EcoFlow Wave 3 review: a portable A/C and heater that’s better in every way

I've been testing the EcoFlow Wave 3, a follow-up to the all-in-one battery-powered air conditioner, heater, and fan I reviewed last summer. EcoFlow has dialed back its absurd marketing with a more powerful unit that can be recharged through several methods, including the sun. Only now it can automatically (try to) maintain a set temperature […]