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Indoor Air Quality

Practical Homeowner Guide to Indoor Air Quality

By Rayside Heating & AirPublished: 2026-07-08

Living in Southern California means managing high dust levels, smog, and seasonal wildfire smoke. Protecting your indoor air quality is vital. We recommend upgrading to a MERV 13 pleated media filter and running your system's fan on 'circulate' mode during smoggy days. Installing a whole-home UV air purifier can destroy mold spores and viruses inside your ductwork before they enter your rooms.

For system checks, filter upgrades, or scheduling help, our certified team is ready to assist you.

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