Brookvent 3.1 Heat Recovery Whole House Fan with Summer By Pass Type:Dry Trap - Only Standard Model (S) - Turns

Standard Model (S) - Turns on and off

wet room etc

It's also used as an additive in oil

Available for houses and flats

You're done

Brookvent 3.1 Heat Recovery Whole House Fan with Summer By Pass Type:Dry Trap - Only Standard Model (S) - TurnsThe new aircycle 3. 1 Heat Recovery Ventilation system HRV comes with award winning technology, unrivalled performance and versatile installation. With a Specific Fan Power (SFP) down to 0. 37 W l s and a heat recovery efficiency up to 93% the aircycle 3. 1 succeeds in balancing the trade off between airflow, efficiency and acoustic performance, offering a system that delivers true comfort ventilation for the end user. Core features include: Up to 93%