with heater technology, then it warms the room faster.  

 
 

Energy Rating  

Longer efficiency and energy rating is always a criterion to consider when deciding on which condenser to choose. Copper coil condensers are usually more energy-efficient and durable as compared to aluminium coils. There are also chances that a 5-star air conditioner with aluminium coil can drop to 1 star air conditioner within 2-3 years of usage.  

 
 

Verdict  

Since purchasing an air conditioner is a long-term investment, choosing the right ac is important. Furthermore, the coil is equally critical, as it has a direct impact on the cooling and overall efficiency of the air conditioner. So, now we can conclude that an air conditioner with copper coil is a right fit especially for those who live in extreme harsh weather conditions. Our recommendation is to go for Panasonic Inverter Split ac that comes with a copper coil of good quality. However, you can explore different brands as per your requirement.   Image Source: rianstech

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