Why is My Air Conditioner Not Taking the Humidity out of My House in Downtown Las Vegas, NV?

During the cooling process the air conditioner is cooling the air and at the same time, the air conditioner is also removing the moisture in the air. As southern Nevada is a rather dry climate we can have seasonal weather conditions that can increase the humidity in the air outside. However, the cooling cycle should always remove the humidity from the air before it enters your home. If you notice your home’s air is humid, your air conditioner has a problem. Humidity inside the home is often a sign that your air conditioner has a malfunction or problem that needs to be addressed. If you notice humidity inside your home, Air Supply Heating & Air Conditioning will share why an air conditioner my not be removing the humidity in the air and how to correct the problem.

Dirty Evaporator Coils

The evaporator coil is the component that transfers the heat in the air to the refrigerant, and at the same time the moisture in the air is being removed. One of the most common reasons why your air conditioner isn’t removing the humidity in the air is because the evaporator coils are dirty. Condensation frequently accumulates over the evaporator coils. If dust and other particles settle on the condensation, a thick grimy layer can cover the coils. Luckily the evaporator coils only need to be cleaned. It is highly recommended that a professional HVAC technician clean the evaporator coils for you. The evaporator coils have very then metal fins which can become easily bent or damaged. If the fins are damaged the evaporator coil will need to be replaced. To help prevent this problem altogether, have your air conditioner tuned-up before the summer. During a tune-up the evaporator coils are always cleaned which ensures a healthier and more reliable cooling system.

Oversized Air Conditioner

Many homeowners will assume a bigger air conditioner is better. However, that is not the case. When you have an oversized air conditioner you will find you have a number of problems, and one of them is humidity. An oversized air conditioner will create cool air very quickly and then switch off. These shorter cooling cycles do not allow the evaporator coils the time to remove the moisture from the air. As a result you will have humidity in your home’s indoor air. It is important for a number of reasons, to never install an oversized air conditioner.

Air Duct Leak

In some cases your home’s air conditioner is fine. The humidity may be caused by a leak in the air duct system. The moisture may be entering the home through a leak in the air duct system. Especially during humid or rainy days, the attic can collect a bit of humidity. When the air conditioner is running a cycle and you have a leak in the air duct, the air from inside the attic can be sucked in. Air duct leaks can occur and when they do, you will need to have the air duct repaired or resealed to help keep humidity, dust and other particles out of your air ducts and home.

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If your air conditioner isn’t removing the humidity or you are having other HVAC problems, contact Air Supply Heating & Air Conditioning today.