2025 5t hp. System running upon arrival. Checked Hunters last braze and it was good. Refrigerant levels were acceptable. Homeowner had two 1" filters at the returns inside home and a 5" filter at the air handler - fixed and educated (although homeowner was not convinced ) Tstat malfunction - installed customer supplied nest tstat and system came on and is cooling. Homeowner bypassed all app and Internet Nest connections upon request when installing. System cooling upon departure. Not our install.