Energy Efficient & Sustainable Design Concepts

210 topics in this forum

1. Airtightness test recommendation in NI

   By cwr, September 30, 2022
   • 3 replies
   • 1.2k views
   • 
   • dpmiller
   • September 30, 2022

2. One-line idiots guide to the various heat calculation systems

   By Alan Ambrose, August 16, 2022
   • 14 replies
   • 3.5k views
   • 
   • Alan Ambrose
   • September 26, 2022

3. Airtightness vs bugs

   By puntloos, September 11, 2022
   • 12 replies
   • 2.2k views
   • 
   • Iceverge
   • September 11, 2022

4. SAP delays ahead

   By Canski, August 1, 2022
   • 3 replies
   • 1.1k views
   • 
   • Canski
   • August 1, 2022

5. a sustainable alternative to traditional cities?

   By Adsibob, July 28, 2022   

   • the future of sustainability
   • 17 replies
   • 2k views
   • 
   • Adsibob
   • July 29, 2022

6. Suds for dummies

   By Danny68, June 15, 2022
   • 13 replies
   • 2.5k views
   • 
   • saveasteading
   • June 16, 2022

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

   By Garald, May 8, 2022
   • 3 replies
   • 1.9k views
   • 
   • Garald
   • May 9, 2022

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

   By Jwenty, April 5, 2022   

   • mcs
   • heat loss
   • 19 replies
   • 4.5k views
   • 
   • Jwenty
   • April 5, 2022

9. Tony Tray Airtightness

   By Johnny Jekyll, April 11, 2021
   • 15 replies
   • 4.2k views
   • 
   • ruggers
   • March 7, 2022

10. Traditional Timber Frame + Passivhaus

    By Kingy, February 28, 2022   

    • timberframe
    • passivhaus
    • (and 9 more)

      Tagged with:

      • timberframe
      • passivhaus
      • insulation
      • air tightness
      • cold bridge
      • greenbuilding
      • greenbuildingforum
      • hemp
      • oak beams
      • stone walls
      • roof
    • 3 replies
    • 1.9k views
    • 
    • saveasteading
    • March 1, 2022

11. Alternative "weather compensation" control ideas 1 2

    By ProDave, February 19, 2022
    • 38 replies
    • 4.8k views
    • 
    • dpmiller
    • February 21, 2022

12. SAP calcs for extension

    By notreadyforthis, January 19, 2022   

    • sap
    • extension
    • (and 1 more)

      Tagged with:

      • sap
      • extension
      • glazing
    • 1 reply
    • 1.5k views
    • 
    • nod
    • January 19, 2022

13. Airtight Warm Roof - How?

    By Mr Blobby, January 19, 2022
    • 13 replies
    • 3.7k views
    • 
    • Mr Blobby
    • January 19, 2022

14. PVT heat pumps. Interesting?

    By Cognis0, November 17, 2021
    • 1 reply
    • 1.8k views
    • 
    • scottishjohn
    • November 19, 2021

15. Convection cleverness? Venting into the skylight?

    By puntloos, November 15, 2021
    • 10 replies
    • 1.6k views
    • 
    • jack
    • November 15, 2021

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

    By Cognis0, October 24, 2021
    • 54 replies
    • 11.4k views
    • 
    • Cognis0
    • November 15, 2021

17. Checklist: Insulation

    By puntloos, November 14, 2021
    • 18 replies
    • 2.5k views
    • 
    • Marvin
    • November 14, 2021

18. Design considerations for new homes 1 2

    By SteamyTea, November 6, 2021
    • 27 replies
    • 3.4k views
    • 
    • billt
    • November 7, 2021

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

    By Kerry Rhodes, September 30, 2021
    • 7 replies
    • 3.7k views
    • 
    • Kerry Rhodes
    • October 1, 2021

20. Cold bridges in this design

    By puntloos, September 16, 2021
    • 6 replies
    • 1.9k views
    • 
    • AliG
    • September 20, 2021

21. SAP Calculation

    By CADjockey, August 19, 2021
    • 6 replies
    • 2.1k views
    • 
    • dpmiller
    • August 19, 2021

22. Major Issues Octopus App 1 2

    By canalsiderenovation, April 9, 2021
    • 42 replies
    • 7.7k views
    • 
    • Russdl
    • August 11, 2021

23. Sap ratings

    By nod, July 29, 2021
    • 8 replies
    • 2.3k views
    • 
    • Ferdinand
    • July 31, 2021

24. RSJ x Tony tray

    By Olf, July 4, 2021
    • 0 replies
    • 1.4k views
    • 
    • Olf
    • July 4, 2021

25. Air tightness membrane for hollow core ends

    By cwr, May 3, 2021
    • 14 replies
    • 4.9k views
    • 
    • Thorfun
    • July 1, 2021