Centralised Mechanical Extract Ventilation (MEV)

A simple system that is liked by developers as it is simple to install during the build of the property. Ideal for new build appliacations. Centrally located, the system extracts stale and moist air from the wet rooms.

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Centralised Mechanical Extract Ventilation (MEV) is a  whole dwelling ventilation system that supplies and extracts air continuously at a low rate. It is a low energy, continuous mechanical extract ventilation system designed with multiple extract points to simultaneously draw moisture laden air out of the wet rooms (bathrooms and kitchen) providing a quieter and more efficient system compared to separate fans.

Centralised Mechanical Extract Ventilation (MEV) is a system where a central unit is mounted in a loft or cupboard and ducted to extract polluted air from the wet rooms of the house. As there is no heat recovery, there is no requirement for any ducts to supply the replacement air. Instead, replacement air enters the home through window vents or airbricks. In many houses however, air naturally enters the building through gaps and cracks in the structure, providing adequate ventilation.

The removal of pollutants, such as moisture and build up of indoor air pollutants are all important factors in maintaining good indoor air quality, helping to create a better living environment.

Some MEV units will include a humidity sensor, designed to increase the fan speed in proportion to relative humidity levels, saving energy and reducing noise. Other models include a CO2 sensor, meaning when you have increased occupancy in your home, the unit will increase ventilation rates to ensure you have the best indoor environment.

Image of Lo-Carbon Multivent MVDC-MS
Lo-Carbon Multivent MVDC-MS

The MVDC-MS unit from Vent-Axia features three fully variable speeds: normal, boost and purge. The unit can extract up to 118l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption.

Stock Ref. No: 437634C
Price £422.81 (excl VAT)
Image of Lo-Carbon Multivent MVDC-MSH
Lo-Carbon Multivent MVDC-MSH

The MVDC-MS unit from Vent-Axia features three fully variable speeds: normal, boost and purge. The unit can extract up to 118l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 443298B
Price £456.76 (excl VAT)
Image of Lo-Carbon Sentinel Multivent H
Lo-Carbon Sentinel Multivent H

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 445655B
Price £569.26 (excl VAT)
Image of Lo-Carbon Sentinel Multivent HX
Lo-Carbon Sentinel Multivent HX

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired.

Stock Ref. No: 495360
Price £633.96 (excl VAT)
Image of Lo-Carbon Sentinel Multivent HX CO2
Lo-Carbon Sentinel Multivent HX CO2

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired. The in-built CO2 sensor will react to changes in the dwelling, caused by increased occupancy, the unit will boost when the CO2 threshold is met.

Stock Ref. No: 495361
Price £847.11 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus H
Lo-Carbon Sentinel Multivent Plus H

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 407849A
Price £645.14 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus HX
Lo-Carbon Sentinel Multivent Plus HX

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired.

Stock Ref. No: 495362
Price £710.54 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus HX CO2
Lo-Carbon Sentinel Multivent Plus HX CO2

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired. The in-built CO2 sensor will react to changes in the dwelling, caused by increased occupancy, the unit will boost when the CO2 threshold is met.

Stock Ref. No: 495363
Price £949.44 (excl VAT)

 

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ESTIMATED RUNNING COSTS

Calculate estimated running costs for this product using the tool below.
For average costs, leave the default values in place or enter your own figures in the boxes to recalculate.
Where a product has multi speeds, a typical installation has been used for the below calculations.


pence
(Your current electricity cost in pence per hour. This will be listed on your electric bill)
hours
(The average number of hours per day fan to run in Trickle mode)
hours
(The average number of hours per day fan to run in Boost mode)

Based on the inputted figures, estimated running costs would be:

Overview

Centralised Mechanical Extract Ventilation (MEV) is a  whole dwelling ventilation system that supplies and extracts air continuously at a low rate. It is a low energy, continuous mechanical extract ventilation system designed with multiple extract points to simultaneously draw moisture laden air out of the wet rooms (bathrooms and kitchen) providing a quieter and more efficient system compared to separate fans.

Centralised Mechanical Extract Ventilation (MEV) is a system where a central unit is mounted in a loft or cupboard and ducted to extract polluted air from the wet rooms of the house. As there is no heat recovery, there is no requirement for any ducts to supply the replacement air. Instead, replacement air enters the home through window vents or airbricks. In many houses however, air naturally enters the building through gaps and cracks in the structure, providing adequate ventilation.

The removal of pollutants, such as moisture and build up of indoor air pollutants are all important factors in maintaining good indoor air quality, helping to create a better living environment.

Some MEV units will include a humidity sensor, designed to increase the fan speed in proportion to relative humidity levels, saving energy and reducing noise. Other models include a CO2 sensor, meaning when you have increased occupancy in your home, the unit will increase ventilation rates to ensure you have the best indoor environment.

Technical

Models

Image of Lo-Carbon Multivent MVDC-MS
Lo-Carbon Multivent MVDC-MS

The MVDC-MS unit from Vent-Axia features three fully variable speeds: normal, boost and purge. The unit can extract up to 118l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption.

Stock Ref. No: 437634C
Price £422.81 (excl VAT)
Image of Lo-Carbon Multivent MVDC-MSH
Lo-Carbon Multivent MVDC-MSH

The MVDC-MS unit from Vent-Axia features three fully variable speeds: normal, boost and purge. The unit can extract up to 118l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 443298B
Price £456.76 (excl VAT)
Image of Lo-Carbon Sentinel Multivent H
Lo-Carbon Sentinel Multivent H

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 445655B
Price £569.26 (excl VAT)
Image of Lo-Carbon Sentinel Multivent HX
Lo-Carbon Sentinel Multivent HX

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired.

Stock Ref. No: 495360
Price £633.96 (excl VAT)
Image of Lo-Carbon Sentinel Multivent HX CO2
Lo-Carbon Sentinel Multivent HX CO2

The Sentinel Multivent unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 128l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired. The in-built CO2 sensor will react to changes in the dwelling, caused by increased occupancy, the unit will boost when the CO2 threshold is met.

Stock Ref. No: 495361
Price £847.11 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus H
Lo-Carbon Sentinel Multivent Plus H

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold.

Stock Ref. No: 407849A
Price £645.14 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus HX
Lo-Carbon Sentinel Multivent Plus HX

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired.

Stock Ref. No: 495362
Price £710.54 (excl VAT)
Image of Lo-Carbon Sentinel Multivent Plus HX CO2
Lo-Carbon Sentinel Multivent Plus HX CO2

The Sentinel Multivent Plus unit from Vent-Axia features four fully variable speeds: low, normal, boost and purge. The unit can extract up to 159l/s and has 7 years warranty. The digital display allows installers to accurately set airflow, ensuring exactly the right ventilation rate. Accurate speed control helps minimise noise and energy consumption. This model incorporates a built-in humidity sensor, so that the unit boosts when humidity reaches a certain threshold. The HX model allows installers and home owners to control the unit via an app; additionally wireless controllers and sensors can also be paired. The in-built CO2 sensor will react to changes in the dwelling, caused by increased occupancy, the unit will boost when the CO2 threshold is met.

Stock Ref. No: 495363
Price £949.44 (excl VAT)

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