Aircon Servicing & Repair in Lower Hutt

The most common cause is a clogged condensate drain line — dirt and algae block the pipe and water backs up into the room. Other causes are a dirty evaporator coil that ices over and then melts, a cracked drain pan, or an incorrectly sloped drain pipe. A drain flush during a standard service usually fixes it.

A chemical wash uses a cleaning solution to strip dirt and mould from the evaporator coil, blower wheel, and drain pan without dismantling the whole unit. Book one when a normal service no longer fixes weak airflow, bad smells, or water leaking from the indoor unit — typically every 12-18 months for heavily used units.

A standard service covers cleaning or replacing filters, cleaning the evaporator coil and blower, flushing the drainage tray and pipe, checking refrigerant pressure, testing thermostat and controls, and inspecting electrical connections. It does not include repairs, parts, or refrigerant top-ups — those are quoted separately.

Once a year is the minimum for a system used seasonally; every 3-4 months if you run it daily in a hot climate. Regular servicing keeps coils and filters clean, which protects the compressor — the most expensive part to replace — and keeps energy use down.

A standard single-unit service is typically $120-$250, with multi-unit discounts. Deep hygiene cleans of mouldy indoor units run $200-$350. Winter is peak season in NZ since heat pumps are primarily used for heating — book a service in autumn.

Under the Healthy Homes Standards, rentals must have fixed heating capable of heating the main living room, which is often a heat pump — and the landlord is responsible for keeping it in working order. Tenants should clean filters and report faults in writing.