HVAC Services Minneapolis MN | Call Air Mechanical Contractors

First, turn the system off to prevent damage. A common local cause is low refrigerant or airflow issues. Our technicians will safely thaw the unit, perform a leak check, and clear any blockages in coils or filters to restore proper operation and prevent recurrence.

We perform a thorough visual inspection and combustion analysis. A crack can leak carbon monoxide, so it's a serious safety issue. If found, we typically recommend immediate replacement of the heat exchanger or furnace to ensure your Minneapolis home stays safe and warm.

Our climate puts stress on systems year-round. Seasonal maintenance helps prevent common failures like frozen coils or cracked exchangers by ensuring proper airflow, refrigerant levels, and combustion safety. This proactive care improves efficiency, extends system life, and avoids costly emergency repairs.