Average HVAC Technician Hourly Wage in Minnesota. HVAC Technicians earn a median hourly wage of $24.98. Hourly wages typically start from $16.05 and go up to $38.44. Average HVAC Technician Yearly Salary in Minnesota. HVAC Technicians earn a median salary of $51,960 per year. Salaries typically start from $33,380 and go up to $79,950.