Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable HVAC Cleaning Across Katy
HVAC cleaning in Katy typically costs $300 – $550 for a complete system cleaning, and most jobs are scheduled within 2 – 4 business days. If your air conditioner is struggling against Katy’s humidity or your vents are puffing dust onto the furniture, the fix is usually a mechanical cleaning of the entire system, not just the registers you can reach with a vacuum. We work throughout Katy every week, from Cinco Ranch to Old Katy, and we quote one flat price per system before a single panel comes off. Call (737) 727-2314 for a free estimate.
Cardinal Air Duct Cleaning is part of the Relay Home Co. family, founded in 2005. That means every Katy job runs on The Relay Visibility Guarantee: a live trackable arrival window, before-and-after photos of your own ducts, and a written price in your hand before work starts. No per-vent pricing games. No phone tag. A live person answers when you call, 24/7.
Why Cardinal Air Duct Cleaning Is Katy’s Preferred HVAC Cleaning Company
Katy homeowners call us because we show up with professional-grade equipment, a written price, and a plan. Our HVAC Cleaning team runs Rotobrush rotary brush systems and Nikro HEPA vacuums, not a truck-mounted shop vac. We background-check every technician, so you know the name of the person at your door before they ring the bell. Omar Haddad, our owner, holds every job to the same standard: if it’s not done right within 365 days, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it applies to every Katy booking without exception.
We hear the same story from Katy customers who call after a bargain crew left. They were quoted a low per-vent price, the tech cleaned the registers they could reach, and the return-side trunk was never touched. The dust came back in a month. Our process is different because our pricing is different: one flat price per system, agreed in writing before work starts. You see the same number on the invoice, no matter what we find inside.
Furnace Duct Cleaning in Katy
Furnace duct cleaning in Katy homes usually runs $300 – $450 for a single-system house, and it takes about 3 – 5 hours when done properly. This is the job that removes the construction grit, sheetrock dust, and pet hair that settles into your supply and return ducts over years of Katy summers and mild winters. We set up negative-pressure extraction, meaning the loosened debris goes straight into a HEPA-filtered vacuum instead of back into your living room. Then we run agitation tools through every supply and return run we can access.
Return-Side Trunk Cleaning
Most of the debris in a Katy furnace system never makes it past the return-side trunk. This is the big duct that pulls air back toward the blower. In newer subdivisions along the Grand Parkway, we regularly find construction dust from the original build still sitting in that trunk five years after move-in. We open it, clean it, and photograph it before and after.
Filter Replacement and Blower Inspection
While the system is open, we check the filter and the blower motor. A blower pulling hard against a loaded filter is one of the most common reasons Katy furnaces overheat or short-cycle. We document what we find and show you the photos, so you can see exactly what was removed.
AC Coil Cleaning in Katy
AC coil cleaning in Katy typically runs $200 – $400 when done as part of a full system cleaning, and it is the single highest-impact service for cooling efficiency in this climate. Katy’s summer humidity turns the evaporator coil into a damp, sticky surface that grabs dust, pet dander, and pollen. Over a season or two, that coating insulates the coil and forces your compressor to run longer for the same cooling. We clean the coil while the air handler is open, using professional-grade cleaners that do not etch the fins.
Evaporator Coil Cleaning
The evaporator coil sits inside your air handler and does the actual cooling work. When it is dirty, your rooms stay humid and your electric bill climbs. We access it, clean it, and show you the before-and-after difference. On homes in Cinco Ranch with original 15-year-old systems, this service often drops the supply air temperature by several degrees.
Condenser Coil Cleaning
The condenser coil lives outside, where Katy’s clay soil and mowing dust coat it. We flush it without damaging the fins, which keeps head pressure down and extends compressor life. This is not a rinse with a garden hose; it is a measured cleaning with the right tools.
Trusted Brands We Service in Katy
We service and clean every major HVAC brand found in Katy homes, including Carrier, Trane, Lennox, Rheem, Goodman, and American Standard. We also carry Guardsman filters and Aprilaire media, so if your system needs a filter upgrade we can handle it on the spot. Our techs work with Rotobrush brush systems and Nikro HEPA vacuums daily, and we stock common Katy-specific parts like 16x25x1 and 20x25x4 filters in the truck. That means fewer return trips and faster turnaround for Katy customers.
Common HVAC Cleaning Problems We See in Katy Homes
- Construction dust in fast-built subdivisions along the Grand Parkway corridor. Homes under five years old often still have sheetrock dust and insulation fragments in the return-side trunk. A standard register vacuum job never reaches this debris.
- Crushed or disconnected flex duct in older Cinco Ranch and Nottingham Country homes. A camera inspection reveals collapsed runs that no cleaning tool can fix. We photograph them and tell you honestly what needs repair versus what just needs cleaning.
- Clogged evaporator coils from Katy’s long, humid cooling season. The coil becomes a damp dust trap, and the system loses efficiency. This is the number one complaint we hear in August.
- Return-side trunk lint and debris in homes with pets. Katy yards produce fine clay dust, and dogs bring it inside. It settles in the return and recirculates through the whole house every time the blower runs.
Pricing for HVAC Cleaning in Katy, TX
A complete HVAC cleaning in Katy costs $300 – $550 for a typical single-system home. Furnace duct cleaning runs $300 – $450 on its own. AC coil cleaning runs $200 – $400, and is usually done while the system is open during a full cleaning. The price is set before we start and does not change at the door. No per-vent charges, no surprise add-ons. The variables that affect your quote are the number of systems, the size of the home, and whether any repairs are needed. Call (737) 727-2314 and we will give you a written range based on your home’s details.
We Also Serve Cities Near Katy
Cardinal Air Duct Cleaning serves Katy and the surrounding communities, including Fulshear, Richmond, Sugar Land, and Stafford. If you are in one of those areas, the same flat per-system pricing and 365-Day Done Right Promise apply. We coordinate scheduling from our Houston dispatch office, but our crews work in Katy weekly.
Serving Katy, TX - Our Local Coverage Area
We’re based in the Katy area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Cleaning in Katy
Most Katy homes need HVAC duct cleaning every 4 – 6 years, not every year. The exception is newer construction: if your home is under five years old, construction dust from the build is still working through the system, and one thorough cleaning will remove it permanently. Homes with multiple shedding pets or residents with allergies may benefit from every 3 – 4 years. If you are not sure, we can inspect the system and tell you honestly whether cleaning is warranted. Call (737) 727-2314 for an assessment.
We price per system, never per vent. A per-vent price is how bargain crews in Katy advertise a low number and then inflate it once they count your registers. We quote one flat price for the entire system before we start, and that number does not change. The price you sign is the price you pay.
Yes. Every Katy job includes before-and-after photographs of your registers, air handler, and the return-side trunk. The photos are part of The Relay Visibility Guarantee, and they are yours to keep. You will see what was removed and what the ducts look like after we are done. No other duct cleaner in Katy offers this as a standard part of the job.
We can clean around any installed equipment and we are familiar with Honeywell media cabinets, Aprilaire filters, and Guardsman filtration products. If your system has a UV light, an electronic air cleaner, or a media filter, we will work with it, not around it. We will also tell you if the equipment itself needs replacement rather than cleaning.
Because a proper HVAC cleaning in Katy takes 3 – 5 hours and requires scheduled access to the air handler, return plenum, and supply runs. Anyone promising same-day cleaning is cutting corners. We schedule the job properly, show up with the right equipment, and finish it right the first time. If you have an urgent situation, call (737) 727-2314 and a live person will give you the next available window.
If your system has never been opened, or if it has been five years since the last cleaning, call (737) 727-2314. We will give you a written price per system, a trackable arrival window, and before-and-after photos of your own ducts. That is the way HVAC cleaning in Katy should work.
Written by Omar Haddad, Owner at Cardinal Air Duct Cleaning, serving Katy since the brand’s founding in the Relay Home Co. family in 2005.




Before
After
Before
After
Before
After