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The Effects of Humidity on
Your Air Conditioning System

Did you know that humidity can impact your air conditioning system? As temperatures rise during the summer months, it’s not just the heat that affects the comfort of your home – humidity also plays a significant role. Today we’ll learn about the impact of humidity on these systems and what we can do about it.

How Humidity Affects Your Air Conditioner

Increased Demand on Your System

Excessive humidity can increase your air conditioning system’s energy consumption. When the air feels warmer than it is, your AC has to work harder to cool the air. This can lead to higher energy consumption and higher utility bills. If your AC unit is constantly running, it can put additional wear and tear on the system, leading to a shorter lifespan and the need for more frequent repairs or replacements.

To reduce the impact of humidity on your AC’s energy consumption, it’s essential to maintain proper humidity levels in your home. Ideally, indoor humidity levels should be between 30-50%. If the humidity level exceeds 50%, your AC must work harder to cool the air, leading to increased energy consumption.

Decreased Efficiency

High humidity levels can decrease the efficiency of your air conditioning system. When the air is too humid, it can be more difficult for your AC to extract moisture from the air, reducing its cooling capacity and making it less effective at maintaining comfortable indoor temperatures.

This decreased efficiency can lead to a variety of issues, including:

  • Uneven cooling: High humidity can cause your AC to cool specific areas of your home less effectively than others, leading to uneven temperatures and discomfort.
  • Longer cooling times: High humidity can take longer for your AC to cool the air, leading to longer cooling times and higher energy bills.
  • Reduced lifespan: The strain of constantly running to keep up with the demand can reduce the lifespan of your AC, leading to the need for more frequent repairs or replacements.


System Breakdowns

Excessive humidity can cause system breakdowns in your air conditioning system. Too much moisture in the air can damage the components of your AC and reduce its lifespan. Some of the common problems caused by high humidity include:

Corrosion: High humidity can cause moisture to accumulate on the metal components of your AC, leading to corrosion and rust.

Mold growth: When there’s excess moisture in the air, it can create an ideal environment for mold growth. Mold can grow on the components of your AC, reducing its efficiency and causing health problems for your family.

Electrical issues: High humidity can also cause electrical components of your AC to malfunction or short circuit, leading to system breakdowns and costly repairs.

If you’re concerned about your air conditioner, contact Free Air Heating and Cooling to speak to one of our licensed technicians. 

Air Conditioning Services Milton, ON
HVAC Companies Milton, ON