HVAC & Air Duct Mold Removal in Spring Hill, TN

Clues that the system has mold

• A damp, earthy odor when heating or cooling starts.
• Visible spotting on the coil, blower wheel or inside the cabinet door.
• Moisture or rust in the drip pan, or a float switch that keeps shutting the unit down.
• Wet duct insulation in the attic, or drips from a ceiling register in summer.
• Growth around the return grille or on the filter.

Why Spring Hill systems get wet

Spring Hill has grown quickly, and a newer house isn't immune. Attic air handlers and duct runs in a hot attic depend on tight joints, solid insulation and a clear drain; when any of those fail, water collects. Newer homes are also built tight, so the AC carries much of the load of drying indoor air, and an oversized or poorly maintained unit can leave rooms clammy. EPA suggests keeping indoor humidity below 60 percent.

Flooding is the other risk. In the May 2010 flood, about 13.2 inches of rain fell over two days and the Duck River overran parts of Spring Hill. Equipment in a crawl space or on a lower level that took on water should stay off until checked, and EPA says anything not dried within 24 to 48 hours should be treated as moldy. The city's building department checks construction for conformance with the National Flood Insurance Program and FEMA rules, so ask it about your property's flood status before rebuilding.

Price drivers

Angi reports national ranges of about $600 to $2,000 for mold cleaning in air ducts and $3,000 to $10,000 for HVAC system mold work, and prices around Spring Hill vary. Attic access, the amount of flex or lined duct to replace, coil cleaning and the moisture fix decide where a job lands. Jobs of $25,000 or more need a contractor holding a Tennessee contractor's license, and mold remediation is the S-F classification.

When you call

You'll be connected with an independent local mold remediation company. Expect questions about the smell, the location of the equipment and any water. The visit should produce a written scope. Replacement ductwork or equipment may need a permit from the City of Spring Hill Building Codes and Inspection Department. Renters with an unfixed leak can contact the city's Codes Enforcement Division through its Citizen Portal. For health questions on the Williamson County side, contact the Williamson County Health Department in Franklin; on the Maury County side, use the state's local health department list.