---
title: How to Change an HVAC Air Filter in NC | Swaim Electric
description: The HVAC air filter is the most important piece of the unit. It should be replaced at least once per year to avoid health issues.
---

[Swaim Electric Blog](https://blog.swaimelectric.com)

# [How to Change an HVAC Air Filter in NC | Swaim Electric](https://blog.swaimelectric.com/how-to-change-an-hvac-air-filter)

 Written by [Swaim Electric](https://blog.swaimelectric.com/author/swaim-electric) | February 24, 2021

[View full post](https://blog.swaimelectric.com/how-to-change-an-hvac-air-filter)

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