Air Source Heat Pumps (ASHP)

1251 topics in this forum

1. Small ASHPs / Units primarily for DHW 1 2 3

   By Conor, July 25, 2019
   • 51 replies
   • 14.7k views
   • 
   • dpmiller
   • March 1, 2024

2. ASHP - flow/return 1 2

   By Kelvin, February 18, 2023
   • 25 replies
   • 6.2k views
   • 
   • Kelvin
   • February 25, 2024

3. ASHP Electrical Supply

   By Barnacles, February 21, 2024
   • 5 replies
   • 2.2k views
   • 
   • Wil
   • February 23, 2024

4. Use BUS or self-install? 1 2

   By oranjeboom, November 21, 2023   

   • ashp
   • bus
   • (and 1 more)

     Tagged with:

     • ashp
     • bus
     • willis
   • 49 replies
   • 8.5k views
   • 
   • sharpener
   • February 22, 2024

5. Ecodan ASHP idle / standby

   By Itrium, January 3, 2024
   • 4 replies
   • 2.9k views
   • 
   • Itrium
   • February 22, 2024

6. Possible increase to BUS grant - anyone heard anything?

   By sharpener, January 10, 2024
   • 17 replies
   • 3k views
   • 
   • sharpener
   • February 19, 2024

7. Heat Pump

   By nod, February 15, 2024
   • 0 replies
   • 781 views
   • 
   • nod
   • February 15, 2024

8. Equipment required to monitor Vaillant heat pumps

   By JamesPa, August 12, 2023
   • 5 replies
   • 3.2k views
   • 
   • Dan F
   • February 15, 2024

9. Mitsubishi Ecodan immersion heater

   By NightMail, January 21, 2024
   • 12 replies
   • 9.5k views
   • 
   • NightMail
   • February 14, 2024

10. ASHP and electric tariff 1 2

    By JohnMo, March 7, 2023
    • 27 replies
    • 9.8k views
    • 
    • JohnMo
    • February 14, 2024

11. Warmflow Heat Pump Electric Fast Heating

    By GrantMcscott, February 12, 2024
    • 8 replies
    • 1.6k views
    • 
    • IanR
    • February 12, 2024

12. Ideas about how to setup air heat pump, supported by PV's, for the highest cost efficiency during winter 1 2 3

    By adrian82, February 3, 2024
    • 53 replies
    • 8.2k views
    • 
    • Roger440
    • February 12, 2024

13. Vaillant (SensoComfort) DHW wiring query

    By sharpener, February 8, 2024
    • 0 replies
    • 1.6k views
    • 
    • sharpener
    • February 8, 2024

14. Lack of Hot Water

    By AndyW78, February 6, 2024
    • 6 replies
    • 3k views
    • 
    • Dillsue
    • February 6, 2024

15. what is usual temp difference between ashp sat temp and actual temp measured at floor

    By scottishjohn, February 6, 2024
    • 9 replies
    • 1.2k views
    • 
    • scottishjohn
    • February 6, 2024

16. Best thermostat hysteresis for ASHP

    By smart51, February 3, 2024
    • 9 replies
    • 6.1k views
    • 
    • JoeBano
    • February 5, 2024

17. Vaillant 7kw % efficiency rating for BREL Part L

    By Post and beam, February 2, 2024
    • 20 replies
    • 2.6k views
    • 
    • Beelbeebub
    • February 4, 2024

18. Running out of hot water

    By canalsiderenovation, January 11, 2021
    • 16 replies
    • 12.7k views
    • 
    • dpmiller
    • February 3, 2024

19. Radiators not reaching flow temperature 1 2 3

    By Helene, January 17, 2024
    • 51 replies
    • 15.2k views
    • 
    • Helene
    • January 31, 2024

20. ASHP with RHI - Restrictions on Other Heat Sources?

    By Barnacles, January 25, 2024   

    • ashp
    • rhi
    • 17 replies
    • 2.4k views
    • 
    • HughF
    • January 30, 2024

21. Joined For Advice 1 2

    By M0rtimer, January 26, 2024
    • 38 replies
    • 5.3k views
    • 
    • JoeBano
    • January 28, 2024

22. What do you make of this?

    By CalvinHobbes, January 23, 2024
    • 11 replies
    • 1.5k views
    • 
    • sharpener
    • January 27, 2024

23. Losing temp from the DHW cylinder when the ASHP runs for central heating 1 2

    By kron77, November 13, 2023
    • 35 replies
    • 8.4k views
    • 
    • HughF
    • January 27, 2024

24. Improving efficiency 1 2

    By Leopold1904, January 23, 2024
    • 32 replies
    • 4.5k views
    • 
    • Mike
    • January 25, 2024

25. Flow rate oscillation

    By rhymecheat, January 24, 2024
    • 9 replies
    • 2.4k views
    • 
    • rhymecheat
    • January 25, 2024