Request complete HVAC equipment and control model numbers so you can compare performance, substitutions and installation scope accurately.
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Updated 2026-09-18 · CANRO Heating & Cooling
Quick answer: A brand name and a capacity label do not identify the HVAC system you are buying. Before accepting a final equipment proposal, request the full model numbers of the major components and the controller. Keep those identifiers in the accepted quote so a later substitution is visible.
This matters even when two proposals use the same manufacturer. Different product families, indoor units and controls can produce different system combinations. A brochure photograph is not an equipment schedule.
For a ducted heat pump, ask the contractor to identify the outdoor unit, indoor coil or air handler, any retained furnace and the controller. For a ductless proposal, list each indoor unit by room and model, together with the outdoor unit and controls.
For a furnace, boiler, water heater or fireplace project, record the appliance model and any separately priced accessories that affect the proposed operation. Ask which existing components will remain. “Reuse existing” needs an identifiable item and an explanation of its suitability for the proposed work.
You do not need to independently engineer the system. The purpose is to make the contractor's proposed selection traceable and to know what is included in the purchase.
Ask whether the equipment is available, ordered or only an allowance at this stage. If the model changes, request the substitute's full details and an explanation of differences in performance, dimensions, controls, warranty and project price. A verbal statement that it is “equivalent” leaves too much unspecified.
Agree that substitutions will be documented before installation. This is particularly useful when indoor units must fit a tight space or when an application relies on a particular equipment combination. Do not assume a similar model name preserves program eligibility.
Keep the accepted schedule available when the installation is completed. Compare the recorded model identifiers with the equipment labels that are safely visible, or ask the installer to provide label photographs. Do not open cabinets or climb to reach a label.
Ask the installer to explain differences before treating the project as fully documented. A serial number identifies a particular manufactured unit; it does not replace the model number used to describe its specification. Retain both in your records after installation.
Ask: “Please list the exact equipment and controller models, what existing equipment remains, and how any substitution will be approved.” That request is more actionable than asking for a more detailed quote generally. Use the revised schedule when comparing proposals, then keep it with the invoice and manuals for future service.
Tell CANRO about your equipment, your Greater Vancouver location and the question you need answered.
📞 (604) 359-1081Contact CANROTechnical references checked 2026-09-18. The planning examples are illustrative; equipment instructions and project requirements must be checked for your home.
For help with a residential HVAC project in Greater Vancouver, contact CANRO with your equipment details and the question you need answered.
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