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LoopCAD 2021

In addition to circuit layout drawings, the Professional Edition of LoopCAD will also perform residential heat loss calculations, hydronic calculations, Snow Melt system design, and automatically generates 3D views.

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Choose your product for the latest download information.

To see what's new in the latest version, click here.

If you need a specific OEM version of LoopCAD, ensure to scroll down the page and download the desired LoopCAD edition.
LoopCAD 2021
Arrow LoopCAD 2021 99.2 MB 2021-05-05 21.0.0080 Download is for Trial and Full Versions, and for all editions (MJ8, Professional, Standard). Scroll down for versions that are preloaded with an OEM Edition. Download


OEM Editions (Preloaded in LoopCAD 2021)
Arrow Viega Edition 210 MB 2021-05-06 21.0.0098 Includes the full LoopCAD program preloaded with the Viega products and systems. No need to download LoopCAD separately. Download
Arrow REHAU Edition 111.4 MB 2021-05-05 21.0.0096 Includes the full LoopCAD program preloaded with the REHAU products and systems. No need to download LoopCAD separately. Download
Arrow Uponor US Edition 151.4 MB 2021-05-05 21.0.0094 Includes the full LoopCAD program preloaded with the Uponor US products and systems. No need to download LoopCAD separately. Download
Arrow Uponor Canada Edition 151.4 MB 2021-05-05 21.0.0095 Includes the full LoopCAD program preloaded with the Uponor Canada products and systems. No need to download LoopCAD separately. Download
Arrow ComfortPro Edition 111.9 MB 2021-05-12 21.0.0091 Includes the full LoopCAD program preloaded with the ComfortPro products and systems. No need to download LoopCAD separately. Download
Arrow Mr PEX Edition 125.9 MB 2021-05-07 21.0.0093 Includes the full LoopCAD program preloaded with the Mr PEX products and systems. No need to download LoopCAD separately. Download
Arrow HeatLink Edition 141.3 MB 2021-05-05 21.0.0099 Includes the full LoopCAD program preloaded with the HeatLink products and systems. No need to download LoopCAD separately. Download
Arrow Infloor Edition 108.8 MB 2021-05-05 21.0.0081 Includes the full LoopCAD program preloaded with the Infloor products and systems. No need to download LoopCAD separately. Download
Arrow Watts Radiant Edition 126.8 MB 2021-05-07 21.0.0097 Includes the full LoopCAD program preloaded with the Watts Radiant products and systems. No need to download LoopCAD separately. Download
Arrow CB Supplies Edition 102.8 MB 2021-05-07 21.0.0082 Includes the full LoopCAD program preloaded with the CB Supplies products and systems. No need to download LoopCAD separately. Download


OEM Editions (Preloaded in LoopCAD 2020)
Arrow Legend Edition 135 MB 2020-12-09 20.0.0583 Includes the full LoopCAD program preloaded with the Legend products and systems. No need to download LoopCAD separately. Download


LoopCAD Version Cleanup Tool
Arrow Version Cleanup Tool 3.8 MB 2020-10-19 1.0.0 Use this utility to remove old installations of LoopCAD that you no longer need. Allows you choose which versions to uninstall. Your saved project files will not be removed. Download