Updated 9 Aug 2017
Bottom line: The SmartVent SV01 positive pressure ventilation system can ventilate a house up to 70m². It has automatic fan speeds - but the filter is not washable. This brand has very good levels of user satisfaction, but its reliability is below-average.
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We use specifications supplied by the manufacturer plus reliability and satisfaction data from our 2017 reliability survey to assess each system. Note: only DVS, HRV, SmartVent and MoistureMASTER had enough respondents for us to comment on their brand reliability and user satisfaction.