These notes are educational, not an engineering review or endorsement of any contractor. Verify material details in writing with a qualified professional.
A clear scope of work
The quote should identify the work the contractor proposes to complete, including the equipment installed and relevant installation tasks.
Equipment identification
Specific manufacturer and model details help you verify exactly what is being offered; vague equipment descriptions deserve clarification.
Labor and site conditions
Look for notes about removal of the old unit, duct adjustments, electrical work, condensate handling, and any assumptions about existing conditions.
Warranty and payment language
Understand what is covered by the manufacturer versus the installer. Ask for timelines, deposit terms and change-order conditions in writing.
Unanswered questions
The purpose of a comparison checklist is to produce questions, not to assume a contractor is acting improperly.
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