At a glance Expert’s RatingProsHigh-efficiency coolingVery quietMatter certifiedUses environmentally friendly coolantConsYou’ll need to take it out of your window every winterYou’ll need to drill holes in your window frame to secure itIn-app adsOur Verdict Yeah, running an air conditioner contributes to global warming, thereby increasing the need for air conditioning. On the bright side, this TCL unit is highly efficient, it uses an environmentally friendly coolant, and its Matter certification means it can be integrated into just about any smart home ecosystem, so you can program it to run on…