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Efficiency


Heating & Renewable Energy Feature


investment in social housing. We’ve also seen how smart devices offer a solution to achieving energy efficiency. But, we must now consider why more affordable, energy efficient homes will


fail to connect all the dots. They run the risk of failing to provide long-term solutions to our need to protect the environment and to provide a safe environment to live in. The state of our housing’s effects on our health was laid bare by the All-Party


Parliamentary Group for Healthy Homes and Buildings. Contemporary building design and renovation is found to be seriously wanting – and most times it’s a sole focus on providing ‘energy efficiency’ that is the culprit. In ‘sealed’ environments, without adequate ventilation, occupants are at risk


of overheating and health risks from poor indoor air quality. Poor IAQ caused by toxins and chemicals is estimated to annually cost the UK 204,000 healthy life years. Due to climate change, urban concentration and incentivisation to focus on energy efficiency alone, there has been an increase in the overall temperature of our homes. The committee insists that “the Government should end the practice of


The ambitious target of providing 300,000 new homes by the mid-2020s to


address the chronic housing shortage in England represents a great opportunity to introduce best practice for energy-efficient homes. But, the proportion of homes that social housing will provide currently


stands at just 3 per cent. Homeless charity Shelter has already done its sums: at least three million new


social homes are needed in the next 20 years. And Kate Henderson, chief executive of the NHF, concurs that ‘relying on private developers is fatally flawed. Without investment in affordable housing, it isn’t possible to build enough homes to ensure everyone has somewhere stable and affordable to live.’ Complicating this already complex situation is the pressure that’s being


applied for homes to be affordable, energy-efficient, and also healthy. We’ve seen how targets for net zero and ending the housing shortage need


improving energy efficiency without due consideration to the consequences for health.” But, flicking through the 300-page report on achieving net zero, you’ll find


overheating mentioned once (p242) and ventilation glossed over as part of a list just four times (p33, p195, p201 and p272).


VENTILATION Ventilation is very much the missing link that can connect the dots between net zero targets, smart devices, social housing, the UK’s housing crisis and healthy homes. And you won’t be surprised to learn that AI-enabled ventilation is already very much a reality.


Rupert Kazlauciunas is technical product manager MVHR at Zehnder Group UK Limited


26 | HMM February/March 2020 | www.housingmmonline.co.uk


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