Domus Ventilation MVHR systems provide solution for London development

Domus Ventilation’s HRXE-HERA Mechanical Ventilation with Heat Recovery (MVHR) systems have been specified for the Hayes build-to-rent residential development in West London. The MVHR units are being installed as a retrofit, replacing the previous units that had come to the end of their working lives.

Hayes consists of 119 one, two and three-bedroom apartments, all of which have been designed specifically for the private rental market. When the building was designed, Domus Ventilation’s Silavent MVHR ceiling mounted units were installed. These are now being gradually replaced with Domus Ventilation’s latest MVHR model, HRXE-HERA. These new energy efficient units are smaller than their predecessors making them ideal for wall-mounting in the apartments’ storage cupboards. This solution also provides users with easy access to change the filters.

As a retrofit solution, HRXE-HERA has proven ideal for Hayes as they readily use the existing Domus ducting. Spigots on the top of the unit are 125mm for direct connection to the ducting, with adaptors available to enable direct connection to other ducting sizes for a quicker and more cost-effective installation.

With energy efficiency being a key part of the building’s design, including air permeability and heat loss parameters that go beyond that required by Building Regulations, Domus Ventilation’s HRXE-HERA® MVHR have proved an ideal solution for Hayes. It filters and pre-warms fresh air drawn into the apartment using the heat from waste stale air extracted from the kitchen and bathroom using a heat exchanger. This prevents the build up of condensation and mould, whilst improving indoor air quality by providing continuous balanced ventilation. It’s advanced heat exchange proficiency enables up to 95% of waste heat to be recovered, for energy efficiency. It comes with 100% thermal (summer) bypass which automatically activates when the air temperature reaches a pre-set level, allowing in cooler, fresh, filtered air without warming it through the heat exchanger. The smart design of the HRXE means there is no reduction in airflow when operating in bypass mode. Manual boost buttons have also been installed within the apartments to increase air flow when required.

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