Arizona Heat Threatens Disabled Family's Life

My son an I are disabled and we are homeless we need some help to get back on our feet we have been homeless a year now are health can’t take it anymore we are going to die out here in the Arizona heat. My son has liver disease and a tbi from an accident. I have MS had 2 heart attacks already have copd. Please if u can find in ur heart to help us anything helps and is appreciated thank u in advance. God bless. We also both have a service dog.