Comment Comment by throw0101d CO2 as a refrigerant isn't new:* https://en.wikipedia.org/wiki/R-744It's just not as prevalent in the residential HVAC market (which this product serves?), and more in the commercial/industrial space (probably because of the higher pressures needed to get into a liquid state). parent throw0101d 1 month ago
* https://en.wikipedia.org/wiki/R-744
It's just not as prevalent in the residential HVAC market (which this product serves?), and more in the commercial/industrial space (probably because of the higher pressures needed to get into a liquid state).