Decentralised Mechanical Extract Ventilation Unit
The ECO dMEV has been designed and developed to offer the market a constant volume, continuously running decentralised extract fan to achieve the lowest power consumption, the lowest noise and the lowest life-cycle costs.
Building on the principles of the hugely successful and award-winning EnviroVent Filterless Extract Fan the ECO dMEV is ideal for all domestic applications, WCs, bathrooms, utility rooms and kitchens. It is a 100mm constant volume, continuously running extract fan, which can be fitted in wall, ceiling or panel installations.
Fitted with a DC motor mounted on silent elastic blocks, the fan delivers incredibly silent running below 20 dB(A) with exceptional performance and stylish features. Fully complying with Building Regulations and SAP PCDB Listed, the ECO dMEV ensures a significant contribution to maximising the reward in SAP for ventilation.
Designed with style in mind, the ECO dMEV adds a touch of elegance to the modern bathroom or kitchen without compromising on performance or quality. The fan is supplied with smart interchangeable front panel trims in four colours.
The ECO dMEV has been designed for ease of maintenance, achieving the lowest life-cycle costs. The motor compartment can be easily removed to be cleaned or replaced.
The fan is easily commissioned at installation to be set at one of 5 trickle speed settings ranging from 4-13 l/s to exactly meet the airflow requirements for specific applications and ensure the lowest energy consumption down to 1.5 Watts.
For extra safety, the ECO dMEV is also available in a low voltage 17V version. In addition to the standard ECO dMEV 17V, which can be boosted by an external switch, the same three models are available as the 230V version: the ECO dMEV 17V timer option, humidity sensor option with timer or pullcord with timer and humidity sensor.
The EnviroVent ECO dMEV incorporates a unique “sensorless” constant volume technology. Using intelligent microprocessor controls and software, the in-duct centrifugal fan works in direct correlation with any resistance in the ductwork.
When it senses any resistance it automatically adjusts itself to ensure that the commissioned airflow is always delivered and maintained.
This means the fan is also self-commissioning - all the installer needs to do is set the unit to the required airflow, screw it to the wall and connect it up. It will commission itself automatically and perform over and above building regulations.
Meticulous research and development has gone into the design of the ECO dMEV to be able to incorporate a high powered, forward curved, “sensorless” constant volume centrifugal fan into the smallest of spaces.
Most small dMEV’s this size use an axial impeller. Axial fans can perform well if they encounter no resistance, however by adding any amount of pressure, they can struggle to perform and become noisy.
As the inlet of the ECO dMEV is oval and not round like other fans, this creates space for the dual inlet centrifugal motor assembly, meaning we can fit a centrifugal fan inside a tiny footprint.
This has never been achieved before in a dMEV making it the first fan of its size in the world to incorporate centrifugal technology. Following significant investment in the latest injection moulding machinery and tooling, EnviroVent are one of the only ventilation companies to be able to mould plastic and rubber in the same process.
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