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Health

What is Hygiene Ventilation and why should it be designed into homes and offices?

3 May 2020Patrick Leave a comment

When we consider examples of good hygiene in our home, we may think of easy-to-clean materials, strong disinfectants and mops and buckets. But as Covid-19 is proving, hygiene in the home also relates significantly to the air we breathe indoors,… Continue reading →

Air Conditioning, Air Quality, Health, Virus Air quality, Health, MVHR, Ventilation

How improving indoor air quality is one of the best ways to limit virus transmission

28 February 2020Patrick Leave a comment
Single use face masks on sale in Malaysia during Corona virus scare

Good indoor air quality – and by that I mean proper indoor ventilation that exhausts stale air from a building and replaces it with fresh air from outside – is one of the best ways to prevent the transmission of… Continue reading →

Air Quality, Health, Virus Corona Virus, SARS Virus, Transmission Risks, Ventilations

David Beckham’s £6m renovation will have a cheap £60 ventilation system – for the whole house

14 August 2017Patrick Leave a comment

I pointed out last week how it seems really likely that Elon Musk’s family home has an MVHR system. This makes sense, given how interested he is in technology, energy efficiency and health. MVHR systems are the only intelligent way to maintain… Continue reading →

Air Quality, Building Regulations, Health, MVHR Air quality, Luxury building, MVHR

So who are Passive Houses for?

15 April 2016Patrick 1 Comment
Interior design of a PassivHaus apartment in blue

Are eco-friendly passive houses for rich people? Eco warriors? Self-builders? Housing associations? Or are they only the preserve of our more logical, engineering-minded continental cousins in Germany? Passive Houses are for everyone. To build a Passive House, ie, one that runs at… Continue reading →

Health, PassivHaus Dodgy Building, Green Deal, Insulation, PassivHaus

Can you open the windows in a PassivHaus?

9 April 2016Patrick 4 Comments
Prickly plant life growing indoors in a goldfish bowl

One of my friends remarked today that their colleague was asking about that “German eco home, the one where you can’t open the windows…” The idea that you can’t open the windows in a Passive House comes from a misconception… Continue reading →

Air Quality, Health, London, MVHR, PassivHaus Air quality, Crime, Homes, London, Smog, Ventilation

How to calculate how much energy your windows will save from its U-value

6 April 2016Patrick 8 Comments
Triple-glazed windows in a stunning home in Iceland

The number assigned to a building fabric that represents its thermal resistance is called its U-value. A U-value tells us how quickly or slowly it takes for heat to pass through it. Fabrics with lower U-values are better insulators than those with… Continue reading →

Health, PassivHaus, Windows Calculations, Triple-Glazed, U-value, Windows

The five most common problems with Mechanical Heat Recovery (MVHR) Units

12 March 2016Patrick 4 Comments

Modern homes are shifting towards increasing levels of airtightness in order to secure heat-saving benefits. With increasing levels of airtightness comes a need for a ventilation strategy. For Passivhaus, this means an MVHR system. Heat from the home is lost… Continue reading →

Health, MVHR London, MVHR, PassivHaus

How poor ventilation in your office is making you tired and ill

17 February 2016Patrick Leave a comment
The Shard, the moon and the old churches of London

We spend a huge part of our lives indoors – I’ve spent 96 per cent of my last 24 hours indoors, and it’s not an unusual day for me in winter. Consider your day. How long were you actually outside in the… Continue reading →

Health, Office Life, PassivHaus Health, Outdoors, Ventilation

Recent Posts

  • Case Study: MVHR retrofit design and installation in a 100-year old cottage
  • Case Study: Cotswold new build is 100x more airtight than Building Regs and 6x more airtight than Passivhaus
  • What’s the difference between an MVHR Heat Exchanger and an Enthalpy that recovers moisture?
  • How you can still benefit from the Green Homes Grant
  • What is Hygiene Ventilation and why should it be designed into homes and offices?

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