4 points | by thelastgallon 8 hours ago
1 comments
CO2 as a refrigerant isn't new:
* 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).
CO2 as a refrigerant isn't new:
* 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).