Tom Posted November 24, 2021 Share Posted November 24, 2021 ...and the manufacturer adds a nice mark-up. Firm handshakes all round and guess who pays... Link to comment Share on other sites More sharing options...
Mike Posted November 24, 2021 Share Posted November 24, 2021 29 minutes ago, iansr said: I’m guessing that PH org charge manufacturers a pretty penny for testing a unit . . . They don't charge anything, though the manufacturer's have to use an accredited laboratory. But it's your money and your choice :) 1 Link to comment Share on other sites More sharing options...
Iceverge Posted November 27, 2021 Share Posted November 27, 2021 I spoke to the manafacturers engineer (proair) about the difference between their certified unit ( certification has lapsed I think now) and their non certified unit. He said they were identical apart from some extra sensors and gadgets on the passivhaus one, I can't remember what. He suggested I was just paying more for something of no greater utility and more chance of failure. Having limited experience of various brands I am happy with it. I would suggest if you can to physically get your hands on a unit and poke at it before you buy. Remove the filters, play with the controls etc. Build quality is very tactile. I was disappointed with vent axia and domus but impressed with blauberg. Link to comment Share on other sites More sharing options...
iansr Posted November 28, 2021 Author Share Posted November 28, 2021 9 hours ago, Iceverge said: I spoke to the manafacturers engineer (proair) about the difference between their certified unit ( certification has lapsed I think now) and their non certified unit. He said they were identical apart from some extra sensors and gadgets on the passivhaus one, I can't remember what. He suggested I was just paying more for something of no greater utility and more chance of failure. Having limited experience of various brands I am happy with it. I would suggest if you can to physically get your hands on a unit and poke at it before you buy. Remove the filters, play with the controls etc. Build quality is very tactile. I was disappointed with vent axia and domus but impressed with blauberg. That’s a very interesting post, thank you! 1 Link to comment Share on other sites More sharing options...
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