Home Mechanical Ventilation Passive House Heat Recovery Ventilation

Passive House Heat Recovery Ventilation

Manufactured by Dantherm Air Handling, these heat recovery units are certified by the PassivHaus Institute and feature the latest energy saving technology.

Product Suitability

Image of Passive House Heat Recovery Ventilation
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Improved Indoor Air Quality

Supplying fresh, filtered air and extracting stale, moist air.

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Certified Component for Passive Houses

High efficiency, low energy Heat Recovery Ventilation System.

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Built-in Summer By-pass

During the warmer months, the incoming air by-passes the heating element.

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Up to 95% Efficiency

Designed specifically for Passive Houses, Dantherm Passive House MVHR units have a very high efficiency of up to 95% and features extremely low energy consumption due to EC motors. 

Living room with MVHR supply valve on ceiling

Advanced Demand Control

Unique to Dantherm, incorporated intelligent humidity control adjusts ventilation rate due to ultra accurate parameter setting in response to both high and low humidity levels. 


Passive House Certified Component
Certified for Air Flow Rates 99-220m³H−¹ 99-220m³H−¹ 135-340m³H−¹
Effective Heat Recovery Rate nHR, eff 81% nHR, eff 81% nHR, eff 83%
Summer Bypass
Control System Demand Control Demand Control Demand Control
Weight (kg) 57 66 84
Dimension (W x H x D) (mm) 590 x 1055 x 566 1180 x 600 x 580 1180 x 600 x 780
SAP Appendix Q Listed
Condensate Drain Required


Control Panel

Remote Control

Control Panel

The 3 push buttons of the control panel give access to:

Manual control of ventilation speed

Automatic control of ventilation speed

Manual by-pass/cooling

Remote Control

The wireless remote control gives the user access to:

Automatic demand control

Manual operation

Week programme operation

Away operation

Night operation

Firelighting operation

Success Stories

With over 75,000 installations throughout Ireland and the UK, our Passive House MVHR systems can be found in homes just like yours.

MVHR for Passive Standard New Build

Emma and her husband Kevin had their hearts set on building the perfect modern-day farmhouse. After a few years of searching and buying the ideal plot of land close to family roots in Co. Cork, the couple began their build at the start of 2019 and moved in December the same year.


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