One of our Homewatch clients has been abroad for several months, and during a recent inspection I noticed their furnace wasn’t working. The homeowners asked if I could coordinate a visit with their HVAC company—happy to help. The technician arrived, repaired a faulty igniter, and restarted the furnace… only to immediately shut it back off. Then came the dreaded “Can you come take a look at this?” moment—similar to when your mechanic calls you under the car lift. Never a good