3 ms·
The solution to that is to not use an air based heat pump but to drill down into the bedrock, well past the freezing depths and circulate water down the hole an
by yxhuvud 4y ago
The solution to that is to not use an air based heat pump but to drill down into the bedrock, well past the freezing depths and circulate water down the hole and take warmth from there. This is quite a bit heavier on the investment side but a lot more efficient during cold weather.