This site refers duct cleaning, which Texas lets an unlicensed contractor perform within strict limits. The work on this page is outside those limits. It is real work, sometimes needed, and it belongs to a licensed air conditioning contractor quoting under their own license. Here is what it is, when it is warranted, and how it should appear on a scope.
16 TAC §75.100 says a person without an air conditioning contractor license may clean the air distribution system from the supply plenum to the supply grilles and from the return grille to the air handler intake, provided no cuts are made to the ducts or plenums, no electrical connections are changed, and only removable grilles and registers are disassembled. Everything else is air conditioning contracting. The rule names one thing specifically as licensed: applying disinfectants, anti-fungals or anti-microbial products to the ducts, the plenums or the system, which it calls biomedical remediation.
So the licensed list is: the evaporator coil, the blower wheel and housing, the drain pan, the inside of the air handler cabinet, any cut-in access opening and the door that closes it, anything electrical, and any product sprayed or fogged into the system. A duct crew that offers those is offering what it may not sell, and a homeowner who buys them from an unlicensed crew has no license number to complain to.
As separate lines, each labeled as licensed, with the contractor who holds the license named. The duct cleaning contractor this site refers may work alongside a licensed contractor on the same job, or may tell you the coil looks fouled and leave the coil to whoever services your system. Either is fine. What is not fine is a single bundled “complete system cleaning” price that hides licensed work inside unlicensed, because then you cannot tell who did what or whether they were allowed to.
This is the whole reason the homepage opens with two columns instead of a trust strip. Most of what goes wrong in this market happens at the line between them.
They can shine a light through the filter slot and tell you it looks fouled. Opening the cabinet to clean it is licensed. A good crew says “you should have your HVAC contractor look at that” and leaves it there.
Because most of the job is duct cleaning, which is a different trade with different equipment, and because bundling the two is how the line gets hidden. Two clear quotes beat one blurry one.
No. It is an HVAC accessory installed in the air handler, licensed work, and one of the more common driveway upsells. Decide on it with whoever services your system, not with a duct crew.
Everything between the plenum and the grilles.
The estimator shows the licensed add-ons as their own line.
The site holds none, and may not display anyone else’s.
Say what you are seeing. If the coil or blower needs work, you will be told so and told who does it.
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Houston Duct