Air Source Heat Pumps (ASHP)

1218 topics in this forum

1. Samsung gen 5 wired controller help

   By Bigspanners, January 6
   • 0 replies
   • 349 views
   • 
   • Bigspanners
   • January 6

2. Grant/ Aerona ASHP expensive... 1 2

   By JeffGiraf, January 4
   • 30 replies
   • 1k views
   • 
   • Michael_S
   • January 6

3. Ecodan system HW override

   By athlonoc, January 3
   • 8 replies
   • 413 views
   • 
   • athlonoc
   • January 3

4. Best electric tariff now that OVO are ending the Heat Pump Plus in February 2026

   By martian, December 29, 2025
   • 5 replies
   • 718 views
   • 
   • ectoplasmosis
   • January 2

5. Defrost calculation and impact on output

   By JohnMo, December 30, 2025   

   • ashp
   • defrost
   • 2 replies
   • 359 views
   • 
   • JohnMo
   • December 30, 2025

6. ASHP temperature settings query.

   By Marvin, December 27, 2025   

   • ashp operation
   • 4 replies
   • 482 views
   • 
   • Marvin
   • December 29, 2025

7. Help please. clear alarm?

   By Post and beam, December 21, 2025
   • 7 replies
   • 550 views
   • 
   • Nickfromwales
   • December 21, 2025

8. LG Therma V Monobloc – CH014 Flow Error (Heating Only)

   By Willits, December 18, 2025
   • 8 replies
   • 443 views
   • 
   • Willits
   • December 20, 2025

9. Sense check for ASHP & UFH design

   By timhowes, December 12, 2025
   • 24 replies
   • 1k views
   • 
   • Dan F
   • December 16, 2025

10. Extra output coil for UVC

    By LaChab, December 15, 2025
    • 7 replies
    • 453 views
    • 
    • SimonD
    • December 15, 2025

11. Flow rate needed 1 2 3 4 6

    By jamesdiyer, October 15, 2025
    • 128 replies
    • 6.9k views
    • 
    • jamesdiyer
    • December 15, 2025

12. Crunch time for heat pump size 1 2

    By SBMS, December 9, 2025
    • 44 replies
    • 1.9k views
    • 
    • sharpener
    • December 14, 2025

13. Anybody using Eon NextDrive Tariff ?

    By mk1_man, November 15, 2024
    • 7 replies
    • 1.6k views
    • 
    • Michael_S
    • December 12, 2025

14. Ecodan Fixed Flow Mode - Exceeding Flow Temp Setting

    By BadgerBadger, December 8, 2025
    • 2 replies
    • 430 views
    • 
    • JohnMo
    • December 12, 2025

15. Sudden pressure loss in ASHP system

    By kandgmitchell, December 4, 2025
    • 7 replies
    • 660 views
    • 
    • JohnMo
    • December 6, 2025

16. Is this a common Vaillant problem?

    By Post and beam, December 2, 2025
    • 19 replies
    • 930 views
    • 
    • JohnMo
    • December 5, 2025

17. Samsung/Gen6 plumbed boiler (ASHP)

    By Paul16461, December 5, 2025
    • 2 replies
    • 527 views
    • 
    • jack
    • December 5, 2025

18. Looks like the party is over.... 1 2 3 4 17

    By Beelbeebub, November 14, 2025
    • 418 replies
    • 18.6k views
    • 
    • Beelbeebub
    • December 4, 2025

19. Fill and Flush valve

    By Potatoman, December 1, 2025
    • 3 replies
    • 436 views
    • 
    • SimonD
    • December 3, 2025

20. ASHP with large thermal store (for load shifting) 1 2 3

    By apesort, May 27, 2022
    • 53 replies
    • 10.5k views
    • 
    • Michael_S
    • December 1, 2025

21. "Autumn budget removes ECO levies from electricity tariffs". Will this favour heat pump operating costs?

    By LnP, November 26, 2025
    • 12 replies
    • 875 views
    • 
    • SteamyTea
    • November 30, 2025

22. Fixing ASHP Anti Vibration Feet

    By BadgerBadger, November 26, 2025
    • 4 replies
    • 456 views
    • 
    • sharpener
    • November 27, 2025

23. best way to exploit 'Cosy' tariff?

    By Post and beam, November 24, 2025
    • 5 replies
    • 566 views
    • 
    • Andeh
    • November 24, 2025

24. MCS 020 queries - guidance please?

    By Barca99, November 23, 2025
    • 3 replies
    • 391 views
    • 
    • JohnMo
    • November 23, 2025

25. Hybrid ASHP with oil fired boiler.

    By MichaelPD, November 17, 2025
    • 1 reply
    • 383 views
    • 
    • JohnMo
    • November 17, 2025