Important!
If pop-ups are blocked for the website, please allow them in your browser and restart the course. Continue the course from the new tab, and do not close this tab until you have completed the course.
HVAC systems are more than just the air conditioner– the ductwork, the insulation, and the whole system has to work together to successfully regulate a house’s temperature. Can you spot the issues with this house’s HVAC setup?
