How HouseIt approaches heating & cooling problems
Separate operating faults from sizing and replacement decisions; do not diagnose refrigerant or electrical faults remotely. This cluster is organized by decision type—diagnosis, severity, sizing, repair-versus-replace or selection—so several long-tail questions can use one deeper engine rather than generating duplicate tools.
What information changes the result
Common decision inputs in this cluster include airflow, thermostat, filter, outdoor unit, system age, capacity, heat pump, furnace. HouseIt asks for these progressively and keeps unknown values explicit.
Where an online check stops
Do not instruct users to open electrical compartments or handle refrigerants.