Johnathan is an excellent tech. He again spent a good of time trouble shooting the issue, but still could not pinpoint the problem. We also had A-Plus clean all the vents in the house. Now the noise is much less frequent and lasts a much shorter time. We will continue to monitor. Thanks, Norm Roy
Response from A+ Heating & Cooling- Electrical:
Hi Norman thank you for sharing your recent HVAC service with us, we are glad to hear you received Excellent service