room temperature

As much as we look to our HVAC systems to keep us comfortable, it is good to remember that humidity plays a significant role in our indoor air quality. The right humidity level not only helps regulate your home’s temperature but also keeps you and your family healthy. In this blog post, we will dive deep into the world of indoor humidity and help you find the optimal humidity levels required for maximum comfort.

Understanding how swamp coolers work

Swamp coolers work by using water to change hot air into cool air. They contain a fan, water pump, and cooling pads. When hot air from outside enters the unit, it passes over the pads, which are damp from the water pump, resulting in cool air. The fan then blows the cool air back into your home. This process requires ventilation, which means that windows and doors must remain open to keep the air from being too humid.

Installing the swamp cooler

Swamp coolers come in various sizes, from portable units to whole-house systems. Installing a whole-house swamp cooler involves connecting it to your ductwork, which may necessitate professional installation. Meanwhile, a portable swamp cooler needs to be placed near a window where it can release and bring in cool air. It should also be near an electrical socket to connect to a power source.

First, it is essential to understand the ideal humidity range for most homes. The recommended range for comfort is between 30% and 50%. Anything beyond that can cause problems. When the humidity level is consistently above 50%, you might start noticing a musty odor in your home. Furthermore, high humidity levels can also foster bacterial growth and mold, which can compromise your family’s health.

On the other hand, low humidity levels are equally problematic. If your home’s humidity level dips below 30%, you may experience allergic reactions, particularly if you are prone to respiratory problems. High static electricity and dry skin are also common problems. Low humidity levels can also damage your home’s structure, causing wall cracks and peeling of the paint.

The best way to ensure maximum comfort and health is through the use of a humidifier or dehumidifier, depending on your home’s needs. A dehumidifier helps to reduce humidity levels, while a humidifier increases humidity levels. However, if your HVAC system has an in-built humidification system, you might only need to adjust it to find your home’s ideal humidity range.

An HVAC professional can help test your home’s humidity levels and recommend the best approach for optimizing your indoor air quality. Their advice may include keeping your home well-ventilated, using exhaust fans in high-moisture areas like the bathroom and kitchen, sealing any air leaks, using air conditioners and installing a humidification or dehumidification system.


Maximum comfort and safety are essential aspects of a healthy home, and the humidity levels play a crucial role in maintaining these. With a little knowledge and the help of HVAC professionals from Mechanical Air, you can keep your cool and maintain ideal humidity levels year-round. By balancing the humidity in your home, you’ll create a comfortable living space for you and your family, which is essential for your health and well-being.

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