Question 1

My house is from the early '80s and the ducts have never been touched. Is cleaning even the right call, or is it too late?

Accepted Answer

That's the most common situation we see in Agoura Hills. Original flex duct from that era is often 40-plus years old, and by now the inner liner can be brittle and the runs compressed or kinked where they've sagged across attic framing. Cleaning works fine on duct that's still intact, and plenty of it is. But if the liner is flaking or a run has collapsed, cleaning it won't fix the airflow problem underneath. We'll tell you which runs are worth cleaning and which ones are a replacement conversation. We'd rather you hear that up front than pay to scrub a duct that's failing.

Question 2

We get a fine layer of dust on everything, even with the windows shut. Is that coming through the ducts?

Accepted Answer

Partly, usually. Homes at the canyon mouths and along the 101 corridor take a steady load of oak pollen and fine vegetative dust off the surrounding chaparral, and wind pushes it through every gap in the building. Once it's inside, the return side pulls it in and the duct system redistributes it. Cleaning the supply and return, plus sealing up obvious leaks on the return where it's drawing from the attic, makes a noticeable difference. It won't stop dust entirely, nothing does here, but it stops your ductwork from acting as a reservoir that re-releases it every cycle.

Question 3

After a smoke event, how fast can someone get out here?

Accepted Answer

Smoke weeks are our busiest, and we schedule accordingly. When there's an active event the whole Conejo Valley calls at once, so same-week is realistic and same-day is not guaranteed. Outside of those stretches, we can usually get to Agoura Hills within a couple of business days. If you're calling because of smell rather than an emergency, waiting a few days costs you nothing; the particulate that settled in the return and on the coil isn't going anywhere.

Question 4

What does cleaning a house like mine actually cost?

Accepted Answer

The number here is driven mostly by the duct system itself, not square footage. Older tract homes with sheet metal trunks and a reasonable number of flex runs price out on the lower end. What pushes it up: hillside homes with long runs and multiple zones, systems where the attic access is tight or the equipment is buried in a crawl area, and houses where a second return was added later. We also quote the return side separately on homes that have taken repeated smoke loading, since that's where the heavy work is. We walk the attic and count runs before giving you a number.

Question 5

What usually goes wrong with duct systems around here?

Accepted Answer

A few problems repeat here. Flex duct disconnects at the trunk collar, where the strap failed and conditioned air now dumps into a hot attic. Sections get crushed or sharply bent from stored boxes or foot traffic over the years. Return-side leakage matters more here than most places, since the return pulls attic air full of the same pollen and fine dust blowing in from the woodland. We check for all of it while we're up there and show you photos rather than just describing it.

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