> The case is well-ventilated, and my only complaint is the natural convection causes very-slightly-warmed air from the WeMos D1 and CO2 sensor to pass over the temperature and humidity sensor on the top, meaning those readings are always a bit higher than ambient—at least in my office.
Heh, this. I keep the thermostat between 78-80°F during the summer months (which allows the A/C to run enough to keep humidity down below 50%), and between 68-72°F in the winter.
Likely because of this.