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Energy Efficient & Sustainable Design Concepts

212 topics in this forum

  1. Insulating cavity of existing beam and block sub-floor 1 2

    By embra,
    • 35 replies
    • 9.2k views

  2. Best floorboards for UFH - dry screedboard vs chipboard

    By embra,
    • 20 replies
    • 5.8k views

  3. Understanding Energy Performance Certificate (EPC) calculations

    By DundeeDancer,   
    • 17 replies
    • 7.7k views

  4. Stroma FSAP

    By Jimbo37,
    • 4 replies
    • 2.6k views

  5. The importance of Air tightness!

    By TheMitchells,
    • 0 replies
    • 992 views

  6. Shutters? Do we need them?

    By puntloos,
    • 5 replies
    • 1.8k views

  7. Stroma EPC / FSAP software questions 1 2

    By Ferdinand,   
    • 47 replies
    • 17.2k views

  8. I'd like to educate the planning officer about the importance of rectangular form in preference to the local vernacular. 1 2

    By MDC,
    • 44 replies
    • 6k views

  9. Solar, MVHR and ASHP

    By Risemead,
    • 7 replies
    • 1.7k views

  10. Passive House, storms and power cuts 1 2 3

    By Russdl,   
    • 59 replies
    • 9.5k views

  11. House tightness tests in Norfolk or Suffolk. 

    By JtG,
    • 20 replies
    • 2.1k views
    • JtG
    • JtG

  12. Service penetrations

    By eandg,
    • 6 replies
    • 1.7k views

  13. PHPP slab on grade U value vs floor component U value

    By frankquietly,
    • 0 replies
    • 895 views

  14. Overnight temp drop 0.3/hour in my MVHR+SIP house, is this good? 1 2 3

    By haddock,
    • 54 replies
    • 8.4k views

  15. Cost of airtightness retrofit?

    By anonymous,
    • 19 replies
    • 4k views

  16. Net zero retrofit requirements

    By ColdHouse,
    • 4 replies
    • 1.4k views

  17. Can anyone advise on MVHR systems please?

    By Cognis0,
    • 24 replies
    • 4.5k views

  18. Rainwater Harvesting - solutions from RainWater Harvesting Ltd 1 2

    By Dave and Helen,
    • 29 replies
    • 4.9k views

  19. Non PassivHaus new homes - Space heating requirements? 1 2

    By anonymous,
    • 28 replies
    • 4.1k views

  20. UK homes losing heat up to three times faster than European neighbours

    By Radian,
    • 13 replies
    • 2.2k views

  21. MVHR before air tightness?

    By anonymous,
    • 1 reply
    • 803 views

  22. Are energy efficient LEDs de-energising you?!

    By Adsibob,
    • 7 replies
    • 1.7k views

  23. Effect on insulation / stable temps on sleeping patterns.

    By LaCurandera,
    • 11 replies
    • 1.9k views

  24. Got a SAP, what now? 1 2

    By HughF,
    • 27 replies
    • 3.7k views

  25. Class A, B, C Hot water cylinder in Passivhaus

    By puntloos,
    • 13 replies
    • 2k views
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