Your local HVAC assistance enterprise can install float switches. Check to ensure that the air conditioner condensate line is not plugged. You are able to do this by pouring drinking water into the air conditioner condensation pan. If it drains rapidly then the line ought to be alright. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://bit.ly/3zgoYWa