Do air conditioner covers work?

How air conditioner covers work and under what circumstances will a cover be best, the types of covers to be used and considerations for choosing the right cover.


Protecting your household devices and appliances is a great way of maintaining them, as well as increasing their lifespan to ensure that they keep up with working efficiently for you and your household. This is why opting to cover some appliances is one of the ways people are protecting their household appliances.

Air conditioners are one of the appliances that people will look into protecting at certain times. Air conditioners typically work more in the hot summers, but when the winter times come, people are thinking of different ways to protect their air conditioners from the harsh climate elements of the winter.

Air conditioner covers

The best reason for an air conditioner owner to opt for covering their unit can be to protect it against falling leaves in the fall season, and other forms of dirt that might be damaging to the unit.

Some might also choose to cover their units in the winter but generally, air conditioners have been assembled to be able to withstand a lot of the climate elements.

This is why most people also believe that there is no need for air conditioners to be covered, except to protect against leaves and other obstructions that can possibly enter.

Do air conditioner covers work?

Essentially, an air conditioner cover will work depending on whether it is the right one. Covering your air conditioner with just anything is not advised, as this will most certainly cause more harm to the unit.

There are certain requirements for air conditioner covers for them to work properly. There are different air conditioner cover options that are suited for different conditions, such as a piece of plywood to place on top of your unit to keep out some debris.

This is a favoured option because it keeps the sides open for moisture and small creatures to escape. There are also mesh covers for units, and these do not block airflow either.

Air conditioner owners can also get a Kool Kap air conditioner lid that is specifically made to keep leaves and dirt out. These can be options for people who really need to cover their units from leaves and other obstructions.

What are some of the pros to covering your air conditioner?

Covering your air conditioner will come with some benefits, both for you and your unit. A covered unit means your air conditioner coils will remain clean, and therefore functions efficiently the next time you use it.

Covers will also help to keep debris and dirt out, as these are hazardous to the components of a unit and its functionality. Which is essential, because obstructions of any form will affect the air conditioner or even break it.

Air conditioner covers can also prevent freezing. They can help with preventing water from remaining on coils and later freezing up.

What are the cons of covering an AC unit?

Unless you have bought the right cover for your air conditioning unit, covering it could put it at risk of having rust form on the inside of the unit, as moisture could become trapped.

This is especially true if it is covered with the wrong type of cover. The risk of mold developing in the unit also increases when airflow is restricted by the wrong covering.

Mold can grow on the evaporator coils of the unit, thus posing a health risk if mold fills the atmosphere of spaces in your home space.

What to consider when it comes to choosing the best air conditioner cover

There are a number of factors to consider when it comes to choosing the right air conditioner cover for your unit. These will include opting for a completely waterproof cover, guaranteeing you that water will not seep through. The cover will need to have a breathable fabric for air to flow even when it is not working.

Considering the size of the cover compared to your unit and finding a size that matches your unit’s dimensions is recommended, as well as the durability of the cover.


Protecting your most important household appliances will ensure that they last longer and continue operating at their maximum efficiency, without giving you any unexpected problems. Some appliances will require protection depending on factors such as seasonal changes, especially when an appliance is set to go for long periods without operating.

This is the case when it comes to air conditioners. Some units will require protection in the form of specific covers tailored to certain conditions that require the unit to be protected. It is important to always ensure that the right cover is being used to prevent further unnecessary complications.

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