Did you know the average HVAC system lasts about 15 to 20 years? However, sometimes, they start showing signs of inefficiency or damage well before the expected time. When your HVAC system begins to falter, it’s not just about discomfort; it could also mean higher utility bills and potential safety risks. Identifying when you need help from a General Contractor in Bingham Farms MI can prevent a complete system failure. Here are ten signs that it might be time to call a general contractor.