What matters most
A professional second opinion should explain both paths: what the repair solves, what it does not solve, the expected risk of additional failures and what a properly sized replacement would change. Avoid replacing equipment only because of one symptom without a complete diagnosis.
Important: This information is general and does not replace an on-site system inspection.
The next step
Document what the system is doing, take photos of the thermostat and equipment, and contact AMB for a clear evaluation.
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