Energy Efficient & Sustainable Design Concepts

112 topics in this forum

1. Health risks associated with passive houses 1 2 3 4 8

   By K78, October 6, 2016
   • 182 replies
   • 74.5k views
   • 
   • jack
   • October 14, 2016

2. Checklist : Heating

   By ToughButterCup, June 1, 2016   

   • checklist
   • heating
   • (and 2 more)

     Tagged with:

     • checklist
     • heating
     • pv
     • solar
   • 2 replies
   • 7.5k views
   • 
   • ToughButterCup
   • June 1, 2016

3. Suds for dummies

   By Danny68, June 15
   • 13 replies
   • 256 views
   • 
   • saveasteading
   • June 16

4. We got our as-built EPC

   By Conor, June 7
   • 10 replies
   • 289 views
   • 
   • Nick Laslett
   • June 8

5. Renovating - how to keep heat from the sun in the winter, and out in the summer

   By Garald, May 8
   • 3 replies
   • 341 views
   • 
   • Garald
   • May 9

6. Can anyone advise on MVHR systems please?

   By Cognis0, November 15, 2021
   • 20 replies
   • 1k views
   • 
   • jonc_uk
   • April 24

7. ashp Measured heat use way lower than MCS calculation. ASHP sizing.

   By Jwenty, April 5   

   • mcs
   • heat loss
   • 19 replies
   • 340 views
   • 
   • Jwenty
   • April 5

8. SIPS or ICF 1 2

   By jimmy_stocks, February 3
   • 44 replies
   • 1.4k views
   • 
   • jimmy_stocks
   • March 29

9. Tony Tray Airtightness

   By Johnny Jekyll, April 11, 2021
   • 15 replies
   • 1.5k views
   • 
   • ruggers
   • March 7

10. Traditional Timber Frame + Passivhaus

    By Kingy, February 28   

    • timberframe
    • passivhaus
    • (and 9 more)

      Tagged with:

      • timberframe
      • passivhaus
      • insulation
      • air tightness
      • cold bridge
      • greenbuilding
      • greenbuildingforum
      • hemp
      • oak beams
      • stone walls
      • roof
    • 3 replies
    • 396 views
    • 
    • saveasteading
    • March 1

11. Alternative "weather compensation" control ideas 1 2

    By ProDave, February 19
    • 38 replies
    • 720 views
    • 
    • dpmiller
    • February 21

12. Passive House, storms and power cuts 1 2

    By Russdl, February 18   

    • mvhr
    • battery
    • (and 2 more)

      Tagged with:

      • mvhr
      • battery
      • emergency power supply
      • co2
    • 33 replies
    • 992 views
    • 
    • SteamyTea
    • February 21

13. SAP calcs for extension

    By notreadyforthis, January 19   

    • sap
    • extension
    • (and 1 more)

      Tagged with:

      • sap
      • extension
      • glazing
    • 1 reply
    • 349 views
    • 
    • nod
    • January 19

14. Airtight Warm Roof - How?

    By Mr Blobby, January 19
    • 13 replies
    • 432 views
    • 
    • Mr Blobby
    • January 19

15. PVT heat pumps. Interesting?

    By Cognis0, November 17, 2021
    • 1 reply
    • 684 views
    • 
    • scottishjohn
    • November 19, 2021

16. Convection cleverness? Venting into the skylight?

    By puntloos, November 15, 2021
    • 10 replies
    • 305 views
    • 
    • jack
    • November 15, 2021

17. Why is my house so cold?! 1 2 3

    By Cognis0, October 24, 2021
    • 54 replies
    • 2k views
    • 
    • Cognis0
    • November 15, 2021

18. Checklist: Insulation

    By puntloos, November 14, 2021
    • 18 replies
    • 508 views
    • 
    • Marvin
    • November 14, 2021

19. Design considerations for new homes 1 2

    By SteamyTea, November 6, 2021
    • 27 replies
    • 915 views
    • 
    • billt
    • November 7, 2021

20. Can I avoid a cold bridge with balcony steel?

    By Kerry Rhodes, September 30, 2021
    • 7 replies
    • 671 views
    • 
    • Kerry Rhodes
    • October 1, 2021

21. Cold bridges in this design

    By puntloos, September 16, 2021
    • 6 replies
    • 541 views
    • 
    • AliG
    • September 20, 2021

22. SAP Calculation

    By CADjockey, August 19, 2021
    • 6 replies
    • 802 views
    • 
    • dpmiller
    • August 19, 2021

23. Major Issues Octopus App 1 2

    By canalsiderenovation, April 9, 2021
    • 42 replies
    • 2.2k views
    • 
    • Russdl
    • August 11, 2021

24. Sap ratings

    By nod, July 29, 2021
    • 8 replies
    • 684 views
    • 
    • Ferdinand
    • July 31, 2021

25. RSJ x Tony tray

    By Olf, July 4, 2021
    • 0 replies
    • 530 views
    • 
    • Olf
    • July 4, 2021