Comments on: Retrofit Passivhaus: A Good Approach for Refurbishing Existing Buildings in the United Kingdom?

By: The Nation’s First Net-Positive Planned Community: NewPHire, North Carolina | The GRID | Global Site Plans

Thu, 27 Dec 2012 19:19:44 +0000

[...] to spread globally today. Previous articles from The Grid on the topic may be found at “Retrofit Passivhaus: A Good Approach for Refurbishing Existing Buildings in the United Kingdom?“, “Is Whole House Mechanical Ventilation with Heat Recovery (MVHR) Really a Passive [...]

By: Laura Paterson

Laura Paterson — Mon, 16 Jan 2012 19:08:45 +0000

Thanks for the comment Mike, agree the floor work to an exisitng building would be disruptive, and raising the floor creates issues of accessibility – so not a straight forward solution!

By: Michael

Michael — Sat, 19 Nov 2011 11:43:47 +0000

I’m sure the under floor work would be the most costly and disruptive. What sort of saving would be lost if the ground heat exchanger was omitted? I imagine in most cases (where the ceiling height allowed) the floor insulation could be achieved by building the floor up rather than digging down but this would vary from house to house