Create a usable record of HVAC models, locations, controls and documents so future service starts with the right equipment information.
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Updated 2026-09-18 · CANRO Heating & Cooling
Create one equipment record for your home before you need an urgent repair. The aim is to identify the appliance involved and find its documents quickly, without searching through unrelated invoices or opening equipment to read a hidden label.
This record is especially useful in homes with several heating zones, a heat pump paired with a furnace or more than one water-heating appliance. Give each item a plain-language location name that everyone in the household understands.
Copy these fields into a document or notebook: equipment name; location; manufacturer; full model number; serial number; installation date if documented; normal controller; rooms or system served; manual location; service contact; last documented work.
For a split heat pump, record indoor and outdoor components separately and show which belong together. For multiple indoor units, use room names. “Upstairs bedroom head” is more useful during a phone call than three unlabelled serial-number photographs.
Use installation records and safely visible labels. If the label is behind a service cover, high above the floor or in a restricted area, ask the installer or technician to supply it. Do not remove covers or climb to complete the record.
Mark unknown details as unknown. If an invoice provides an installation date but a label only shows a manufacturing date, keep those as separate facts. Avoid presenting an estimated age as a documented installation date.
BC Hydro's heat pump retrofit guide includes equipment information and owner instructions in homeowner education. Your own record turns that handover information into something you can retrieve during future service.
Describe relationships in ordinary language: “Outdoor heat pump serves the main-floor air handler”; “boiler also heats the indirect hot-water tank”; or “basement thermostat controls a separate zone.” Ask the service provider to confirm a relationship you do not understand.
Do not create a technical wiring diagram from guesses. The note should help identify equipment and controls, not instruct someone to disconnect or modify them.
After a component is replaced, mark the old entry retired and add the new model and serial number. Keep the previous repair history associated with the retired item so it does not appear to describe the replacement.
Save a backup of the document and provide relevant details when booking service. Share equipment identifiers and the issue, not unrelated personal records, account passwords or payment information. Review the record after each substantial service visit; a short, accurate history is more useful than a large folder with no labels.
Technical 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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