In CIBSE Journal in June 2016 this headline caught my eye. It is really a small article about health problems and indoor air quality (IAQ) in new homes. Occupants have problems with asthma and other respiratory illnesses. The article states that we do not vent enough our homes, but I just wonder what is enough? With all activity in our homes such as cooking, showering, cleaning, drying laundry, how long do you have to have your window open to get rid of all these issues?
The other problem is that new homes have lots of polutants and chemicals built-in, and if not ventilated enough during the first years of usage, this will for sure create some seriously bad indoor air quality and it will have long-term effects on our health.
Personally I think this issue should have much more space as it is evident that having an insulated and airtight building envelope does not allow enough air exchange. With all cracks sealed there is not enough air coming in the building and you are basically just slowly suffocating and creating long-term health issues for yourself.
The only solution is to have a mechanical ventilation system in your new home. I just wonder how long it will take for people to realize it that cutting cots on mechanical ventilation is not the way to go.