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Delivery Update June 25th 2026
Interislander ferry sailings have been suspended due to severe weather across New Zealand.
Delivery delays of at least 3–4 days are expected due to disruptions affecting freight between the North and South Islands. We appreciate your patience and understanding while these conditions continue.

HRV


Generation 1 HRV System
High Efficiency - Grade F7 - EU7
Filter class - EN779 - Eurovent 4/4 Performance data based on ASHRAE 52.2.1992

Generation 2 HRV System
High Efficiency - Grade F8 - EU7
Filter class - EN779 - Eurovent 4/4 Performance data based on ASHRAE 52.2.1992

New Zealand HRV units require either; the Generation 1 F7 Box type filter, if your box is a metal box (if you have a twin fan model HRV, you will require 2 x filters - one for each fan), or a Generation 2 F8 Box type filter if you have a plastic box