Comments on: Trane Furnace Age: How to Read the Serial Number https://www.h2ouse.org/trane-furnace-age/ Home Fri, 28 Oct 2022 23:57:38 +0000 hourly 1 https://wordpress.org/?v=6.4.2 By: Deneen https://www.h2ouse.org/trane-furnace-age/#comment-177503 Fri, 28 Oct 2022 23:57:38 +0000 https://www.h2ouse.org/?p=7294#comment-177503 What if I can’t find the serial number. What should I do? I believe that this furnace is old, I’ve only been in my house for 7 years.

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