Mould in the ductwork is one of the few cases where the authorities agree cleaning is clearly warranted. Barrie Duct Cleaning Pros removes visible mould from Barrie ducts with a proper source-removal process, and, just as importantly, tells you honestly when the real fix is the moisture causing it.
Prefer to talk? Call
(249) 444-8673We give you a published, all-in price for your home before we start, and clean the system properly under negative air. No $99 ad games.
- Published pricing, locked before we start
- Negative-air, source-removal process
- Honest advice if you don't need it yet
- Dryer-vent lint cleared for fire safety
- Before-and-after shown on the spot
Barrie & Simcoe County
Get a straight quote
Tell us about your home and we’ll come back with a published price and a time. No obligation, no on-site surprise.
What we handle
- Visible mould growth in the ducts or on registers
- A persistent musty, damp smell from the vents
- Systems after a leak, flood or high humidity
- Removal under negative air, then treatment
- Honest guidance on the moisture source
This is a real reason to clean, and we treat it that way
The EPA is cautious about routine duct cleaning, but it is clear on one point: clean the ducts when there is visible mould. If you can see it on the registers or in the runs, or the airflow smells persistently musty, that is a genuine trigger, not a made-up one.
We remove it with a proper negative-air, source-removal process, where rotary brushes and air whips loosen the debris and a negative-air vacuum pulls it out of the system, capturing it under negative air so it leaves the house, then treat the surfaces with an EPA-registered product where appropriate.
The honest part: fix the moisture or it comes back
Mould grows because something is wet, a leak, condensation, high humidity. The EPA is explicit that if the moisture source is not corrected, the mould returns no matter how well the ducts are cleaned. We will tell you where the moisture is coming from, even when the real fix is a repair we do not do. That honesty is the point.
Honest advice for Barrie homeowners
In Barrie, damp basements, humidity and the odd leak all feed duct mould. We remove what is there properly and are straight with you about the cause. We will not sell you a repeat cleaning every year while ignoring the moisture that keeps bringing it back.
What duct mould cleaning costs in Barrie
A duct cleaning with mould removal is priced on the home-size published range, plus the optional EPA-registered treatment where it helps. We quote it up front after understanding the situation, and we flag the moisture source honestly.
| Home | What's included | Typical all-in |
|---|---|---|
| Small home / condo (up to ~10 vents) | All vents, returns, trunk lines | $249 to $329 |
| Average Barrie home (10 to 15 vents) | Vents, returns, trunk lines, furnace | $329 to $429 |
| Large home (16+ vents, two systems) | Full system, both furnaces | $429 to $600 |
| Dryer vent cleaning (add-on) | Vent line cleared end to end | $99 to $149 |
Try the free duct cleaning estimator for a published range in seconds, or see the full cost breakdown.
Frequently asked questions
Should I clean my ducts if there is mould?
Yes. Visible mould in the ducts is one of the clearest cases the EPA agrees warrants cleaning. We remove it under negative air and treat the surfaces where appropriate.
Will cleaning get rid of the mould for good?
Only if the moisture causing it is fixed. The EPA is explicit that mould recurs if the source, a leak, condensation or humidity, is not corrected. We tell you where it is coming from.
How do I know if I have mould in my ducts?
Visible growth on the registers or in the runs, or a persistent musty, damp smell from the vents, especially after a leak or a humid stretch.
Do you fix the moisture problem too?
We are a cleaning service, so we remove the mould and identify the moisture source, but a leak or humidity repair is a job for the relevant trade. We are honest about that rather than papering over it.
Is the treatment safe?
We use an EPA-registered product per its label and advise keeping people and pets clear during application and until it settles.
How much does mould removal cost?
The home-size cleaning price plus optional treatment, quoted up front after we understand the situation.
Related services
See also Sanitizing & deodorizing, Air duct cleaning, what it costs.
Reviewed August 2026.
Prefer to talk? Call
(249) 444-8673We give you a published, all-in price for your home before we start, and clean the system properly under negative air. No $99 ad games.
- Published pricing, locked before we start
- Negative-air, source-removal process
- Honest advice if you don't need it yet
- Dryer-vent lint cleared for fire safety
- Before-and-after shown on the spot
Barrie & Simcoe County
Get a straight quote
Tell us about your home and we’ll come back with a published price and a time. No obligation, no on-site surprise.