The EcoFlow Wave 3 portable AC and heater means I can now travel comfortably in any season. A few years ago, I built a campervan out of a Ford Transit Connect . My goal when designing it was tent replacement, not year round living. As such, I only included ways to keep the windows  at night, plus a small, USB powered fan. However, I'm a victim of my own success, as I've loved using it so much that I wanted adventures in hotter and colder weather and environments. The seemed like...

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