Start with the compressor claim
Ask, “Which test failed, what was the result, and what does the manufacturer say that result means?” Request the model number, test conditions, and written diagnosis. Have the technician explain whether this is a confirmed failure, a warning that needs another test, or a condition elsewhere that affected the reading.
A label such as “weak compressor” is not enough to compare a major repair with replacement. We would seek an independent qualified assessment if the proposed expense is large and the evidence remains unclear. Do not open the unit or try to repeat an electrical test yourself.
Treat the other findings on their own merits
For the pipe insulation, ask which section is affected, what damage is visible, and what correction the installation instructions require. For the pad, request photos and an explanation of whether settlement is affecting support, equipment position, connections, or drainage.
Ask who will correct the support problem and whether the equipment must be safely moved or disconnected for that work. Do not lift, tilt, or shim the outdoor unit yourself. The lines and electrical connection need protection during any correction.
The useful deliverable is a small list: finding, evidence, consequence, correction, and urgency. That makes it harder for a cosmetic concern and a major mechanical problem to blur together.
Then compare the two paths
If a substantial failure is confirmed, ask for complete repair and replacement proposals. Include labor, refrigerant work, necessary matched components, installation corrections, warranty terms, and expected downtime. Age belongs in that comparison alongside condition and repair history. Age alone should not settle it.
If the compressor is not confirmed failed, addressing the documented smaller defects and tracking operation may be the better path. Ask what result would change that recommendation.
Your next step is to request the compressor report and separate itemized findings. Decide once you can see why each proposed expense is needed and what the completed work will achieve.