Compare the complete job, not an isolated starting price.

Give every business the same information

Share the number of heating or air-distribution systems if known, the property type, access constraints and the reason for the enquiry. If a company prices by vents, ask what counts as a vent and how returns are treated. Do not guess at quantities you cannot safely confirm.

Explain whether the request follows renovation or concerns an observed condition. Ask whether the business needs an assessment before giving a firm scope. This site does not invent local prices or estimate the cost of unseen conditions.

Use a side-by-side checklist

• Number of systems and included supply and return components.
• Furnace-related components included or excluded.
• Access work, protection and cleanup responsibilities.
• Any separate dryer-vent or other optional service.
• Minimum charges, travel, taxes and additional-system charges.
• Conditions that could change the price and approval process.
• Completion documentation and stated follow-up terms.

Ask for missing items in writing. A low advertised entry price is not comparable to an itemized total if their scopes differ.

Confirm the business behind the proposal

Check who will perform the work, relevant experience and insurance, payment terms and how concerns are handled. Do not treat a logo or a cleaning-method name as a substitute for a clear agreement.

The scope guide explains the questions behind the checklist. Prepare a consistent first message with the system planner; confirm availability and charges directly with the chosen business.