Mechanical Ventilation with Heat Recovery (MVHR)

1134 topics in this forum

1. Decentralised MVHR to solve damp stuffy room and corridor

   By lurker66, September 22, 2023
   • 2 replies
   • 1.3k views
   • 
   • lurker66
   • September 22, 2023

2. MVHR Retrofit Building Regulations

   By arbennett, September 19, 2023
   • 1 reply
   • 1.2k views
   • 
   • jayc89
   • September 19, 2023

3. Cheapest place for 90mm semi-rigid ducting?

   By jayc89, September 14, 2023
   • 1 reply
   • 604 views
   • 
   • jayc89
   • September 14, 2023

4. MVHR retrofit upstairs only for leaking house?

   By gambo, September 10, 2023
   • 2 replies
   • 1.9k views
   • 
   • gambo
   • September 10, 2023

5. MHVR simple cost

   By SuperJohnG, September 10, 2023
   • 3 replies
   • 1.3k views
   • 
   • SteamyTea
   • September 10, 2023

6. MVHR Supplier/Installer recommendations

   By Tetrarch, September 10, 2023
   • 1 reply
   • 563 views
   • 
   • Dave Jones
   • September 10, 2023

7. Ducted Central Fan Coil Unit in parallel with MVHR?

   By wardie9025, September 9, 2023
   • 0 replies
   • 676 views
   • 
   • wardie9025
   • September 9, 2023

8. Bodged together MHRV cooling system - sort of works.

   By Beelbeebub, September 7, 2023
   • 5 replies
   • 1.3k views
   • 
   • Mike
   • September 7, 2023

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

   By Jim K, September 5, 2023
   • 12 replies
   • 2.2k views
   • 
   • SteamyTea
   • September 5, 2023

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

    By ToughButterCup, August 22, 2023
    • 49 replies
    • 5.4k views
    • 
    • JohnMo
    • September 3, 2023

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

    By Andehh, August 30, 2023
    • 4 replies
    • 3k views
    • 
    • Andehh
    • September 2, 2023

12. Zehnder Comfopost CW8

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

13. Insulating the unit in a cold loft?

    By Jim K, August 8, 2023
    • 3 replies
    • 1.1k views
    • 
    • Big Jimbo
    • August 31, 2023

14. Best dmvhr?

    By anonymous, August 11, 2023
    • 14 replies
    • 6.4k views
    • 
    • George
    • August 29, 2023

15. MVHR 2nd Fix

    By richo106, August 26, 2023
    • 11 replies
    • 1.3k views
    • 
    • richo106
    • August 28, 2023

16. Transfer duct instead of gaps under door - MVHR

    By embra, August 22, 2023
    • 2 replies
    • 1.4k views
    • 
    • JohnMo
    • August 22, 2023

17. Duct insulation in cold loft

    By LinearPancakes, August 20, 2023
    • 4 replies
    • 1.3k views
    • 
    • LinearPancakes
    • August 22, 2023

18. MVHR Commissioning Calculations - DIY Anemometer

    By Barnacles, January 6, 2020
    • 9 replies
    • 5.4k views
    • 
    • Seeoda
    • August 16, 2023

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

    By happyfolk, June 26, 2023
    • 15 replies
    • 3.7k views
    • 
    • dpmiller
    • August 14, 2023

20. Recirculating Kitchen hood size in house with MVHR

    By Lemna gibba, August 7, 2023
    • 5 replies
    • 1.1k views
    • 
    • Tetrarch
    • August 8, 2023

21. Ceiling diffusers and fire safety

    By Archer, August 6, 2023
    • 13 replies
    • 1.8k views
    • 
    • TonyT
    • August 6, 2023

22. MVHR Condensate Drain

    By richo106, July 14, 2023
    • 7 replies
    • 3.3k views
    • 
    • Jim K
    • August 5, 2023

23. NuAire eco-3 motor replacement gone wrong

    By ChristophC, January 21, 2022
    • 3 replies
    • 3.6k views
    • 
    • amjay
    • August 2, 2023

24. Joining flexible ducting

    By richo106, July 30, 2023
    • 10 replies
    • 1.9k views
    • 
    • richo106
    • August 1, 2023

25. dMVHR or trickle vents

    By HughF, June 22, 2023
    • 21 replies
    • 4k views
    • 
    • HughF
    • July 30, 2023