These notes are educational, not an engineering review or endorsement of any contractor. Verify material details in writing with a qualified professional.
How was the system size selected?
Ask whether a load calculation or other sizing rationale is available. Oversized or undersized systems can create comfort and efficiency concerns.
What exactly is being replaced?
Check which indoor and outdoor components, thermostat, drainage, line sets, and related parts are included.
What installation work is included?
Ask about disposal, electrical changes, ductwork, testing, commissioning, permits and inspections.
How do warranties work?
Request written explanations of equipment and labor warranty terms, registration, and exclusions.
What could change the price?
Ask what conditions could require a change order and whether the initial quote includes taxes and fees.
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