3D preview of Fin-and-Tube AC Heat Exchanger
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Interactive 3D model of Fin-and-Tube AC Heat Exchanger

Brackets and mounts

Fin-and-Tube AC Heat Exchanger

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Bounding box
810 × 26 × 500 mm
Engine
3D Printing B-rep
Parameters
19
Published
November 8, 2026

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The prompt

I want to make a heat exchanger for an outdoor airconditioning unit. It looks like a grill, but in the grill there are running refrigerant tubes connected to the fin of the grill. Tube inner diameter is 4mm and wall thickness is 0,5mm. Fin is around 20mm long. Material is aluminium 3d printed. There need to be 40 tubes running from left to right and distance between the tubes bertical is around 10mm. On the left side there is a collector that connects the 40 tubes towards 1 point. Onxthe other side there is a header to also connect the 40 tubes. So total height is around 500mm and total length is around 700mm

Parameters

NameValueRange
Core length / tube run700 mm300 – 1000
Core height500 mm200 – 800
Fin depth / airflow depth20 mm10 – 60
Number of horizontal refrigerant tubes40 mm5 – 80
Vertical tube pitch12 mm8 – 30
Tube outer diameter5 mm3 – 12
Tube wall thickness0.5 mm0.3 – 1.5
Fin spacing along tube axis8 mm3 – 20
Fin plate thickness1.6 mm0.8 – 4
Manifold length along X32 mm20 – 80
Manifold depth26 mm16 – 60
Manifold wall thickness4 mm2 – 8
Material above/below tube band12 mm5 – 40
Tube insertion depth into manifold8 mm4 – 20
Port stub outer diameter12 mm6 – 25
Port bore diameter8 mm3 – 20
Port stub length25 mm10 – 60
Left port centre height60 mm10 – 490
Right port centre height440 mm10 – 490

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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Fin-and-Tube AC Heat Exchanger - Free CAD Model (STEP, STL) | TextoCAD