The answer to 'ductwork blowing hot air' is that there are several common causes, including a blocked or damaged ductwork system, a malfunctioning HVAC unit, or issues with the thermostat. Symptoms may include uneven heating, higher energy bills, and poor air circulation throughout the home.
Some potential solutions include checking for blockages or leaks in the ductwork, ensuring the HVAC unit is properly maintained and functioning, and verifying the thermostat is set correctly. While some minor ductwork repairs may be DIY-friendly, it's generally best to call a professional HVAC technician to diagnose and resolve more complex issues to ensure the problem is fixed safely and effectively.