Duct Sanitation and Ultraviolet Light Installation Project in Largo, FL 33778
Home Therapist Cooling, Heating, and Plumbing completed a duct sanitation and ultraviolet light installation project. Read more here!
Read full storyLargo has a large number of homes built from the 1960s through 1980s, and the ductwork in these properties has been collecting dust, pollen, and humidity-related mold for 40 to 60 years in many cases. Homeowners who have never had their ducts cleaned are breathing recirculated contamination every time the AC runs.
Licensed HVAC technicians delivering professional air duct service in Largo and the Tampa Bay area for over a decade.
Licensed (CAC1819196), Bonded & Insured.Whether it’s a small service call or a major job, our team provides clear, upfront pricing to Largo homeowners.
Home service problems can’t wait, that’s why we guarantee fast response and same-day service for Largo residents.
Since 2017, Home Therapist Cooling, Heating, and Plumbing has been keeping Largo homes comfortable year-round. Whether you live near Largo Public Library, Largo Community Center, Central Park Performing Arts Center, Heritage Village, or out by George C. McGough Nature Park, our licensed technicians (license CAC1819196) provide same-day air duct cleaning with upfront pricing with FREE diagnosis. We have completed over 1,100 five-star jobs across the Tampa Bay area and our trucks are stocked with parts for Carrier, Trane, Lennox, Rheem, and every major brand. Largo weather pushes home systems hard, and when yours stops working, we get there fast and fix it right the first time.
★★★★★PlumbingFast within hr of call. And fast service on fix also explained all he was going to do and did. Showed me the outside water meter was,shut off and how it works…
★★★★★Easy to setup. Fare price. Knows the job.
★★★★★They made the entire process quick and easy from start to finish. Someone was able to come out the same day, and their communication was excellent throughout the whole process. I never…
★★★★★PlumbingI had a great experience with Alejandro from Home Therapist Cooling, Heating, and Plumbing. He repaired two toilets and installed the water line to my new refrigerator after the delivery team refused…
★★★★★AC repairAmazing service from start to finish. My AC system completely stopped working, and they were able to come out the same day, which was a huge relief. The technician was professional, knowledgeable,…
★★★★★Water heaterAs an engineer/fabricator/assembler, I have high standards from my contractors. This guy Sam, he fulfilled all my requests and installation needs. He took pride of his work, and left me with a…
★★★★★PlumbingA big THANK YOU to Home Therapist Cooling, Heating and Plumbing for running sewer pipes to our RV and shed! Samuel was beyond amazing! He was prompt, professional, and his communication style…
The older duct systems in Largo are often a mix of sheet metal trunk lines and flex duct branches, and both types accumulate debris over time. Largo homeowners replacing an AC system should schedule a duct cleaning at the same time so the new equipment starts with clean ductwork and delivers the best possible air quality from day one. In the Largo Central Park area and along Indian Rocks Road, ranch-style homes from the 1960s and 1970s with original ductwork show the most dramatic improvement after a professional cleaning. Near Bardmoor and Largo Medical Center, larger homes with more extensive duct systems benefit from a thorough cleaning that addresses every run in the system.

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We help Tampa Bay homeowners improve indoor air quality, lower energy bills, and extend HVAC system life with professional ductwork and air treatment services. From duct sealing to air purification, we do it all.

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Home Therapist cleans air ducts throughout Largo, removing decades of accumulated debris from older duct systems and maintaining air quality in newer homes. Our process uses negative pressure vacuum equipment with mechanical brushes and compressed air tools to clean every duct in the system. For Largo’s older homes, we pay close attention to sheet metal trunk lines where dust accumulates in seams and at connection points.
Last updated: April 2026
Pricing updated April 2026. Prices are per vent. Free estimates on all ductwork.
| Service | Price |
|---|---|
| Value Duct Cleaning (per vent) | $90 |
| Premium Duct Cleaning (per vent) | $130 |
| Elite Duct Cleaning (per vent) | $180 |
| Duct Sanitation Only | $349 |
| Duct Sanitation Package | $799 |
For most Largo homes with 15 vents, Value cleaning runs about $1,350, Premium about $1,950, and Elite about $2,700. The Premium package at $130/vent is the best value for Tampa Bay because it includes sanitation treatment that addresses mold and bacteria growth caused by our high humidity. The Elite package with UV light is recommended for homes with visible mold or family members with respiratory conditions.
Largo covers six ZIPs (33770, 33771, 33772, 33773, 33774, 33778) across mid-century ranches, 55-plus communities like Greenbriar and Sun Plaza, and west-side coastal homes near Boca Ciega Bay. The duct cleaning challenge varies sharply by ZIP: 1960s through 1980s ranches in 33771 and 33773 have original sheet metal trunks that have never been cleaned, 55-plus communities in 33770 and 33774 have 1985 to 2005 flex duct systems with high pet dander loading from retirees who keep small dogs and cats, and coastal homes in 33770 and 33778 within 2 miles of Boca Ciega Bay have salt-air corrosion on metal duct components. FREE estimates and FREE diagnosis on every Largo air duct cleaning visit.
Call (813) 343-2212 for Your FREE Largo Estimate
Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | 1,300+ Five-Star Reviews
Largo homeowners pick from three service levels depending on home age, location, and contamination. Standard NADCA Cleaning ($389 to $689) covers HEPA negative-air mechanical cleaning of all supply and return ductwork, plenum, coil surface, and registers, with photo documentation. Standard + Sanitize ($549 to $1,289) adds EPA-registered MMR antimicrobial fog after mechanical cleaning, recommended for original 1960s-80s ducts and any home with allergy complaints. Premium Clean + Sanitize + UV ($989 to $2,189) adds Halo LED UV at the coil to prevent regrowth, the right answer for 55-plus residents with respiratory conditions and coastal homes with humidity-driven biological growth.
Largo ranches built between 1960 and 1985 along East Bay Drive, Belleair Road, and 8th Avenue often still have original sheet metal supply and return trunks that have never been cleaned. We open these ducts and routinely find a quarter inch felted dust mat at the trunk floor and decades of debris in the plenum. NADCA rotary brushing with HEPA negative-air is the only way to remove this material safely, and we document with before and after photos on every Largo mid-century job.
Original sheet metal trunks need rotary brushing for 40-year accumulation.
Greenbriar, Sun Plaza, Lake Largo Village, and other Largo 55-plus communities have higher pet density per household than typical Tampa Bay suburbs, mostly small dogs and indoor cats. This loads return ducts with dander and hair at 2 to 3 times the rate of family homes. Allergy and asthma complaints in 55-plus residents are often traced to duct accumulation. Standard NADCA cleaning lifts this load and reduces airborne particulate significantly.
55-plus community pets load Largo return ducts faster than family homes.
Largo homes in 33770 and 33778 within 2 miles of Boca Ciega Bay sit in a Category 2 salt-air corrosion zone. Salt deposits on metal duct components, register frames, and coil fins accelerate degradation. We see corrosion-pitted register grilles in coastal Largo homes that need replacement during cleaning. Our service includes inspection of all metal components and recommendations for marine-grade replacements where corrosion has compromised function.
Coastal Largo salt air pits register frames and coil fins over time.
Real Home Therapist jobs from Largo neighborhoods. Click any job to see the full story, parts, photos, and outcome.

July 2025 · 23 photos
Home Therapist Cooling, Heating, and Plumbing completed a duct sanitation and ultraviolet light installation project. Read more here!
Read full storyReal Google reviews from Tampa Bay homeowners. Source: Home Therapist verified Google Business Profile (1,300+ five-star reviews aggregate).
★★★★★
They worked on my AC and were very helpful and friendly. Definitely recommend them!!
— Muluken Damessa · Verified Google Review
★★★★★
The technician Dusty from Home Therapist was extremely professional and truly went above and beyond. He was knowledgeable, courteous, and took the time to explain everything clearly while making sure the job was done right. It’s rare to find someone who genuinely cares about...
— N · Verified Google Review
If you live in a Largo 55-plus community and have not cleaned ducts in the past 5 years, expect significant pet dander and biological accumulation. Respiratory conditions worsen with duct contamination, and most 55-plus residents see measurable improvement in indoor air quality within 48 hours of NADCA cleaning. We prioritize 55-plus calls for scheduling and offer financing with $0 down on Premium Clean + Sanitize + UV packages for residents on fixed income.
Want a Largo air duct cleaning quote? Call (813) 343-2212 for a FREE in-home estimate.
All projects include FREE in-home estimate, FREE diagnosis on existing equipment, and our 1-year parts & labor warranty.
From $389
Up to $2,189
Financing available with $0 down for qualifying applicants. The $279 minimum labor figure applies only to APPROVED repair work on existing equipment, never to a diagnostic visit. Estimates and diagnostics are FREE on every air duct cleaning service call across Largo.
Need it faster? Call (813) 343-2212.
Whether you live in a 1972 ranch in 33771, a Greenbriar 55-plus condo, or a coastal home off Indian Rocks Road, we size the cleaning to your home age, pet load, and salt-air exposure. Same-day or next-day estimates across all six Largo ZIPs with response from our Linebaugh shop in 25 to 35 minutes via East Bay Drive or Ulmerton Road.
Call (813) 343-2212 Schedule Online
Licensed CAC1819196 (HVAC) | CFC1431159 (Plumbing) | Serving Largo since 2017
Local air duct cleaning coverage: We provide air duct cleaning throughout Largo in Pinellas County, Florida. Largo is a mix of 1960s-80s homes with original HVAC systems near end-of-life and newer 55+ communities. We frequently handle ductwork replacements and SEER 16+ condenser upgrades as older systems fail.
Zip codes served in Largo: 33770, 33771, 33773, 33774, 33778.
Neighborhoods we serve near Largo: Belleair Bluffs, Bardmoor, West Bay, Belleair Country Estates.
Nearby landmarks: Largo Central Park, Heritage Village, Florida Botanical Gardens. Our average response time to Largo is under one hour for standard service calls.
Free estimates, free diagnosis: Every air duct cleaning call in Largo includes a free on-site diagnosis. Call (813) 343-2212 for same-day service.
Air duct cleaning in Largo typically costs $300 to $500 for a standard home. Homes from the 1960s and 1970s that have never had their ducts cleaned may run toward the upper end due to heavier contamination. Larger homes with multiple systems can cost $500 to $800. Home Therapist provides a flat-rate quote before work starts.
A: Signs include visible dust blowing from vents, musty or stale odors when the AC runs, increased allergy symptoms at home, uneven airflow between rooms, and dust buildup around vent registers. In Largo, where concrete block with flat or low-slope roofs homes from the 1970s to 1980s run AC nearly year-round, ductwork accumulates dust, pollen, pet dander, and mold spores faster than in drier climates. If you have never had your ducts cleaned or it has been more than 5 years, an inspection is a good starting point.
A: Professional air duct cleaning in Largo typically costs $400 to $800 for a standard home depending on the number of vents, system size, and ductwork accessibility. concrete block with flat or low-slope roofs homes from the 1970s to 1980s with standard ductwork are on the lower end. Beware of $99 whole-house duct cleaning ads because those usually come with aggressive upselling. Our pricing is upfront and includes all vents, returns, and the main trunk line.
A: A thorough air duct cleaning for a standard Largo home takes 3 to 5 hours. We clean every supply vent, return vent, and the main trunk line using professional negative-pressure equipment. concrete block with flat or low-slope roofs homes from the 1970s to 1980s with typical duct layouts are straightforward. Larger homes with multiple zones or complex ductwork may take longer. We work to minimize disruption and protect your floors and furniture.
A: Every 3 to 5 years for most Largo homes. Homes with pets, allergy sufferers, smokers, or recent renovation work should consider every 2 to 3 years. In Largo, where AC runs nearly year-round and inland heat and dust brings in extra particulates, ducts accumulate debris faster than in seasonal climates. After any water intrusion or suspected mold, get your ducts inspected immediately.
A: Yes, duct cleaning is an important step in addressing mold in your HVAC system. Florida’s humidity makes ductwork a prime environment for mold growth. In Largo, concrete block with flat or low-slope roofs homes that run AC constantly create condensation conditions inside the ductwork. We inspect for visible mold during cleaning, and if we find it, we recommend treatment and prevention strategies including UV lights, dehumidification, and improved insulation on duct runs to reduce condensation.
A: Yes. Removing accumulated dust, pollen, pet dander, mold spores, and debris from your ductwork reduces the amount of particulates your system circulates through your home. In Largo, where allergy season is nearly year-round and inland heat and dust brings in additional irritants, clean ducts make a measurable difference for residents with asthma, allergies, or respiratory sensitivities. Pairing duct cleaning with a quality filter upgrade maximizes the air quality improvement.
A: If your ductwork has leaks, sealing them is one of the best investments you can make. Leaky ducts can lose 20 to 30 percent of your conditioned air into attics, crawl spaces, or between walls. In Largo, where concrete block with flat or low-slope roofs homes from the 1970s to 1980s often have aging ductwork, sealing eliminates wasted energy and improves comfort. We can test duct leakage during the cleaning and recommend sealing if the losses are significant enough to justify the cost.
A: UV-C germicidal lights installed in the air handler or ductwork kill mold, bacteria, and viruses as air passes through. In Largo’s humid climate, UV lights are especially effective at preventing mold growth on the evaporator coil and in the ductwork. They do not replace duct cleaning but help keep the system cleaner between professional cleanings. We install UV light systems as an add-on to duct cleaning or as part of a comprehensive air quality upgrade.
A: Call us at (813) 343-2212 or book online at hometherapist.pro. We provide professional air duct cleaning throughout Largo, including Largo Central Park area, Bardmoor, Ridgecrest and all of Pinellas County. We will schedule a convenient time, provide upfront pricing, and leave your home cleaner than we found it.
A: Yes, all six Largo ZIPs (33770, 33771, 33772, 33773, 33774, 33778) including Greenbriar, Sun Plaza, Lake Largo Village, and all 55-plus communities. Response 25 to 35 minutes.
A: Yes. We recommend keeping pets in one room during mechanical cleaning. After sanitize step, pets and family safe to re-enter all areas 30 minutes after application.
A: We offer financing with $0 down for qualifying applicants and prioritize 55-plus scheduling. The standard tier price already reflects fair pricing without padding.
A: Yes, over time. Coastal Largo homes in 33770 and 33778 should have coil cleaning every 2 to 3 years to prevent salt-driven corrosion. We inspect during every duct cleaning visit.
A: Yes. FREE in-home estimate including ZIP-specific inspection and photo documentation. The $279 minimum applies only to APPROVED repair labor, never to a diagnostic visit or estimate.
Same-day air duct cleaning across Tampa Bay
★★★★★PlumbingFast within hr of call. And fast service on fix also explained all he was going to do and did. Showed me the outside water meter was,shut off and how it works…
★★★★★Easy to setup. Fare price. Knows the job.
★★★★★They made the entire process quick and easy from start to finish. Someone was able to come out the same day, and their communication was excellent throughout the whole process. I never…
★★★★★PlumbingI had a great experience with Alejandro from Home Therapist Cooling, Heating, and Plumbing. He repaired two toilets and installed the water line to my new refrigerator after the delivery team refused…
★★★★★AC repairAmazing service from start to finish. My AC system completely stopped working, and they were able to come out the same day, which was a huge relief. The technician was professional, knowledgeable,…
★★★★★Water heaterAs an engineer/fabricator/assembler, I have high standards from my contractors. This guy Sam, he fulfilled all my requests and installation needs. He took pride of his work, and left me with a…
★★★★★PlumbingA big THANK YOU to Home Therapist Cooling, Heating and Plumbing for running sewer pipes to our RV and shed! Samuel was beyond amazing! He was prompt, professional, and his communication style…
Richard co-owns Home Therapist Cooling, Heating, and Plumbing and holds the FL Class B Air Conditioning Contractor license (CAC1819196) since 2017. The company holds licenses CAC1819196 (FL Class B AC Contractor, Richard Morales) and CFC1431159 (FL Plumbing Contractor, Alex Morales), serving the Tampa Bay metro with a six-technician field team and 1,378+ verified five-star reviews.
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