Explore our full product range
A high performance home needs high performance materials that have been tried and tested in the real world. We stock only the best PassivHaus products to ensure your build meets the stringent PassivHaus standards. Browse our full range of SIGA air and weather tightness products below, or click here to learn more about our ventilation systems and thermally-efficient joinery.

5Merchants CA180 Filter - F7
$35.00 exc NZ GST

5Merchants F7 Activated Carbon Filter (Odour)
$55.00 exc NZ GST

5Merchants F7 Filter
$40.00 exc NZ GST

5Merchants G4 Filter
$40.00 exc NZ GST

Airtight Electrical Flush Box
$6.50 exc NZ GST

AT25 Air Tight and Insulated Loft Hatch
$274.00 exc NZ GST

CK 20 Fan Assisted Heater
$515.00 - $571.00 exc NZ GST

CNS 2000 Plus LCD Move
$313.95 exc NZ GST

CNS Trend Convection Heater
$387.90 - $484.20 exc NZ GST

CNS Trend M Convection Heater
$300.60 - $370.80 exc NZ GST

CON Premium Convection Heater
$567.90 - $840.60 exc NZ GST

Corvum 12/48
$83.33 exc NZ GST

Corvum 30/30
$83.33 exc NZ GST

Cutter Metal
$19.50 exc NZ GST

CW-CF 220 Active Carbon Filter
$100.24 exc NZ GST

CW-CF 520 Active Carbon Filter
$186.17 exc NZ GST

CW-FC 320 Active Carbon Filter
$128.51 exc NZ GST

DEL Plus 3 Phase Instantaneous Water Heater
$1,282.50 - $1,345.50 exc NZ GST