Air Duct Cleaning in Whanganui

There's no fixed schedule — clean when there's visible mould, vermin, renovation dust, or significant debris buildup. In practice every 3-5 years is typical for forced-air homes, sooner after building work or if filters blacken quickly.

Lint-clogged dryer vents are a leading cause of house fires and make dryers run long and hot. Annual cleaning of the vent run — not just the lint trap — restores airflow, cuts drying times, and removes the fire risk. It's cheap relative to the risk.

In Whanganui, whole-system pricing depends on vent count and system count. Beware coupon offers far below market — the classic scam is a cheap teaser price followed by aggressive on-site upselling for 'mould remediation'. Get vent count and total price agreed in writing.

Usually no — blanket chemical fogging is discouraged unless there's confirmed microbial growth and the product is approved for HVAC use. Mechanical cleaning plus fixing the moisture source addresses the cause; fogging is the most-upsold, least-needed add-on.

Proper source-removal cleaning puts the system under negative pressure with a high-power vacuum, then agitates each duct run with rotating brushes or compressed-air whips so debris is pulled to the collector — not blown into the house. Register covers, the air handler, and coils should be included.

Evidence is mixed for routine cleaning of already-clean ducts. It clearly helps when ducts contain mould, construction dust, pest debris, or blockages. Pairing cleaning with better filtration and sealing duct leaks delivers more measurable benefit than cleaning alone.

A typical single-system home takes 2-4 hours with a two-person crew. Larger homes, multiple air handlers, or heavy contamination stretch to a full day. Be suspicious of anyone promising a whole house in under an hour.

The filter is the routine item (annually), but ducts in dusty roof cavities benefit from cleaning every few years — especially if the intake sits near insulation fibres. Clean ducts keep positive-pressure systems actually delivering filtered air.