[DamonHD]

That's very kind, but I have all the (SR)MHRV units that I can reasonably fit!

FWIW the email address on your site page is bouncing for me.

Please do add my email (in my profile here) to a low-volume mailing/updates list if you have one.

And if my limited experience of bringing an open hardware project to market might be of help, let me know!