But also you'd need a good air handling system to move and refresh the air.
And therein is the rub! Ventilation is critical in building design and many older houses cannot easily be retrofitted with a mechanical ventilation system, not to mention the costs.
Also, sealing air gaps is pretty much impossible in a house that wasn't built this way. I have been trying all kinds of things in my (30 year old) house to seal up gaps but there are spaces inside the floors to the outside through small mortar gaps, spaces behind electrical sockets, gaps in various parts of the floor and even around windows between the finishing.
I would personally like to see a more top-level view from governments. In the UK, for instance, they should be targetting the oldest housing stock and simply replacing it. I know this is hard because people own their freeholds but if we are serious and if someone would get a nice warm house in return for their old house then I think most people would be up for it.
Have you heard of AeroBarrier[0]? It's an aerosolized silicon sealant that is sprayed throughout a home while a pressure door system is used to negatively pressurize a house. The silicon is sucked through all the tiny gaps and fills them. It's pretty crazy.
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And therein is the rub! Ventilation is critical in building design and many older houses cannot easily be retrofitted with a mechanical ventilation system, not to mention the costs.
Also, sealing air gaps is pretty much impossible in a house that wasn't built this way. I have been trying all kinds of things in my (30 year old) house to seal up gaps but there are spaces inside the floors to the outside through small mortar gaps, spaces behind electrical sockets, gaps in various parts of the floor and even around windows between the finishing.
I would personally like to see a more top-level view from governments. In the UK, for instance, they should be targetting the oldest housing stock and simply replacing it. I know this is hard because people own their freeholds but if we are serious and if someone would get a nice warm house in return for their old house then I think most people would be up for it.
Have you heard of AeroBarrier[0]? It's an aerosolized silicon sealant that is sprayed throughout a home while a pressure door system is used to negatively pressurize a house. The silicon is sucked through all the tiny gaps and fills them. It's pretty crazy.
[0] https://aeroseal.com/aerobarrier/how-aerobarrier-works/