Air Source Heat Pumps (ASHP)

1143 topics in this forum

1. What's the case for not getting an ASHP? 1 2 3 4 11

   By kentar, August 20
   • 252 replies
   • 6.4k views
   • 
   • jack
   • Thursday at 16:03

2. SAP calcs are (finally) in! Now searching for ASHP & MVHR in earnest - any recommendations / ones to avoid?

   By Great_scot_selfbuild, Wednesday at 19:18
   • 8 replies
   • 201 views
   • 
   • Great_scot_selfbuild
   • Thursday at 08:06

3. Smart electric tariff 1 2 3

   By JohnMo, June 30   

   • utilities
   • electric bill
   • (and 3 more)

     Tagged with:

     • utilities
     • electric bill
     • tariffs
     • battery storage
     • ashp
   • 61 replies
   • 2.3k views
   • 
   • JohnMo
   • Thursday at 07:43

4. Just told that split system for UFH / fan coil cooling is not possible

   By flanagaj, August 26
   • 10 replies
   • 304 views
   • 
   • Beelbeebub
   • August 26

5. r290 mini split/A2A 1 2

   By HughF, June 21, 2023
   • 31 replies
   • 5.4k views
   • 
   • HughF
   • August 26

6. Heat pump radiators 1 2

   By Clark Kent, August 20
   • 30 replies
   • 822 views
   • 
   • marshian
   • August 25

7. Mitsubishi Ecodan/FTC5 and Heatmiser UH8 UFH control

   By cb1965, December 4, 2021
   • 3 replies
   • 1.4k views
   • 
   • JamesPa
   • August 25

8. BUS grant eligibility with swimming pool heat pump heater

   By Michael_S, August 21
   • 3 replies
   • 225 views
   • 
   • JamesPa
   • August 22

9. BUS grant: what evidence to qualify ?

   By Post and beam, August 18
   • 23 replies
   • 684 views
   • 
   • Post and beam
   • August 22

10. newly installed ASHP system in southern Italy, strange issue.

    By ROBINLAWRIE, August 21
    • 7 replies
    • 230 views
    • 
    • ROBINLAWRIE
    • August 21

11. Observations Commissioning ASHP 1 2

    By JohnMo, November 3, 2023   

    • ashp
    • ufh
    • 43 replies
    • 5.6k views
    • 
    • Nickfromwales
    • August 18

12. Heat pump grant. How do you apply?

    By flanagaj, August 17
    • 11 replies
    • 268 views
    • 
    • SimonD
    • August 17

13. ASHP Design considerations

    By JohnMo, August 17   

    • ashp
    • design
    • 7 replies
    • 234 views
    • 
    • JamesPa
    • August 17

14. Gravity driven plate heat exchanger for DHW

    By Dillsue, August 15
    • 6 replies
    • 265 views
    • 
    • Dillsue
    • August 16

15. location of the ASHP outdoor unit

    By chdb, August 3
    • 16 replies
    • 658 views
    • 
    • Kelvin
    • August 14

16. Two circuits for cooling? 1 2 3 4

    By SBMS, August 2
    • 75 replies
    • 2.3k views
    • 
    • joth
    • August 11

17. Switching ASHP to cooling

    By Tom, August 6
    • 6 replies
    • 389 views
    • 
    • JohnMo
    • August 6

18. ASHP / backup generator

    By Bozza, September 29, 2023
    • 19 replies
    • 2.3k views
    • 
    • Kelvin
    • August 4

19. A2A + A2W ASHP or a more powerful A2W ASHP? 1 2

    By puntloos, March 23, 2023
    • 25 replies
    • 3.8k views
    • 
    • puntloos
    • August 4

20. Insulated pipework for ASHP fancoil cooling

    By SBMS, August 2
    • 5 replies
    • 266 views
    • 
    • JohnMo
    • August 2

21. Do I need a HP specific cylinder? 1 2 3

    By Beelbeebub, September 23, 2023
    • 53 replies
    • 8.1k views
    • 
    • JamesPa
    • August 1

22. Panasonic ASHP

    By marshian, July 27
    • 11 replies
    • 428 views
    • 
    • SteamyTea
    • July 28

23. Could this be the cause of our noisy heating system?

    By Beau, July 20
    • 9 replies
    • 554 views
    • 
    • Beau
    • July 22

24. Sizing ASHP according to heat loss calcs 1 2

    By flanagaj, July 21
    • 31 replies
    • 849 views
    • 
    • Dillsue
    • July 22

25. Mini Store COP and Running Cost

    By cjc88, April 1
    • 21 replies
    • 1.2k views
    • 
    • Dan G
    • July 20