Mechanical Ventilation with Heat Recovery (MVHR)

1033 topics in this forum

1. What are the impacts and mitigations of very high winds?

   By Jim K, September 5, 2023
   • 12 replies
   • 1.2k views
   • 
   • SteamyTea
   • September 5, 2023

2. A little bit of anti-MVHR heresy : it'll do us all good. 1 2

   By ToughButterCup, August 22, 2023
   • 49 replies
   • 3.4k views
   • 
   • JohnMo
   • September 3, 2023

3. Random (unwanted) boost activation - Vent Axia Sentinel

   By Andehh, August 30, 2023
   • 4 replies
   • 1.8k views
   • 
   • Andehh
   • September 2, 2023

4. Zehnder Comfopost CW8

   By Dominic, September 1, 2023
   • 1 reply
   • 569 views
   • 
   • Dominic
   • September 1, 2023

5. Insulating the unit in a cold loft?

   By Jim K, August 8, 2023
   • 3 replies
   • 821 views
   • 
   • Big Jimbo
   • August 31, 2023

6. Best dmvhr?

   By anonymous, August 11, 2023
   • 14 replies
   • 3.6k views
   • 
   • George
   • August 29, 2023

7. MVHR 2nd Fix

   By richo106, August 26, 2023
   • 11 replies
   • 1k views
   • 
   • richo106
   • August 28, 2023

8. Transfer duct instead of gaps under door - MVHR

   By embra, August 22, 2023
   • 2 replies
   • 1k views
   • 
   • JohnMo
   • August 22, 2023

9. Duct insulation in cold loft

   By LinearPancakes, August 20, 2023
   • 4 replies
   • 904 views
   • 
   • LinearPancakes
   • August 22, 2023

10. MVHR Commissioning Calculations - DIY Anemometer

    By Barnacles, January 6, 2020
    • 9 replies
    • 4.1k views
    • 
    • Seeoda
    • August 16, 2023

11. MVHR how much does boost actually increase flow rates?

    By happyfolk, June 26, 2023
    • 15 replies
    • 2.3k views
    • 
    • dpmiller
    • August 14, 2023

12. Recirculating Kitchen hood size in house with MVHR

    By Lemna gibba, August 7, 2023
    • 5 replies
    • 807 views
    • 
    • Tetrarch
    • August 8, 2023

13. Pre filter between MVHR vents and MVHR unit 1 2 3

    By Russdl, August 27, 2019   

    • mvhr vents
    • filter
    • (and 1 more)

      Tagged with:

      • mvhr vents
      • filter
      • pre-filter
    • 73 replies
    • 10k views
    • 
    • Temp
    • August 7, 2023

14. Ceiling diffusers and fire safety

    By Archer, August 6, 2023
    • 13 replies
    • 1.3k views
    • 
    • TonyT
    • August 6, 2023

15. MVHR Condensate Drain

    By richo106, July 14, 2023
    • 7 replies
    • 1.6k views
    • 
    • Jim K
    • August 5, 2023

16. NuAire eco-3 motor replacement gone wrong

    By ChristophC, January 21, 2022
    • 3 replies
    • 2.7k views
    • 
    • amjay
    • August 2, 2023

17. Joining flexible ducting

    By richo106, July 30, 2023
    • 10 replies
    • 1.2k views
    • 
    • richo106
    • August 1, 2023

18. dMVHR or trickle vents

    By HughF, June 22, 2023
    • 21 replies
    • 2.4k views
    • 
    • HughF
    • July 30, 2023

19. Ceiling diffusers for MVHR

    By renternolonger, July 26, 2023
    • 7 replies
    • 1.2k views
    • 
    • Nickfromwales
    • July 27, 2023

20. Is there anything wrong with our MVHR plan?

    By Mr Blobby, June 14, 2023
    • 4 replies
    • 920 views
    • 
    • andy500
    • July 24, 2023

21. MVHR design help / feedback

    By Ola, May 8, 2023   

    • extract / ssupply points placement
    • cascade effect
    • (and 1 more)

      Tagged with:

      • extract / ssupply points placement
      • cascade effect
      • hallway
    • 18 replies
    • 3.6k views
    • 
    • Conor
    • July 15, 2023

22. Insulated Duct MVHR

    By Dutch, July 11, 2023
    • 1 reply
    • 631 views
    • 
    • MJNewton
    • July 11, 2023

23. Recommendations wanted for MVHR

    By IanP, March 29, 2023
    • 11 replies
    • 1.9k views
    • 
    • Brendan
    • July 6, 2023

24. Vent axia heat recovery fault

    By Mikeyken, July 3, 2023
    • 3 replies
    • 2.1k views
    • 
    • dpmiller
    • July 4, 2023

25. Vent Axia MVHR - Dead on arrival?

    By Andehh, July 3, 2023
    • 2 replies
    • 611 views
    • 
    • Andehh
    • July 3, 2023