Indoor Air Quality

How to Clean Ducts Before Allergy Season

By 6 min read

Spring allergy season in Southern California is brutal — and your ductwork may be making it worse. Here's what you need to know about duct cleaning and indoor air quality.

Spring in Temecula and the Inland Empire means beautiful wildflowers — and brutal allergy season. The combination of high pollen counts, Santa Ana winds, and the dust those winds carry makes Southern California one of the tougher regions in the country for allergy sufferers. If your home doesn't feel like a refuge from the outdoor air, your ductwork may be part of the problem.

What Accumulates in Your Ducts

Over years of operation, your ductwork collects a surprising variety of contaminants:

Every time your HVAC system runs, it circulates air through these ducts — and whatever is in them gets distributed throughout your home.

When Duct Cleaning Makes Sense

The EPA and NADCA (National Air Duct Cleaners Association) recommend duct cleaning when:

What Professional Duct Cleaning Involves

A professional duct cleaning is not a quick job. Our technicians use truck-mounted vacuum equipment that creates negative pressure in your duct system, combined with rotary brushes that dislodge accumulated debris. The process typically takes 3–5 hours for a standard home and includes cleaning all supply and return ducts, registers, grilles, and the air handler components.

Be cautious of companies offering very low prices for duct cleaning — a proper job requires significant equipment and time. Inadequate cleaning can actually stir up debris without removing it, temporarily worsening air quality.

Complementary Indoor Air Quality Measures

Duct cleaning is most effective when combined with other IAQ improvements:

Call On Time Home Services at (951) 277-6895 to schedule a professional duct cleaning before allergy season peaks. We serve Temecula, Murrieta, Menifee, and all of Southern California.

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