Demand-controlled ventilation with heat recovery from Aereco

Published:  01 December, 2013

Indoor air quality, IAQ, Aeereco, demand controlled ventilation, heat recovery
Demand-controlled ventilation with heat recovery — Aereco’s DXR system

Aereco’s DXR demand-controlled MVHR (mechanical ventilation with heat recovery) system for homes controls both the supply and exhaust air streams. It is claimed to achieve 92% energy savings compared with a mechanical exhaust ventilation (MEV) system at constant airflow, while providing the same indoor air quality.

The DXR system automatically adjusts ventilation according to the specific needs of all rooms, rather than delivering constant or globally controlled airflows.

Modulation significantly reduces average airflows, so average heat losses are half those of a ventilation system with constant airflow. 85% heat recovery achieves energy savings of around 92% compared with an MEV system. EC fans further reduce energy consumption.

The heat-recovery unit has bypass for mild conditions and can also be used in free-cooling mode to provide night cooling in the summer.

Filters stay cleaner longer, reducing energy consumption. Halving the average airflow reduces filter clogging and doubles filter durability compared with other heat-recovery systems.

Airflows are automatically controlled according to the needs of each room.

Each supply unit is directly connected to the DXR hub which controls supply air according to CO2 level or presence.

At the exhaust point, the BXC units adapt airflow to variable settings depending on humidity in the bathroom, presence in WC, humidity and switch in the kitchen for boost airflow.

Supply and exhaust airflows are balanced by constant monitoring via two automatically controlled compensation valves.

For more information on this story, click here: December 2013, 104

comments powered by Disqus

Search

Welcome

Welcome to Modern Building Services Online, the web edition of Modern Building Services (MBS) journal and the UK's most popular Building Services engineering site. Modern Building Services covers the entire Building Services Engineering industry. This site contains archived content from the journal, plus web-specific content.

When you go to our digital edition, you can also access the archive of digital editions.
November 2017: DIGITAL EDITION
ARCHIVE OF DIGITAL EDITIONS

Modern Building services has a group
on Linkedin - join us!

Show

Jobs

  • Intermediate / Senior Mechanical Engineer

    The Mechanical team undertake the design and specification of a range of Mechanical building services in a lead or supporting role, depending on project complexity and scale. You should demonstrate a flexible approach to design and team working and wil......

  • Senior Urban Designer

     Applicants will be Master’s Degree qualified Architects / Urban Designers, with a strong portfolio of work highlighting a variety of projects at a range of scales and types, with strong focus on regeneration, infrastructure-led projects and major develo......

  • Principal Structural Engineer

    We are currently recruiting on behalf of a global client, with a diverse range of award winning projects to their name. Their experience spans a host of market sectors, including transport, infrastructure, defence, scientific, education, high-tech and ......

more jobs »

Poll

"Is the Building Services industry lagging behind in the implementation of BIM?"