Air Source Heat Pumps (ASHP)

1256 topics in this forum

1. Cooling options

   By Nicolas, Saturday at 11:59
   • 11 replies
   • 296 views
   • 
   • ectoplasmosis
   • Tuesday at 09:25

2. Reliability of Fernox Express Inhibitor Test Strips

   By sharpener, Monday at 16:40
   • 2 replies
   • 93 views
   • 
   • sharpener
   • Monday at 22:00

3. Air-to-air ASHP replacing warm air heating 1 2 3 4

   By Gooman, May 25, 2021
   • 79 replies
   • 40.6k views
   • 
   • Jeff Dee
   • September 23

4. Wired or wireless?

   By Selfbuildsarah, September 21
   • 4 replies
   • 232 views
   • 
   • cedricuk
   • September 22

5. Finding ASHP installer who understands fan coils

   By flanagaj, September 18
   • 10 replies
   • 365 views
   • 
   • flanagaj
   • September 19

6. Anti-freeze valves required?

   By AndySat, September 11
   • 5 replies
   • 383 views
   • 
   • saveasteading
   • September 12

7. Ecodan r32 keeps flipping into immersion mode.

   By MorganP, September 8
   • 17 replies
   • 563 views
   • 
   • PhilT
   • September 11

8. ASHP service

   By Dillsue, September 6
   • 6 replies
   • 429 views
   • 
   • sharpener
   • September 10

9. Should I ditch the installers and DIY my ASHP?

   By jimseng, August 27
   • 21 replies
   • 967 views
   • 
   • Dillsue
   • September 8

10. Descaling ASHP heat exchanger

    By joth, May 10
    • 9 replies
    • 1.6k views
    • 
    • ectoplasmosis
    • September 4

11. Cooling mode, but

    By Post and beam, June 23
    • 14 replies
    • 1.3k views
    • 
    • JohnMo
    • September 3

12. Fan coil minimum flow temp

    By mistake_not, August 8
    • 3 replies
    • 598 views
    • 
    • JohnMo
    • August 8

13. Fan Coil Units for use with a (cooling) ASHP 1 2 3 4 14

    By ProDave, July 24, 2019
    • 346 replies
    • 91.2k views
    • 
    • JohnMo
    • August 3

14. Samsung EHS Mono R290 / Quint TDM

    By Bridgfordman, July 28
    • 20 replies
    • 1k views
    • 
    • Bridgfordman
    • July 31

15. Weather Comp + independent zone valve 1 2

    By Mr Blobby, May 19
    • 46 replies
    • 3.2k views
    • 
    • Mr Blobby
    • July 13

16. Ashp, ufh and fancoils. Help!

    By lizzieuk1, April 21
    • 24 replies
    • 2.4k views
    • 
    • SBMS
    • July 5

17. Ceiling mount fan coil search… 1 2

    By G and J, June 26
    • 27 replies
    • 1.7k views
    • 
    • G and J
    • July 3

18. Heat Pump Running Cost Poor Reporting And Misinformation

    By PhilT, June 30
    • 12 replies
    • 1.3k views
    • 
    • marshian
    • June 30

19. DHW safety valve?

    By Duncan62, June 18
    • 17 replies
    • 1.2k views
    • 
    • Nickfromwales
    • June 22

20. F gas A2A and A2W 1 2

    By Oz07, June 16
    • 33 replies
    • 2.4k views
    • 
    • Nickfromwales
    • June 21

21. Heat pump fill & flush outside

    By LaChab, June 16
    • 2 replies
    • 999 views
    • 
    • LaChab
    • June 16

22. BUS increase to 9k for off grid properties. Does anybody know if self build properties are eligable.

    By jimseng, June 6
    • 1 reply
    • 1k views
    • 
    • JohnMo
    • June 6

23. running cooling mode? noises

    By Post and beam, May 28
    • 7 replies
    • 1.3k views
    • 
    • Post and beam
    • June 1

24. vaillant cooling mode plug specification.

    By Post and beam, May 24
    • 3 replies
    • 1.1k views
    • 
    • Post and beam
    • May 26

25. LG Therma V set up quirks and info

    By Dillsue, September 23, 2025
    • 20 replies
    • 2.9k views
    • 
    • Dillsue
    • May 25