You have seen the ad: whole-house air duct cleaning, $49. Sometimes $69, sometimes “unlimited vents.” It runs constantly in South Florida, and it is almost never what it appears to be. Here is how to tell a real duct cleaning from a sales call with a... Short answer: a proper air duct cleaning takes 2 to 4 hours for a typical single-system South Florida home — longer for bigger houses, multiple systems, or ducts that haven’t been touched in a decade. Here’s what fills that time, and why... If someone in your house wakes up congested, sneezes through the morning, and feels better by lunch at work or school — your home’s air is a suspect, and your ductwork is where the evidence collects. The Duct-Allergy Connection Your AC system recirculates... In South Florida’s humidity, mold and air ducts are a natural — and unhealthy — pairing. Your AC system is dark, damp, and full of dust to feed on. Here’s how to tell if mold is in your ducts, what causes it, and what actually fixes it. Signs... Search for duct cleaning prices and you’ll find everything from $79 coupons to $2,000 invoices — and almost no explanation of the difference. Here’s an honest look at what air duct cleaning costs in South Florida in 2026, and why the cheap coupon is... How ducts get cleaned becomes significant when you think over that indoor air pollutants are often two to five times higher than those outside. The hidden dust, debris and contaminants lurking in your HVAC system can affect your home’s air quality by a lot....