Dispatched for thermostat, not working. After a thorough inspection, it was determined to be a control fuse. Replaced control fuse tested system for any other possible faults. Did not discover any other faults in the system. Thank you for allowing us in your house to provide the perfect home service and for being a member of the perfect family service club from your LBA Service tech Calvin. If I provided a positive or five star experience. I’d appreciate you sharing your thoughts in a review.