HRV not supporting older units?

There has been talk that HRV are not supporting the older HRV ventilation systems.

Supercell ltd with it's range of ventilation filters for your HRV at only $55.00 can keep those systems working fine as they probably  don't need upgrading, if they do we can supply 4 room ventilation systems for $1365 inc gst and up to 8 rooms room $2730 inc gst

We also supplies replacement fan motors and controllers from $700 inc gst.

These prices do not include install.

https://www.supercell.co.nz