Hello my name is Robert I am disabled with underlying health conditions. Cardiovascular and Respiratory conditions, Some physical limitations, I fell off a roof in 1995 shattered my heel and injured my back Some mental challenges. My central heating and air system went out 51 days ago. I feel like I have tried everything. I'm searching for help and recourses to help repair or replace the heating and air system. Thank You for taking the time to read my story.
I think you should contact social services in your county to see if there are any programs that would help disabled and elderly stay "in the community" (in their homes).
You can contact large churches, too. But honestly no one is just handing out money -- especially to replace an entire HVAC system. The time has come to assess whether you can really afford to stay in your house. The cost of everything has gone way up, and lots of us are feeling more than a pinch.
Have you looked into the option of selling the home and downsizing to a maintenance free apartment or condo?
I'm sorry for your situation and wish you good luck and Godspeed with getting funds for your HVAC system. Maybe try a Go Fund Me appeal.