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1 year agoTwo options, if the house is “double brick” (IE brick wall that has an airspace between, them) drill a hole, and use plates to hide it again.
If its an old thick stone type building, then Google Chasing Brick Wall. The tools are not expensive, but it is messy and requires filling and repair. but its all you can do.
You can chase a double brick home if you want, but its a bit pointless.
https://www.ebay.com.au/itm/115749719205
https://www.ebay.com.au/sch/i.html?_from=R40&_trksid=p2332490.m570.l1313&_nkw=chasing+tool&_sacat=0
I live in Australia.
I pump all the heat out of my server room to the outdoors.
In doing this I am assisting cooling the planet by pumping my low temperature servers heat into the environment and reducing the overall global temperature increase.