Servicing your AC unit is key to extend its lifespan. This will both allow you to save money in the long run and avoid any environmental and health issues. Plus, corrosion and gas leaking demand the equipment to waste more electricity than usual, increasing your power bill exponentially.
These problems can end up being hard and costly to fix. Corrosion happens because the air conditioner fins are made of aluminium and the condenser coil is made of copper. In the presence of moisture, galvanic corrosion happens at the point of contact of these two metals. Over time, this corrosion results in gas leakage and the condenser would then need to be replaced or repaired.
Because of this, it’s vital to try and prevent decay from happening in the first place. There are different ways to avert this problem before it gets out of hand.
Bimetallic or galvanic corrosion
Usually, more than one metal is used in the manufacturing of AC units. This is far from ideal, but certainly cheaper than other alternatives. When the two metals touch while moist with the presence of a liquid, it makes corrosion more likely to occur. Should there be a single metal, even with the presence of a leakage, it would take a longer time for this wear and tear to happen naturally.
It’s a good idea to try and purchase an air conditioner with fins and coils manufactured with only one metal. It’ll be more cost-effective to the customer in the long run.
Formicary corrosion
Pure copper also presents corrosion problems in air conditioning systems. This type of wear and tear doesn’t happen naturally without any outside influences. Since it requires three elements and only two are present in the devices, it’s usually a result of the actions of the unit’s user.
For formicary corrosion to occur, water, oxygen and an organic acid, such as cleaning solvents, cosmetics or paint, must interact. Usually, when a user mistakenly allows one of these organic acids to fall on the unit or attempts to clean it with solvents, this type of corrosion begins damaging the AC.
It’s vital to be very conscious of what elements we place near and over our AC units, to avoid such problems from arising.
There are also two types of coatings that can be used to protect the AC units. When it comes to old devices, copper guard coating is the best alternative. It’s a preventive coating that helps keep solvents, water, and other elements from damaging the copper in the AC’s structure. This will keep rusting from happening, as well as stop gas leaks before they begin.
Always Purchase AC with Anti Corrosion Coating
When purchasing a new AC, however, it’s a good idea to make sure it features a protective epoxy coating. This works as an effective and long-lasting protection for metal surfaces to both chemicals and water damage.
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In India, two common epoxy coatings used to protect air conditioners are known by the name Bluefin coating and Goldfin coating. Though this might add to your cost of purchase when buying the unit with epoxy coating, in the long run, it’ll help the user save money.
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Can the coating be done both at the Outdoor as well as indoor units ? If yes Share the details , please
Yes, the epoxy coating is done on copper coils of both indoor unit and outdoor unit. However, don’t try doing it yourself unless you have experience.
Every year gas leak in my one ton voltas window AC what i do
If its happening every year, then its better to purchase a new AC. When purchasing a new one, make sure to buy AC that comes with some anti rust coating on the condenser and evaporator. We recommend this LG AC https://amzn.to/2CIfVk4
Hello sir,
I have Mitsubishi electric mr slim and Mitsubishi heavy duty 1.6 ton ac, mr slim brand new are those models copper coated one or should i apply any coating on joints in indoor and outdoor units. My blue star ac started leaking gas after five years i couldn’t bear repairs so i bought new one please tellme how to protect copper coils for long life
We haven’t reviewed Mitsubishi air conditioners and therefore don’t know if they use high quality epoxy coating or not. I checked its broucher online but there was no mention of it. Anyway, its not recommended that you try coating condenser yourself. The best you can do now is to protect outer unit as much as possible from moisture and get the AC serviced every year from a company authorized service center.