Welcome to the Holland Heating software portal

This customer portal gives you the opportunity to download software, Sparepartslists, Wiring diagrams and documentation for our products such as 39HQ and 39SQ Air Handling Units.

In case you need a login code please send an e-mail to

Note: before installing any software we recommend you to read the installation manual carefully. This is very important in order to be able to run the software. You can find the installation manual under 'Software'. 

You can also find a 'Lincense Request Form' for the Blizzard license to be able to run the selection software after installation. You must acquire a license before being able to run the selection software.

In case you have any questions please send an e-mail to

We hope you will enjoy the ease of our customer portal.

>> CLICK HERE for our Systemair portal

>> CLICK HERE for our Carrier portal

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