2 service pages · prices from homeowner-reported quotes, 2025-01-01 to 2026-09-29
Two indoor-air jobs get sold hardest in a humid state: humidity control and UV lights. The EPA's position on both is narrower than most sales pages. Humidity should stay under 60 percent, ideally 30 to 50 percent (EPA mold and moisture guide), and the EPA calls source control and ventilation the most effective ways to improve indoor air (EPA air cleaner guide).
Dehumidifier installation covers when a dehumidifier is the right fix and when the AC or its drain is the real problem. Indoor air quality and UV lights covers what the EPA says UV lamps can and cannot do in a home. Neither page has a price, because we do not have enough homeowner-reported quotes to state one.
Source: HVACPro analysis of homeowner-reported quotes and invoices in public Reddit posts, 2025-01-01 to 2026-09-29. Each service page shows the middle half and the report count. Repair medians are U.S.-wide. Card photos are stock images, not our work, credited on each service page.
Simplified drawing, not to scale. Real systems vary: the indoor unit can sit in an attic or closet, the ducts can run in the attic or under the floor. Original illustration, not a photo.
2
air quality jobs, each with its own service page, reported prices and local data
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Counts: businesses with an active license and a city address in the Tampa Bay outer ring, from FL DBPR construction licensee extract (CONSTRUCTIONLICENSE_1.csv), retrieved 2026-10-05. A license says the state permits the work, not that the work is good.
| Topic | EPA position | Source |
|---|---|---|
| Keep indoor humidity | Below 60 percent, ideally 30 to 50 percent | EPA mold and moisture guide |
| First and most effective step | Reduce or remove pollutant sources and ventilate with clean outdoor air | EPA air cleaner guide |
| Filter for a central system | MERV 13 or as high as your system can accommodate | EPA air cleaner guide |
| UV lamps in a home | Limited effectiveness on bacteria and mold; dead spores can still cause allergic reactions | EPA on UV and mold |
| Ozone | Air cleaners with ionizers, plasma or UV lacking adequate lamp coatings may emit ozone, a lung irritant | EPA air cleaner guide |
| Duct cleaning | Never shown to prevent health problems; warranted only for visible mold, vermin or heavy dust release | EPA duct cleaning |