the friend online
05 January 2007

Recovering heat - preview
Returning, excited, from listening to the silence (I love that oxymoron) of the Meeting's heat recovery unit I feel justified in writing a few words about our new gadget for this special issue


  • It was not our idea in the first place but that of the architect who designed the new roof of our Meeting house
  • One of the problems of the old roof had been the lack of ventilation within its structure
  • The simple principle of the heat recovery unit, also known as heat exchanger, is to provide ventilation while utilising heat from the outgoing stale air to warm incoming fresh air, thus reducing the energy required to maintain room temperature
  • The use of HRUs is likely to become increasingly widespread, especially in view of current building regulations requiring new dwelling houses to be airtight

  • Roger Sanderson

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    Cover

    International Edition: Researching Quaker ancestors
    Michael Hargreave
    International edition: Helping young people to deal with the past
    Diana & John Lampen
    Country of the week: Zimbabwe

    Green action
    Laurie Michaelis
    Sustainability in our Meetings

    Contraction & convergence – the solution to climate change?
    David Maxwell, Bedford MM
    Travel & transport: how far can we go on renewables?
    Martin Quick
    Letters
    editorial@thefriend.org
    Reducing your energy footprint
    Anne Brewer
    An inconvenient truth
    Gwen Prince & Laurie Michaelis
    Travel dilemmas

    Recovering heat
    Roger Sanderson
    Preserving the natural environment: wildlife gardening
    Reg Snowdon
    q-eye
    eye@thefriend.org

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