Page 5 - HGS Suburb News 151 - Autumn 2022
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kept toasty warm on cold January  We at HGS REACH don’t have  substantial refurb – adding a heat
                                                         nights. This myth is busted.  firm data but reckon most Suburb  pump at this stage is more
                                                         Unreliable? Early heat pumps had  homes may need an insulation  straightforward and will ensure
                                                         problems, yes. But so did the first  upgrade if they get a heat pump –  that your beautiful refurbished
                                                         combi boilers. A new, well-  maybe reducing heat loss from  home is truly future-proof.
                                                         maintained unit should be very  windows and improving loft  The Trust’s guidelines (on their
                                                         reliable. Would the Swedes risk  insulation. They’re a good idea  website) may appear daunting.
                                                         freezing to death by installing tech  anyhow. But it does underline that  But the reality is that applications
                                                         that would break down in their  installing a heat pump for the first  are not only rising fast – but the
                                                         near-arctic winters? No. Another  time isn’t just a straight swap for a  Trust is also taking a constructive
                                                         myth busted.              combi boiler. The engineer needs  approach, and they are being
                                                         Noisy? The noise issue requires  to assess heat loss in the home  overwhelmingly approved.
                                                         more careful attention. Their fans  and find an appropriate place for  Want to know more? Email
                                                         hum, so to avoid problems with  the external unit which extracts  reach@hgsra.org. We can connect
                                                         neighbours, they should be sited  the heat from the air. Small  you to people in the Suburb with
                                                         away from a boundary, as noted  cottages in HGS may struggle to  a heat pump (and nice warm
                                                         in the Trust’s guidelines. The  find a good place to house the  houses). We are also looking at
    Heat pumps on the                                    noise, such as it is, is most  external heat exchange unit; a few  ways to drive down the costs by
                                                                                                             using our collective buying power
                                                                                   houses may need some rework to
                                                         noticeable when they are running
                                                                                   their heating pipework.
                                                                                                             – remember, all 5,000 homes in
                                                         hard, heating a home on a cold
                                                         winter’s night. It’s unlikely your  It’s important to note that heat  the Suburb will need a heat pump
    Suburb myths and reality                             neighbours will be enjoying dinner  pumps require electric power. So,  by 2035. We are looking at street-
                                                         in their garden at that time. If
                                                                                   your gas bill for heating and hot
                                                                                                             level schemes so installers can
                                                         you’re concerned about noise,  water will drop to zero, but your  create standard installations for
    JONATHAN WAXMAN            heat our homes. That is 30,000  contact us below, you can visit a  electric bill will rise. However, by  similar houses to drive down
    & GREN MANUEL              tonnes of carbon dioxide added  house with heat pumps and test if  2021 UK’s electric power supply  costs further. Stay tuned for this.
                               to our atmosphere and way above  you can hear a few metres away.  was already 50% carbon-free, and  If you’ve got a heat pump,
      magine scientists invented a  the average UK home per square  Expensive? The picture here is more  by 2035 the target is 100%.  we’d also like to hear from you.
       machine that could generate  foot. Indeed, we live in HGGS –  complex and changing. Cost  And change is going to come.  We’d like to know which firms are
    I renewable energy from nothing  the High Greenhouse Gas Suburb.  depends on the house size, which  The government has banned gas  doing a good job so we can help
    more than air. Imagine it could  We must bring those figures  affects the unit size. (Here, for  boilers from new houses from  others to a trouble-free installation.
    provide hot water and central  down and eliminate them – get  simplicity, we will talk only about  2025, and existing gas boilers  We will also help people
    heating for a whole house – and it  them to zero! The UK government  heat pumps that collect heat from  cannot be replaced after 2035. No  improve their energy efficiency by
    was no larger than a garden  wants to do that by 2050; we at  the air, which are the cheapest  technology can take their place at  loaning a thermal camera that
    barbeque. Imagine no more.  HGS REACH think the Suburb  and most common). Installing  present other than heat pumps.  helps identify draughts, poor
       That invention is the heat pump  should aim for 2040.  your first heat pump may cost two  If you’re installing a new gas  insulation, and other ways heat
    and houses across the Suburb are  After all, we don’t want to  or even three times a new combi  boiler before the winter, it’s likely  (and your money!) is escaping
    installing them, making a massive  regularly bake as we did this  boiler. One reason is that they are  to be your last. Better yet, start  your home. The RA has generously
    cut to their CO2 emissions. The  summer (triggering further  mechanically more complex than  fact-finding on heat pumps.  funded the purchase of this
    Trust is seeing a sharp rise in  subsidence problems as our clay  a combi boiler – that is slowly  Nothing can slash your carbon  technology, and it will be free for
    applications to install one, and  dries); we also don’t want to  improving. The other is a shortage  footprint as effectively. This  HGSRA members. Stay tuned for
    they are getting approved.  repeat the flooding of Summer  of qualified fitters, keeping fitting  applies even more if you plan a  this also.
       The gas boilers that heat most  2021. We also don’t want Vladimir  costs high. The government is
    homes in the Suburb are on their  Putin to have the power to raise  attempting to fix this by offering  HGS REACH HACKATHON*
    way out. Government policy will  our household energy bills, like  grants that cut the price of new
    see them banned for sale in 2035.  the 54% coming in October.  installations of air source heat  HGS REACH would like to get residents started on their own heat
    And quite right too. They’re a  Heat pumps work because,  pumps by £5,000 to stimulate  pump journey! We will be running a hackathon this winter to gather
    20th-century solution to our  even on the coldest days, there is  increased demand and training.  as much information as we can about HGS homes – so that we can all
    heating problems, belching out  still plenty of thermal energy in  (Search ‘boiler upgrade scheme’  start to think about replacing our gas boilers with a clean heat pump.
    greenhouse gases, their emissions  the air or ground. They function  online for more info.) With this  We will send out more info by email - please get in touch with us
    made worse by the poor     like a reverse fridge, pumping this  grant, the cost of an air source  at reach@hgsra.uk – and we will share with you some simple steps to
    insulation of many Suburb homes.  heat (hence the name) into the  heat pump will be close to that of  get heat-pumping! Also, keep an eye on the RA website...
       Using energy data for two  home to run central heating or  a new combi boiler.                                    The REACH team
    archetypal Suburb properties – a  provide hot water.    But there is another issue very
                                                                                     * Hackathon: a usually competitive event in which people work in groups on software or
    modest cottage in Oakwood Road  You’ve probably read about  relevant to HGS: the heat output  hardware projects, with the goal of creating a functioning product by the end of the event.
    and a larger home in Litchfield  them in the papers, some of  is different. Combi boilers pump
    Way – we analyse that both have  which delight in running articles  water at up to 75 degrees C. Heat
    energy use around twice the size  labelling them as useless, unreliable,  pumps are more efficient at 45 or  Hall and Randall Plumbers
    of comparable homes elsewhere  noisy, or expensive. We’ll examine  55 degrees – still hot enough for
    in the UK.                 each of these in turn:    a shower but potentially not
       That’s twice the cost, of  Useless? They heat more than half  enough to fully heat a badly
    course. And also, twice the  the houses in Sweden. If they can  insulated house with small or  Plumbing and Heating Services • Property Maintenance
    carbon emissions. In HGS, we  heat homes in Sweden, they can  inefficient radiators. Unfortunately,
    burn approximately 160,000,000  heat homes in London. A handful  many of the Suburb’s 5,000
    kilowatt hours of gas yearly to  of Suburb homes are using them,  homes fit that description.

         Call for Residents Association


      Trees & Open Spaces volunteers


                                                                                      Central Heating, Plumbing Repairs & Advisory Service
    MARIA SCHLATTER              Given the diminishing access  help us? We need more residents
                               to nature in the built environment,  to support the work of the RA’s  Look no further... your local plumbers
           ho among our residents  we cannot take these green spaces  Trees & Open Spaces Committee  Emergency repairs, blocked pipes, drainage,
           has not been persuaded  for granted, and Hampstead  and are calling for both practical
     W to live in Hampstead    Garden Suburb has active  volunteers and potential       guttering, roofing, central heating and boilers.
    Garden Suburb, rather than any  organisations that work to make  committee members to help  12 months guarantee, 40 years experience
    other London suburb, because of  them better for everyone to enjoy.  ensure that our magnificent public  132 Manor Way, Borehamwood, Herts, WD6 1QX
    its life-enhancing green spaces?  They include the HGS Horticultural  green spaces and our existing
    We are privileged to live in an area  Society, Allotment Group,  stock of street trees and iconic  Web: www.hallandrandallplumbers.com
    that, through a combination of  Northway Gardens Organisation,  veteran trees are monitored and
    design and commitment, preserves  Friends of Bigwood, Henrietta  enhanced. We need volunteers to  Email: office@hallandrandall.com
    its beautiful public and private  Community Orchard, and of  help with our annual tree survey,  Tel: 020 8953 2094 • Fax: 020 8905 1602
    gardens, street trees, Hampstead  course the long-standing Residents  assisting in watering street trees,
    Heath and Bigwood and Littlewood,  Association’s Trees & Open Spaces  and helping to undertake a local  Evenings: Garry 020 8207 3286 • Greg 020 8953 9828
    not to mention Northway Gardens  Committee, which is now in need  hedgehog count.
    tended by local volunteers. They  of new members and volunteers.  If you would like to find out
    are an everyday delight to both  Do you have an interest in  more about what we do, and make
    HGS residents and visitors drawn  nature, especially trees, and do  new friends in the process, please
                                                                                        11495
    to our restorative open spaces.  you have some time available to  email us at: trees@hgsra.uk.
    SUBURB NEWS IS PRODUCED AND DELIVERED TO YOU BY RESIDENTS ASSOCIATION VOLUNTEERS                                                 5
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