Don't forget that there are also low temperature DAC routes that can use waste heat (climeworks, global thermostat, antecy, skytree). If you get the heat for f

Don't forget that there are also low temperature DAC routes that can use waste heat (climeworks, global thermostat, antecy, skytree). If you get the heat for free you only need energy for your fans. This drastically reduces the price. There are some good papers that do proper cost analysis on DAC. 100$ or lower is within range in a decade. I'm not in front of my computer now but if your interested I'll send the papers