Air Source Heat Pumps (ASHP)

1219 topics in this forum

1. Equipment required to monitor Vaillant heat pumps

   By JamesPa, August 12, 2023
   • 5 replies
   • 3k views
   • 
   • Dan F
   • February 15, 2024

2. Mitsubishi Ecodan immersion heater

   By NightMail, January 21, 2024
   • 12 replies
   • 8.9k views
   • 
   • NightMail
   • February 14, 2024

3. ASHP and electric tariff 1 2

   By JohnMo, March 7, 2023
   • 27 replies
   • 9.2k views
   • 
   • JohnMo
   • February 14, 2024

4. Warmflow Heat Pump Electric Fast Heating

   By GrantMcscott, February 12, 2024
   • 8 replies
   • 1.5k views
   • 
   • IanR
   • February 12, 2024

5. 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
   • 6.8k views
   • 
   • Roger440
   • February 12, 2024

6. Vaillant (SensoComfort) DHW wiring query

   By sharpener, February 8, 2024
   • 0 replies
   • 1.4k views
   • 
   • sharpener
   • February 8, 2024

7. Lack of Hot Water

   By AndyW78, February 6, 2024
   • 6 replies
   • 2.7k views
   • 
   • Dillsue
   • February 6, 2024

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

   By scottishjohn, February 6, 2024
   • 9 replies
   • 935 views
   • 
   • scottishjohn
   • February 6, 2024

9. Best thermostat hysteresis for ASHP

   By smart51, February 3, 2024
   • 9 replies
   • 5.7k views
   • 
   • JoeBano
   • February 5, 2024

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

    By Post and beam, February 2, 2024
    • 20 replies
    • 2.2k views
    • 
    • Beelbeebub
    • February 4, 2024

11. Running out of hot water

    By canalsiderenovation, January 11, 2021
    • 16 replies
    • 12.3k views
    • 
    • dpmiller
    • February 3, 2024

12. Radiators not reaching flow temperature 1 2 3

    By Helene, January 17, 2024
    • 51 replies
    • 13.8k views
    • 
    • Helene
    • January 31, 2024

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

    By Barnacles, January 25, 2024   

    • ashp
    • rhi
    • 17 replies
    • 2.1k views
    • 
    • HughF
    • January 30, 2024

14. Joined For Advice 1 2

    By M0rtimer, January 26, 2024
    • 38 replies
    • 4.5k views
    • 
    • JoeBano
    • January 28, 2024

15. What do you make of this?

    By CalvinHobbes, January 23, 2024
    • 11 replies
    • 1.2k views
    • 
    • sharpener
    • January 27, 2024

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

    By kron77, November 13, 2023
    • 35 replies
    • 7.4k views
    • 
    • HughF
    • January 27, 2024

17. Improving efficiency 1 2

    By Leopold1904, January 23, 2024
    • 32 replies
    • 3.7k views
    • 
    • Mike
    • January 25, 2024

18. Flow rate oscillation

    By rhymecheat, January 24, 2024
    • 9 replies
    • 2k views
    • 
    • rhymecheat
    • January 25, 2024

19. Multi studio apartment heating/cooling solutions

    By LuisB, January 17, 2024
    • 7 replies
    • 1.6k views
    • 
    • LuisB
    • January 25, 2024

20. Improving an "ok at best" ASHP installation

    By pstunt, January 23, 2024
    • 8 replies
    • 1.5k views
    • 
    • pstunt
    • January 24, 2024

21. Ducting with ICF

    By IanMcP, March 22, 2022
    • 6 replies
    • 2.2k views
    • 
    • makingprogress
    • January 22, 2024

22. Daikin problem

    By Togfather, January 17, 2024
    • 20 replies
    • 10.9k views
    • 
    • sharpener
    • January 21, 2024

23. What size of air source heat pump to install? Would really appreciate any help 1 2 3

    By Andy T, December 4, 2023
    • 52 replies
    • 9.2k views
    • 
    • Roger440
    • January 20, 2024

24. A more simple approach to dhw

    By JamesPa, January 19, 2024
    • 19 replies
    • 2.6k views
    • 
    • JamesPa
    • January 20, 2024

25. ASHP - Freezing temperatures

    By richo106, January 17, 2024
    • 6 replies
    • 1.1k views
    • 
    • richo106
    • January 17, 2024