Underfloor Heating

1320 topics in this forum

1. UFH heating- 3 adjacent area

   By ab12, Tuesday at 11:22
   • 4 replies
   • 158 views
   • 
   • ab12
   • Tuesday at 15:29

2. Dry screed thickness and can laid by DIY method

   By ab12, April 20
   • 1 reply
   • 192 views
   • 
   • Russell griffiths
   • April 21

3. IVAR UFH Blending Valve stopped working

   By Rob99, April 14
   • 10 replies
   • 383 views
   • 
   • Rob99
   • April 16

4. UFH layout in odd-shaped space, on overlay panels

   By andyscotland, March 18
   • 9 replies
   • 645 views
   • 
   • andyscotland
   • April 12

5. Floor Probes for Heated Slab

   By Spinny, March 22
   • 3 replies
   • 340 views
   • 
   • Spinny
   • March 23

6. My Install - some questions! 1 2

   By Duncan62, February 10
   • 36 replies
   • 1.6k views
   • 
   • SimonD
   • March 15

7. UFH Design - LoopCAD, Heatpunk,Spreadsheets & Copilot

   By Adrock, July 6, 2025
   • 18 replies
   • 2k views
   • 
   • JohnMo
   • March 6

8. UFH design received - any tips on how to mark out the floor / install

   By Great_scot_selfbuild, February 28
   • 21 replies
   • 808 views
   • 
   • Nickfromwales
   • March 1

9. UFH - do I need floor probes?

   By Great_scot_selfbuild, February 26
   • 9 replies
   • 545 views
   • 
   • Nickfromwales
   • February 26

10. UFH - validate my thinking plus some questions

    By Bigdeadbadger, February 17
    • 21 replies
    • 868 views
    • 
    • JohnMo
    • February 18

11. Heat pumps. Any negative points about 3 phase? 1 2

    By saveasteading, February 11
    • 36 replies
    • 1.4k views
    • 
    • SteamyTea
    • February 15

12. Overlay UFH on existing uninsulated concrete slab with new gas boiler, worth it?

    By BenB, February 14
    • 6 replies
    • 555 views
    • 
    • marshian
    • February 15

13. Two questions relating to UFH manifolds

    By Bancroft, November 24, 2025
    • 23 replies
    • 1.5k views
    • 
    • Nickfromwales
    • February 11

14. Installing parquet over overfit type UFH boards

    By sb1202, February 10
    • 5 replies
    • 508 views
    • 
    • Nickfromwales
    • February 10

15. MCS requirements for whole home UFH 1 2

    By cmdrawesome, November 4, 2025
    • 35 replies
    • 2.6k views
    • 
    • cmdrawesome
    • February 9

16. Help with subfloor for Wet UFH

    By Adrian of Brighton, February 4   

    • thermrite
    • subfloor
    • (and 2 more)

      Tagged with:

      • thermrite
      • subfloor
      • slab
      • . basement
    • 2 replies
    • 572 views
    • 
    • Nickfromwales
    • February 8

17. Under floor heating upstairs

    By steady, November 11, 2025
    • 21 replies
    • 1.5k views
    • 
    • SBMS
    • February 6

18. How can I roughly calculate UFH output at given flow temps. 1 2

    By jimseng, February 2
    • 44 replies
    • 1.6k views
    • 
    • JohnMo
    • February 3

19. Superfoil underfloor insulation

    By Mr Blobby, January 29
    • 8 replies
    • 709 views
    • 
    • Nickfromwales
    • January 29

20. Huge difference between set and actual room temperature 1 2

    By iMCaan, January 12
    • 26 replies
    • 1.6k views
    • 
    • iMCaan
    • January 28

21. Need to purge one circuit, Help please

    By Post and beam, January 27
    • 6 replies
    • 615 views
    • 
    • JohnMo
    • January 27

22. UFH comparing quotes (the detail) - anyone have a view on these pipes?

    By Great_scot_selfbuild, January 26
    • 3 replies
    • 579 views
    • 
    • Nestor
    • January 27

23. Upstairs heating options for passivehaus - electric or wet systems; looking for advice 1 2 3 4

    By Great_scot_selfbuild, January 20
    • 78 replies
    • 4.1k views
    • 
    • SteamyTea
    • January 26

24. UFH design - help / recommendations?

    By Great_scot_selfbuild, January 5
    • 7 replies
    • 862 views
    • 
    • Great_scot_selfbuild
    • January 6

25. Does anyone know of a wifi thermostat that still runs a schedule even if not connected to the 'cloud'

    By Bramco, December 28, 2025
    • 14 replies
    • 908 views
    • 
    • Bramco
    • December 29, 2025