Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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 Air Duct Cleaning Across St. Petersburg
Air duct cleaning in St. Petersburg, FL typically runs $450 – $850 for a full residential system, and most jobs take a single afternoon. That’s the honest number, and it’s what you should expect to pay a real crew that pulls actual debris from your ducts rather than waving a shop vac at a few vent covers. If you live in Kenwood, Old Northeast, Magnolia Heights, or anywhere else in the Sunshine City, call Cardinal Air Duct Tampa at (850) 403-3474 and we’ll give you a written price before a single duct is touched. We also offer Dryer Vent Cleaning - St. Petersburg for full-home safety.
St. Petersburg homes are different from what you’ll find 20 miles inland. Salt air, humidity that never quits, and ductwork that’s been moving air since Eisenhower was in office. We know exactly what that combination does to a system. And we know how to fix it without turning your living room into a dust storm.
Here’s the short version: most standard air duct cleanings in St. Petersburg run $450 – $850 for a typical single-family home. Commercial jobs range higher, typically $1,200 – $3,000 depending on square footage and access. The work is scheduled, not rushed. You get a live trackable arrival window, before-and-after photos of your own ducts, and a written price that does not change at the door. That’s The Relay Standard, and every Cardinal Air Duct Tampa job is held to it.
Why Cardinal Air Duct Tampa Is St. Petersburg’s Preferred Air Duct Cleaning Company
We’re part of the Relay Home Co. family, founded in 2005, and we operate under The Relay Visibility Guarantee. For St. Petersburg homeowners, that means a few things. You get a live arrival window you can track from your phone. You get before-and-after photos of the actual work, not stock images. You get a digital invoice payable by link. And every job is backed by the 365-Day Done Right Promise: if the work isn’t right within a full year, we return and correct it at no charge. No fine print, no proration, no “that’s not covered.”
Omar Haddad leads our crew, and he’s built the St. Petersburg operation around one principle: show the customer what you did. Every tech is background-checked and arrives in uniform. You’ll know the tech’s name before they open the door. Calls are answered by a live person, day or night, not a voicemail tree. No phone tag, no “we’ll call you back within one business day.”
We run Rotobrush rotary brush systems, Nikro HEPA-rated vacuum extraction units, and Abatement Technologies containment equipment. That matters because duct cleaning in St. Petersburg’s older homes requires negative-pressure extraction, which means the loosened debris goes straight into the vacuum, not back into your living room. A truck-mounted shop vac can’t hold that seal on a 1963 galvanized duct run. Our equipment can.
And yes, we’re the same crew that serves St. Petersburg neighborhoods from the beaches to the bayou. We know the streets, we know the housing stock, and we know what hides inside 60-year-old ductwork in this city.
Styles & brands we work with




Air Duct Inspection in St. Petersburg
In St. Petersburg, an air duct inspection is the smart first step for any home built before 1980, especially those concrete block and stucco houses in Magnolia Heights, Kenwood, and Disston Heights. Before we clean anything, we run a video scope through your supply and return ducts to document what’s actually in there. An air duct inspection in St. Petersburg typically runs $95 – $195, and we credit that full amount toward a full system cleaning if you book within 30 days.
What the Camera Shows Us
We look for rust scale on galvanized seams, construction debris, mold on insulation, and leaks where attic air is getting pulled into the supply side. In St. Petersburg, the camera regularly finds pitted metal from decades of salt air exposure, a problem you simply don’t see in subdivisions 20 miles inland. We also check for disconnected flex ducts and rodent activity, both of which are common in older St. Petersburg homes where ductwork runs through attics and crawlspaces.
When to Book an Inspection
Book an inspection if you’ve lived in your St. Petersburg home for more than three years and have never seen the inside of your ducts. Also book one before closing on an older home in neighborhoods like Old Northeast or Uptown, where original ductwork from the 1940s and 1950s may still be in place. A $150 inspection can save you from buying a house with a duct system that needs to be fully replaced, not cleaned.
Residential Air Duct Cleaning in St. Petersburg
Residential air duct cleaning in St. Petersburg homes is our core service, and it runs $450 – $850 for a standard single-family system. That’s the whole-system price, agreed in writing before we start, and it doesn’t change after the van pulls up. For many St. Petersburg homeowners, especially those in 55+ communities like Dolphin Cay or retirement neighborhoods near the bay, the trigger is a persistent musty smell or a plume of dust from every register when the AC kicks on.
What Actually Happens During a Cleaning
We seal your system so the vacuum is connected directly at the air handler, then run a Rotobrush agitation system through every supply and return run. Nikro HEPA filtration catches the debris at the point of collection. We don’t just bang on the ducts and hope. After cleaning, we show you before-and-after photos of your own system, so you know the work actually happened.
Cleaning Both Sides Matters
In St. Petersburg’s humid climate, cleaning only the supply ducts while skipping the return side means mold spores from 1960s-era return drops just recontaminate everything within weeks. Our full system cleaning covers both sides, the air handler, and the plenums. That’s why we call it Air Duct Cleaning, not “vent wiping.”
Trusted Brands We Service in St. Petersburg
St. Petersburg homes carry a mix of duct types and HVAC brands, and we service all of them, including Lennox repair in St. Petersburg. We see a lot of Guardsman filtration components in newer St. Petersburg builds and plenty of Honeywell media cabinets in older homes that were retrofitted for central air. We keep Guardsman, Honeywell, and Aprilaire replacement filters and media stocked for quick swaps during cleanings, so if your filter media is shot, we fix it then and there. No second truck roll, no “parts are on order.”
See the difference
Before
After
Before
After
Before
AfterCommon Air Duct Cleaning Problems We See in St. Petersburg Homes
- Salt-air corrosion on galvanized ducts: In 1950s – 1970s concrete block homes in Kenwood and Magnolia Heights, Gulf salt air corrodes galvanized steel at the seams. This causes leaks that pull hot attic air and blown-in insulation into the supply side. Agitation alone breaks loose rust scale that re-enters the living space if the vacuum isn’t sealed to the air handler, so we always clean under negative pressure.
- Original 1940s – 1950s built-in ductwork: Old Northeast and Crescent Lake homes often still have their original built-in ducts. These contain layers of plaster dust from long-ago renovations and sometimes remnants of coal-fired heating systems. We’ve pulled 9 pounds of debris from a single 1948 bungalow in Old Northeast.
- Construction debris in attic returns: Magnolia Heights rentals and flipped homes often have chunks of old plaster and drywall inside attic return ducts. These jam blower motors and starve airflow to the back bedrooms. A video inspection finds them fast.
- Mold in humid return drops: St. Petersburg’s humid subtropical climate means AC runs nearly year-round. That constant condensation creates the perfect environment for mold inside return drops, especially in homes where the return side hasn’t been cleaned in decades.
Pricing for Air Duct Cleaning in St. Petersburg, FL
Here are the real numbers for St. Petersburg, FL. A standard residential air duct cleaning runs $450 – $850 for a typical single-family home, with the final figure determined by system size and access. Air duct inspection runs $95 – $195, credited toward a full cleaning if you book within 30 days. Commercial duct cleaning runs $1,200 – $3,000 depending on square footage. That’s it. One flat price per system, agreed in writing before work starts, no per-vent pricing, no door-knock add-ons. We will not quote you one number and hand you another invoice once the van leaves your driveway. Call (850) 403-3474 for a free estimate on Air Duct Cleaning in St. Petersburg.
We Also Serve Cities Near St. Petersburg
Cardinal Air Duct Tampa provides air duct cleaning to St. Petersburg homeowners and to nearby communities in Pinellas and Hillsborough counties, including Tampa, Brandon, Riverview, and Palm Harbor. Dispatch and scheduling are coordinated from the brand’s Miami office, but our crews work St. Petersburg jobs locally and know the terrain. Call (850) 403-3474 to confirm coverage in your specific neighborhood.
Serving St. Petersburg, FL - Our Local Coverage Area
We’re based in the St. Petersburg 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 Air Duct Cleaning in St. Petersburg
Yes, St. Petersburg’s 1950s cement block homes typically need air duct cleaning every 2 – 3 years, compared to every 3 – 5 years for newer construction. The reasons are specific to this city: salt air corrodes galvanized duct seams, humidity feeds mold growth inside return drops, and original ductwork from that era was never designed for modern AC runtimes. Add in plaster dust from decades of renovations and you get accumulation that newer homes simply don’t see at the same rate. Call (850) 403-3474 to schedule an inspection and see what’s actually in your ducts.
In most Old Northeast bungalows, yes, air duct cleaning removes the source of the musty smell. The odor is typically caused by mold on dust and insulation inside return drops, along with decades of accumulated plaster dust and even coal-era residue in original ductwork. When our crew cleaned a 1948 bungalow in Old Northeast with original built-in ducts, we pulled 9 pounds of debris from the supply and return runs, and the homeowner said the musty smell from the registers disappeared within a day. For an exact diagnosis, call (850) 403-3474.
We schedule St. Petersburg 55+ community work at the resident’s preferred time, never rush the job, and keep noise contained by running our equipment outside where possible. We assign a single lead technician throughout, so seniors deal with one familiar face, not a rotating crew. We also provide written before-and-after documentation, which helps when family members or caregivers want to see what was done. Call (850) 403-3474 to discuss specific timing or access needs.
Yes, we use a rotary brush system sized for each duct run, and for St. Petersburg homes with retrofitted attic HVAC and older flex duct, we adjust agitation speed and brush diameter so we don’t tear the liner. The Rotobrush system is designed specifically to clean without damaging flex duct when sized correctly. We also inspect for disconnected flex runs and seal leaks before cleaning. A written price covers the whole system, including any flex runs, and you’ll see before-and-after photos of your own ducts. Call (850) 403-3474 to book.
No, we keep the noise as contained as possible by running the Nikro HEPA vacuum unit outside the home or at the farthest point from living areas, and our technicians are trained to communicate clearly, including writing down key points for anyone with hearing aids. The process does not require you to move furniture or leave the home. For St. Petersburg seniors in 55+ communities, we schedule a low-traffic arrival window and keep the work contained to the ducts themselves. Call (850) 403-3474 to discuss any specific concerns.
Written by Omar Haddad, Owner at Cardinal Air Duct Tampa, serving St. Petersburg, FL.