Illya came out to check my furnace but first wanted him to check out a loud whistling noise. While he was looking at everything discovered that the air ducting was not correct and air was escaping maybe causing the noise. He called his company and have someone coming out next week to look at what it would take to make it right. Illya was very knowledgeable and continued to check out my furnace which checked out fine. Was happy to learn more about my problem and to get it fixed in the near future.
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