minus-squareswampdownloader@lemmy.dbzer0.comtohomeassistant@lemmy.world•Sensor for furnace air filter replacementlinkfedilinkEnglisharrow-up1·2 months agoNot automated but you can get a radon manometer to identify pressure differentials. Install on both sides of the filter. Identify where pressure is with a new filter, mark it, and see how it changes over time and determine when to replace it. linkfedilink
Not automated but you can get a radon manometer to identify pressure differentials. Install on both sides of the filter. Identify where pressure is with a new filter, mark it, and see how it changes over time and determine when to replace it.