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Energy Efficient & Sustainable Design Concepts

199 topics in this forum

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

    By haddock,
    • 54 replies
    • 4.7k views

  2. Cost of airtightness retrofit?

    By anonymous,
    • 19 replies
    • 2.2k views

  3. Net zero retrofit requirements

    By ColdHouse,
    • 4 replies
    • 1k views

  4. Can anyone advise on MVHR systems please?

    By Cognis0,
    • 24 replies
    • 3k views

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

    By Dave and Helen,
    • 29 replies
    • 2.6k views

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

    By anonymous,
    • 28 replies
    • 2.5k views

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

    By Radian,
    • 13 replies
    • 1.1k views

  8. MVHR before air tightness?

    By anonymous,
    • 1 reply
    • 593 views

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

    By Adsibob,
    • 7 replies
    • 1.1k views

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

    By LaCurandera,
    • 11 replies
    • 1.2k views

  11. Got a SAP, what now? 1 2

    By HughF,
    • 27 replies
    • 2.3k views

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

    By puntloos,
    • 13 replies
    • 1.1k views

  13. External air ventilation for log burner

    By SBMS,
    • 23 replies
    • 4.8k views

  14. Airtightness on stable conversion

    By pstunt,
    • 3 replies
    • 654 views

  15. Airtightness test recommendation in NI

    By cwr,
    • 3 replies
    • 1k views

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

    By Alan Ambrose,
    • 14 replies
    • 2.4k views

  17. Airtightness vs bugs

    By puntloos,
    • 12 replies
    • 1.4k views

  18. SAP delays ahead

    By Canski,
    • 3 replies
    • 848 views

  19. a sustainable alternative to traditional cities?

    By Adsibob,   
    • 17 replies
    • 1.4k views

  20. Suds for dummies

    By Danny68,
    • 13 replies
    • 1.6k views

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

    By Garald,
    • 3 replies
    • 1.2k views

  22. Measured heat use way lower than MCS calculation. ASHP sizing.

    By Jwenty,   
    • 19 replies
    • 2.8k views

  23. Tony Tray Airtightness

    By Johnny Jekyll,
    • 15 replies
    • 3.3k views

  24. Traditional Timber Frame + Passivhaus

    By Kingy,   
    • 3 replies
    • 1.3k views

  25. Alternative "weather compensation" control ideas 1 2

    By ProDave,
    • 38 replies
    • 3.6k views
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