What is the highest / lowest temperature I can set on my device? April 19, 2024 10:45 Updated Our units can be set to a maximum temperature of 35 degrees, and a minimum temperature of 5 degrees. Related articles Mill Wifi Convection Heater - English EU user manual My heater makes noise. What do I do? Server status How to activate Homey? Can the Mill Sense measure mold / moisture damage?