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What is the best insulation for a small energy neutral home project?
Dan Gull
Nov. 11, 2019Updated: Aug. 26, 2020
At the moment I'm designing a small house that I hope to be able to be able to live in all year round, with zero bills so I'm using wind, hydro and solar for electricity and rain/lake water for water. I want the house to be as well insulated as possible so I have to generate less electricity, so I'm wondering what sort of insulation to use and what thickness (it doesnt get too cold where I am, almost never below 0F). Theres so much different advice out there for this... I'd also be very interested in any other cheaper/eco friendly material ideas I could use because I want to build this mostly diy on a small budget.
Thanks!
A bottom temperature of 0°F (or about -18°C) is hardly balmy, and it is important to build homes for their specific climate. We can help you choose the right insulation for your needs as well as determine the right amount of insulation for energy efficiency. Finding the best insulation really depends on individual circumstances, learn more here -
What is the best insulation for a home?
And we’re always happy to discuss eco friendly building materials, but first let’s start with the right amount of insulation. Can you tell us what climate zone you are building in, or simply what area please?
I'd be building in the UK, so Im guessing it would count as 'mixed-humid.' I really mean 'almost never,' even in midwinter it
only really freezes at night and we rarely get much snow. (sorry anout the split).
Thanks!
A properly buit wall should be able to avoid moisture damage, but given that you are in a particularly humid climate you may want to lean towards something like Rockwool insulation (aka Mineral Wool) or perhaps even hemp insulation, both are particularly good at handling higher levels of humidity. though I couldn't speak to the availability in the UK unfortunately.