Instant Quote
Best for planning, foundations, budgets and quick kit pricing.
- Instant MVHR or MEV kit estimate.
- Basic airflow calculation based on your property details.
- Automatically builds a material list and price.
- Ideal for early-stage projects.

1Gang Momentary Boost switch - QV-BoostSw
The Quiet-Vent White Engraved Boost Switch is a momentary boost switch designed for enhancing the performance of ventilation systems. It allows users to temporarily increase the airflow to high levels, ensuring optimal ventilation in areas requiring more air circulation.
Momentary Switch – Press and hold for 1 second to activate
Adjustable Timer – Timer range of 1-30 minutes, adjustable on the MVHR unit
Compatible with MVHR Units – Works with units having an internal timer or external timer box (c-timer)
Boost Function – Temporarily boosts fan to high output levels for up to 30 minutes
This boost switch is a practical solution to increase airflow during high-demand periods, improving the efficiency of your ventilation system.