Information about MVHR ventilation

All information about MVHR systems, HRV Filters and Ventilation

In this section you will find relevant information about Mechanical Heat Recovery Systems and Ventilation. If you cannot find what you’re looking for please do not hesitate to contact us or refer to our FAQ page.

About Mechanical Ventilation Heat Recovery (MVHR)

What is  Heat Recovery Ventilation

About Heat Recovery  Filters (HRV filters)

MVHR Filters
MVHR Filters fairair
MVHR Filter classes
Replacing MVHR filters 
How often to replace HRV filters
What are pollen filters and particulate filters
fine filters filter box
Order HRV filters online


About HRV systems

MVHR Maintenance
Probiotic Maintenance


About Probiotics

About Probiotics
Bacteria and Probiotics



Instruction videos
About Probiotics