Reviewed September 24, 2026
Describe the change
Write down when the issue began, the rooms affected and any visible error code. Share the model from an accessible label. You do not need to diagnose or open the equipment.
Make the visit easier to plan
Mention parking, stairs, locked rooms and building-manager approval. Tell the provider whether you own or rent and who can authorize the work.
Agree on the first step
Ask about the visit or diagnosis fee, the earliest confirmed appointment and who approves extra work. A request through this site is not an emergency dispatch or a booked appointment.
Your planning checklist
Heating and cooling with a heat pump — Natural Resources Canada