MEV Demand Controlled

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MEV Demand Controlled

Browse our range of demand controlled MEV units designed to provide continuous mechanical extract ventilation for homes, apartments, new builds and retrofit projects. MEV systems extract stale, humid air from wet rooms such as bathrooms, kitchens and utility rooms, helping to support better indoor air quality and reduce moisture build-up.

Demand controlled MEV units can adjust ventilation based on the needs of the property, with options such as humidity sensors and low-energy operation available across selected products. At BPC Ventilation, we supply MEV units from trusted brands including Domus, Duco, Nuaire, S&P and Vent-Axia, with technical advice available to help you choose the right option for your project.

Frequently Asked Questions

  • What is a demand controlled MEV unit?

    A demand controlled MEV unit is a mechanical extract ventilation system that continuously removes stale or humid air from wet rooms, with ventilation levels adjusting based on demand, such as humidity or system controls.

  • How does an MEV system work?

    An MEV system extracts air from rooms such as bathrooms, kitchens and utility rooms. Fresh air is then drawn into the property through background ventilation, helping to support consistent airflow throughout the home.

  • Is MEV the same as MVHR?

    No, MEV extracts stale air from the property, while MVHR extracts stale air and also supplies fresh filtered air while recovering heat from the outgoing air.

  • Can MEV help with condensation?

    Yes, MEV can help reduce condensation by continuously removing humid air from wet rooms. However, condensation can also be affected by heating, insulation, airflow and overall property condition.