HVAC & Air Duct Mold Removal in Hendersonville, TN

Does living near Old Hickory Lake make HVAC mold more likely?

Being near the water doesn't put mold in your ducts by itself, but the summers here are long and humid, and the air conditioner has to pull a lot of moisture out of the air. That water collects on the coil and drains through the pan and condensate line. If any part of that path clogs, or if ducts run through a damp crawl space or a hot attic with leaky joints, the system stays wet long enough for growth. The Sumner County Flood Insurance Study also includes detailed analyses of Drakes Creek and its tributaries for the city, so homes close to those streams have a flood risk to keep in mind when equipment sits under the floor.

My house was built in the 1980s. Should I worry about the ducts?

The median year built for Hendersonville housing is 1989, so many homes are on their second or third air handler but may still have original duct runs. Older duct wrap compresses and tears, joints loosen, and boots at the ceiling can leak cold air into the attic, all of which invite condensation. Age alone isn't a reason for cleaning. A musty smell, visible growth, wet insulation or water at a register is. EPA's duct-cleaning guidance lists visible mold inside hard ducts or on other system parts as one situation where cleaning may make sense, and warns that it will come back if the moisture isn't fixed.

What does the cleanup include?

Expect the company to inspect the air handler, coil, pan and reachable duct runs, then seal off the work area and the registers. Hard metal surfaces are HEPA-vacuumed and cleaned; moldy duct board, lined duct and flex duct are removed and replaced. The drain, duct sealing or crawl space humidity gets fixed before the system runs again. Angi reports national ranges of about $600 to $2,000 for duct mold cleaning and $3,000 to $10,000 for HVAC system mold work; local prices vary.

A local note

About three-quarters of Hendersonville's homes are single-family, with a rental share a little under 30 percent. Renters can report unfixed leaks or moisture through the City of Hendersonville Building and Codes Department's online complaint form, which doesn't take anonymous complaints except in emergencies. The same department handles permits if ductwork or equipment is replaced.