Deniance Posted November 8, 2023 Share Posted November 8, 2023 Was chatting with someone online and I said 21 l/s has been shown to me In a table for a 3 bed house , and they said it should be 31!! And I searched for doc f 2021 and it does say 31! That would make my mvhr sound like a jet! Link to comment Share on other sites More sharing options...
MikeSharp01 Posted November 8, 2023 Share Posted November 8, 2023 That figure is for the whole house and it depends on the way the ventilation is done / arranged. Link to comment Share on other sites More sharing options...
Deniance Posted November 8, 2023 Author Share Posted November 8, 2023 1 hour ago, MikeSharp01 said: That figure is for the whole house and it depends on the way the ventilation is done / arranged. What should it be for mvhr for whole house? Link to comment Share on other sites More sharing options...
JohnMo Posted November 9, 2023 Share Posted November 9, 2023 8 hours ago, Deniance said: What should it be for mvhr for whole house? What is your floor area and how many bathrooms, utility areas? Link to comment Share on other sites More sharing options...
Deniance Posted November 9, 2023 Author Share Posted November 9, 2023 1 hour ago, JohnMo said: What is your floor area and how many bathrooms, utility areas? 213 volume of house, 2 extract rooms 4 supply rooms Link to comment Share on other sites More sharing options...
JohnMo Posted November 9, 2023 Share Posted November 9, 2023 (edited) Volume not really relevant to your question, but floor area is. Edited November 9, 2023 by JohnMo Link to comment Share on other sites More sharing options...
Deniance Posted November 9, 2023 Author Share Posted November 9, 2023 4 hours ago, JohnMo said: Volume not really relevant to your question, but floor area is. Little 3 bed terraced diwnstairs 2 rooms and kitchen and bathroom I’d say 60 sq metres? Not massive, 3x5 m rooms x 3x3 bathroom and add a few for hallways etc Link to comment Share on other sites More sharing options...
Deniance Posted November 11, 2023 Author Share Posted November 11, 2023 Doc F for wales 2022 update says it should be 31😱 Link to comment Share on other sites More sharing options...
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