How to compare an HVAC replacement quote
An HVAC total is hard to compare until the proposal names the equipment and the installation work that turns that equipment into a system.
What the official record says
ENERGY STAR advises buyers to expect a home evaluation and says bigger equipment is not always better. Its contractor guide says a contractor should size the system from the home’s characteristics and inspect ducts, while its quality-installation page calls for duct evaluation and installation checks. ENERGY STAR also recommends written, itemized estimates that identify efficiency and warranty terms. Those are questions for the contractor; a document review cannot perform the evaluation or verify the installation.
What to check on the document
Compare proposals only after the equipment and scope columns match. A lower total may omit duct repair, electrical changes, disposal, permits, or commissioning.
- Record every model number, capacity, rated efficiency, thermostat, accessory, and rebate assumption.
- Identify who is responsible for sizing, ducts, electrical work, permits, startup measurements, and disposal.
- Compare labor and manufacturer warranties, exclusions, payment milestones, and change-order terms.
How to use the result
Send missing-scope questions to each contractor in the same format. Keep the answers with the proposal so a later comparison does not rely on a sales call. The decode can benchmark public equipment prices and name missing fields. It cannot certify sizing, inspect ducts, or state that an installation will meet code.
A useful comparison holds scope constant. Equipment model, quantity, removal, disposal, permits, labor, finish work, warranty, and payment schedule can move the total even when two proposals describe the same trade. We read the document and name missing comparison fields. We do not inspect the property, size equipment, or decide whether a contractor is honest.
Operated by Reality Contact, LLC. A benchmark, not a verdict. Not legal advice. Not engineering or contracting advice. You ask the questions and you sign or do not sign; we do not contact contractors for you.