Curious too (also in Thailand), currently using smartair and Ikea Starkwind for PM/VOCs. Looking to design something more integrated with CO2, house cooling, d

Curious too (also in Thailand), currently using smartair and Ikea Starkwind for PM/VOCs. Looking to design something more integrated with CO2, house cooling, de-humidifying aspects included (controlled by HA). Have you entertained heat exchange systems? Thoughts on the magnitude of impact to aircon?