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Does anyone have experience of, or opinions about, Joule's new (in 2022) product, Modulair All-E, with GreenComfort and cylinder? It is an Exhaust Air Heat Pump supplying DWC and space heating, both via hot water to radiators and heating of air drawn into the building (with the 'Green Comfort' optional extra). So it combines DWC, space heating and MVHR in one unit - with a cost of around £7500. The target market seems to be primarily flats less than, say, 100m2. Source: https://joule.ie/modulair-all-e-product-page/ I'm aware of strong reservations on this forum (by Jeremy Harris, in particular - sad that he seems to be no longer contributing) about Exhaust AHP but this product seems to avoid the substance of those reservations since it draws external air into the building through ducting, along the lines of MVHR. As a self-builder of an almost Passive House, 77m2 on one level and almost open-plan, I'm attracted by the notion of killing three birds with one stone (DHW, space heating and ventilation). Modelling of plans by Warm consultants in Plymouth suggests a small heat load on cold days of 24Kwh over 24 hours. My main concern is around noise - the data supplied are thin and not convincing. And in the winter, the EAHP will have to circulate the greatest volume of air to extract the required heat input - the noise of which would be much less noticeable if it were an externally-sited ASHP. Any thoughts, much appreciated. Rodge
