I'm trying to calculate overall R (insulation/energy efficiency) value of a house.
I'm hoping to find an app or webpage calculator that can do this.
If anyone can steer me in the right direction, I'd greatly appreciate it.
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I'm trying to calculate overall R (insulation/energy efficiency) value of a house.
I'm hoping to find an app or webpage calculator that can do this.
If anyone can steer me in the right direction, I'd greatly appreciate it.