Introduction

Your in-home HVAC (heating, ventilation, and air conditioning) system is a discipline of engineering upon its own. Many take for granted how this system works to provide a comfortable living environment for families year round. Through the dense heat of summer and the coldest of winters, this one system keeps homes at a moderate livable temperature with the push of a button. Keeping up with the maintenance on your HVAC system works much like a car. If left alone problems will arise and higher costs will be incurred. It is best to know how the system operates so you can have it run more efficiently and save money both monthly and in the long run as well.

License: Creative Common
License: Creative Commons

Role of the Air Filter

The main component that keeps your HVAC running smoothly and efficiently is its air filter. In order for the system to pump out either cold or warm air to all of the rooms in your home, it first needs to suck the air in. This aspect is much like the engine of a car. The more clean air it sucks in, the more it can pump out. In order to cool or heat the air your HVAC system has a set of coils inside of it, these coils are either heated or cooled depending on your temperature gauge setting. The sucked in air passes over these coils and is fed through the ducts of your home.

Effects of Dirty Filters

If these coils begin to collect dirt, dust, pet dander, etc the less they will have the ability to change the temperature of the air intake. Not only will the coil have less surface area being able to reach the passing air, but eventually they could overheat from being suffocated and start to cause damage to the entire system. Now that you understand how an HVAC system operates, you can appreciate the importance of filtering the air it sucks in. The area of an HVAC intake varies depending on the installer. When shopping for an air filter it is important to pick the right size.

Changing Your Filter

These filters are usually made out of a strung fiberglass material and when new, are royal blue in color. The color is an important indicator to whether your HVAC system is first of all working, and also when it would be a good time to replace your filter. You will notice your air filter change from its bright blue color to a dark grey from all of the dust it has collected. A general rule of thumb is to change your filter every 3 months. This however can vary depending on the amount of pet hair, dust, and factors such as smoke that can tend to clog them much more quickly.

Conclusion

If you already haven’t understood the importance of changing your filter regularly, then it is more than likely you will find out the hard way by having to replace a major component of your HVAC system, such as a coil or power supply. A clean filter will help the system to run more efficient keeping your monthly bill lower, and of course maintain better air quality in your home.

About the author

This article was written by Nick Quinlan. Nick had a degree in electrical engineering from UCF and has used his expertise in the industry to become a content writer for Facemyer Air Conditioning and Heating.

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