FAQ
Heat Recovery Ventilation systems present a number of questions and doubts.
This constantly updated section, provides answers to frequently asked questions about HRV and Helty Flow systems.
HRV highlights
When should you choose a decentralised HRV?
HRV use and maintenance
Can I use the Helty Home app with my HRV unit?
Can several HRV units be managed with one control?
How does a decentralised dual-flow HRV system work?
Can I also use Helty HRV to cool down?
HRV systems installation
Can the HRV unit be installed under an air conditioner?
How do I install a wall-mounted Helty HRV?
What are the hole measurements for a wall-mounted HRV?
How do I install a concealed HRV, like the Flow40?
On which wall thicknesses can concealed HRV systems be installed?
Indoor air quality
How do CO2 and VOC sensors work in Helty HRV ventilation?
How do I measure air quality at home or in the office?
HRV benefits
What are the benefits of refreshed, purified air at home?
What advantages does mechanical ventilation have over simply opening windows?
How can mechanical ventilation help reduce the risk of infection from viruses such as Covid?
Can HRV resolve my condensation and mould problems?
Product features
What does ‘enthalpy heat recovery’ mean?
Do Helty Flow HRVs need a condensate drain?
Certified quality and performance
The performance of the Helty ventilation systems are recognized by the Casa Clima Quality Seal and have obtained the SIMA and BioSafe validations