Mechanical Ventilation with Heat Recovery (MVHR)

1118 topics in this forum

1. AIR TIGHT vs air tight - where does all the air come from in a standard house?

   By Oxbow16, January 6, 2021
   • 13 replies
   • 2.4k views
   • 
   • larry
   • January 19, 2021

2. Monitoring and controlling MVHR with a Raspberry Pi 1 2 3

   By MJNewton, April 20, 2020
   • 50 replies
   • 7.6k views
   • 
   • tanneja
   • January 17, 2021

3. Pre-heater or no pre-heater....

   By djcdan, January 15, 2021
   • 12 replies
   • 3.5k views
   • 
   • Dan F
   • January 16, 2021

4. Siting MHVR extract/inlet wall or roof

   By larry, December 15, 2020
   • 12 replies
   • 3k views
   • 
   • larry
   • January 13, 2021

5. Water in ducting! Cut and drain or leave?

   By oranjeboom, January 8, 2021
   • 4 replies
   • 1.3k views
   • 
   • Pseusmyd
   • January 13, 2021

6. Fire Rated Air Valves for MVHR

   By Russdl, January 11, 2021   

   • fire rated
   • air valve
   • (and 1 more)

     Tagged with:

     • fire rated
     • air valve
     • mvhr
   • 3 replies
   • 1.5k views
   • 
   • LA3222
   • January 12, 2021

7. Location of MVHR System (Zehnder Q350)

   By revelation, December 14, 2020
   • 17 replies
   • 9.9k views
   • 
   • andy
   • January 8, 2021

8. MVHR installer in Cornwall

   By J_Green, December 17, 2020   

   • newbuild
   • self-build
   • (and 2 more)

     Tagged with:

     • newbuild
     • self-build
     • mvhr
     • advice
   • 2 replies
   • 1.8k views
   • 
   • Harry G
   • January 7, 2021

9. Tight space squeeze too ambitious?

   By tanneja, January 3, 2021
   • 12 replies
   • 2.9k views
   • 
   • Mr Punter
   • January 6, 2021

10. Dehumidify a building via enthalpy heat exchanger

    By joth, December 23, 2020
    • 15 replies
    • 3.3k views
    • 
    • Iceverge
    • January 5, 2021

11. Is Mvhr worth it for me?

    By Craig88, December 30, 2020
    • 15 replies
    • 3.1k views
    • 
    • DavidO
    • January 4, 2021

12. Running mvhr in new build

    By Pete, January 3, 2021
    • 17 replies
    • 3.4k views
    • 
    • Pete
    • January 4, 2021

13. MVHR running between rafters??

    By Stephen Aitch, November 29, 2020
    • 9 replies
    • 2k views
    • 
    • Stephen Aitch
    • January 3, 2021

14. MVHR dripping!!

    By Pete, December 26, 2020   

    • mvhr
    • 14 replies
    • 7.7k views
    • 
    • jack
    • January 1, 2021

15. Pressure Testing Pump

    By patp, December 29, 2020   

    • worth buying?
    • 1 reply
    • 692 views
    • 
    • PeterW
    • December 29, 2020

16. MVHR + ASHP Post Heater control

    By john0wingnut, December 22, 2020
    • 16 replies
    • 3.3k views
    • 
    • joe90
    • December 22, 2020

17. Combining AC and MVHR

    By moldy, December 22, 2020
    • 4 replies
    • 5.7k views
    • 
    • jack
    • December 22, 2020

18. Airtightness test

    By Mandana, December 18, 2020
    • 13 replies
    • 1.7k views
    • 
    • Mandana
    • December 19, 2020

19. Periscope Vent Duct for Basement?

    By Conor, December 16, 2020
    • 0 replies
    • 677 views
    • 
    • Conor
    • December 16, 2020

20. Nu-Aire MVHR

    By BartW, October 15, 2020
    • 2 replies
    • 1.8k views
    • 
    • BartW
    • December 8, 2020

21. Aftermarket filter material

    By MJNewton, November 6, 2020
    • 10 replies
    • 2.1k views
    • 
    • SteamyTea
    • December 8, 2020

22. New build - 2 bedroom house - High voids - Do we need MVHR?

    By Paurav, December 3, 2020   

    • mvhr
    • mvhr units
    • 6 replies
    • 2.7k views
    • 
    • A_L
    • December 6, 2020

23. Potential condensation problem with first floor UFH

    By Rmawdsley, December 4, 2020
    • 7 replies
    • 1.5k views
    • 
    • SteamyTea
    • December 5, 2020

24. Experience with different ceiling valve brands

    By James_H, November 30, 2020
    • 0 replies
    • 1k views
    • 
    • James_H
    • November 30, 2020

25. Duplexvent MVHR

    By gmarshall, November 29, 2020
    • 1 reply
    • 803 views
    • 
    • tonyshouse
    • November 29, 2020