Upon arrival customer stated that heat was not working and out door unit was not coming on. After inspection of 17 years old r22 air handler and heat pump found that system was not coming on due to unit being low on r22 refrigerant and almost empty. Outdoor contractor is very burnt and pitted, condenser coils are very dirty. Outdoor disconnect is very rusted. Checked indoor air handler, drain pan is in bad shape and does not fit under entire system, return duct is very clogged and dirty, return plenum is very dirty. Evaporator coil is very rusted and rust is falling into the primary drain line which will cause system to flood with water back up. Blower wheel is very impacted and dirty, blower motor capacitor is bad, blower motor is pulling high amps and failing. Advised customer of issues with system, due to system being obsolete recommended speaking with our install supervisor about updating system, customer approved to speaking with install supervisor before making any repairs to sys