Category

Ventilation & Heating

Black mould spreading across a white ceiling corner above a window streaked with rain.

What are signs of poor ventilation in a home?

An airflow meter held up to a ceiling extract vent to measure the air it moves.

What are the rules for ventilation in New Zealand?

A ventilation fan and insulated ducting in a roof space, with its control box mounted above.

Servicing a home ventilation system, and fixing one that has stopped

A round white ventilation diffuser set into a ceiling.

SmartVent models explained, and the add-ons worth paying for

An installer lifting a high wall heat pump indoor unit onto its wall bracket in an Auckland home

15 September 2026

Are heat pumps worth it in NZ?

A home ventilation system in a roof space, with insulated ducting, a filter box and a control unit

How much does a home ventilation system cost in NZ?

A technician connecting refrigerant gauges to an outdoor heat pump unit

Heat pump vs ventilation system: HRV, DVS and SmartVent

Heavy condensation running down the inside of a window pane onto the sill

How to stop condensation in your home: causes and solutions

An installer sliding a filter into a home ventilation unit in a roof space

HRV vs DVS vs SmartVent: which home ventilation system is best in NZ?