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Two Reasons You Shouldn't Use Your Exhaust Fans in the Winter

exhaust fan on roofr

To avoid unnecessary visits from commercial services, avoid using your exhaust fan in the wintertime.

A business owner or homeowner might want to contact commercial services to report an apparent problem with an HVAC system in the winter. But an exhaust fan could be the culprit. Here is a list of reasons why using an exhaust fan while it's cold outside can cause problems or unexpected results:

Makes the Heater Work Harder

An exhaust fan exists to transfer indoor air to the outside. But when that indoor air goes outside, something has to take its place inside. This “something” is air from the outside. During the winter, this outside air is cold. What’s the result? The exhaust fan makes the inside colder.

Assuming the occupants want the indoor temperature to remain constant, the heater will turn on to compensate for the colder indoor air. Long story short, using the exhaust fan will result in the heater working more than normal. This causes extra wear and tear on the HVAC system and higher energy bills.

Requires the Use of a Humidifier

When the air is cold, it holds less moisture. This is why the air in winter gets dry, skin gets itchy from the dryness and getting a static shock is a daily occurrence. To reduce these uncomfortable effects, you need to add moisture back into the air. One way to do this is with a humidifier. Another way is to avoid using the exhaust fan when showering or cooking and letting that humid air circulate throughout the house or building. This will naturally add moisture back into the air without resorting to the added expense of buying and running a humidifier.

If you absolutely must run an exhaust fan in the winter, consider using commercial services, which can help you find alternative ways to save energy and maintain proper humidity levels inside. Jerry’s Air Conditioning and Heating is a major provider of commercial services, so give us a call today to learn more.

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843-665-7470

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