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Price Increases
To keep bringing you the very best quality, we’ve slightly adjusted prices on a few of our products by 3% to 5%. You will see these small updates reflected across the shop now.
We truly appreciate your support and understanding!.

PDF Catalog

Airflow Engineering

We are Uniquely Airflow

Precision in Every Cut. Perfection in Every Design.

Airflow Engineering (SI) Ltd, known simply as Airflow, is a Christchurch-based family business specialising in HVAC solutions, ducted system design, custom manufacturing, sheet metal fabrication and precision fibre laser cutting.

With over 34 years of industry experience, we work alongside installers, builders, manufacturers, contractors and homeowners, providing practical advice, quality products and reliable solutions backed by genuine industry knowledge.

From ducted heat pump systems, zoning solutions, custom plenums and fresh air ventilation through to precision laser-cut components and custom sheet metal fabrication, we bring design, manufacturing and supply together under one roof.

Our strength is in understanding what our customers need and finding the right solution — whether that means supplying a trusted HVAC component, designing something specifically for the job, or manufacturing a completely custom piece.

Serving residential, commercial, industrial and manufacturing sectors throughout New Zealand, we combine experience and innovation with the values of a family business. We believe in doing things properly, being easy to deal with, standing behind what we deliver and taking pride in the details.

That’s what makes us Uniquely Airflow.

Precision in every cut. Perfection in every design. It’s The Airflow Way.

List Photos
Code Product Price Min.
Quantity		 Status Quantity
SEGB9040 SEGB9040 Side Entry Grille Box 900x400 (Any Spigot Size)
RRP $240.00
$208.70 		0 Manufactured 2-3 Days
ADD TO ORDER
SR3010 SR3010 Square 300 to Round 100 Insulated Adaptor
RRP $72.75
$63.26 		0 Available from Stock
SR3015 SR3015 Square 300 to Round 150 Insulated Adaptor
RRP $71.75
$63.26 		0 Available from Stock
SR3020 SR3020 Square 300 to Round 200 Insulated Adaptor
RRP $74.75
$65.00 		0 Manufactured 1-2 Days
SR3025 SR3025 Square 300 to Round 250 Insulated Adaptor
RRP $83.00
$72.17 		0 Manufactured 1-2 Days
SR3030 SR3030 Square 300 to Round 300 Metal Adaptor
RRP $62.00
$53.92 		0 Available from Stock
SR3525 SR3525 Square 350 to Round 250 Insulated Adaptor
RRP $76.50
$66.52 		0 Manufactured 1-2 Days
SR3530 SR3530 Square 350 to Round 300 Insulated Adaptor
RRP $78.50
$68.26 		0 Available from Stock
SR4520 SR4520 Square 450 to Round 200 Insulated Adaptor
RRP $81.00
$70.44 		0 Manufactured 1-2 Days
SR4530 SR4530 Square 450 to Round 300 Insulated Adaptor
RRP $100.00
$85.96 		0 Available from Stock
Manufactured 2-3 Days
Side Entry Grille Box 900x400 (Any Spigot Size) SEGB9040
RRP $240.00
$208.70
ADD TO ORDER
Available from Stock
Square 300 to Round 100 Insulated Adaptor SR3010
RRP $72.75
$63.26
Available from Stock
Square 300 to Round 150 Insulated Adaptor SR3015
RRP $71.75
$63.26
Manufactured 1-2 Days
Square 300 to Round 200 Insulated Adaptor SR3020
RRP $74.75
$65.00
Manufactured 1-2 Days
Square 300 to Round 250 Insulated Adaptor SR3025
RRP $83.00
$72.17
Available from Stock
Square 300 to Round 300 Metal Adaptor SR3030
RRP $62.00
$53.92
Manufactured 1-2 Days
Square 350 to Round 250 Insulated Adaptor SR3525
RRP $76.50
$66.52
Available from Stock
Square 350 to Round 300 Insulated Adaptor SR3530
RRP $78.50
$68.26
Manufactured 1-2 Days
Square 450 to Round 200 Insulated Adaptor SR4520
RRP $81.00
$70.44
Available from Stock
Square 450 to Round 300 Insulated Adaptor SR4530
RRP $100.00
$85.96