Think You Know HVAC Troubleshooting? Prove It.

HVAC systems are everywhere—but how well do you really understand what keeps them running? From mystery odors to frozen coils and nonstop blower fans, this quiz dives into the real-world issues every homeowner or technician should recognize. Don’t expect common-sense answers—these scenarios test what you actually know about heat pumps, airflow, refrigerant pressure, and sensor failures. Whether you're a seasoned pro or just tired of calling the repair guy, this challenge will separate the savvy from the guessing. Ready to troubleshoot like a tech? Scroll down and let’s see if you can spot the real fix.