What is the heat exchanger technology used in the GM9S80?

The GM9S80 uses a distinctive, heavy-duty heat exchanger constructed from tubular aluminized-steel with wrinkle-bend technology. This design maintains wall strength and aids in efficient heat transfer while providing outstanding durability and long-term reliability.

From the official Goodman GM9S80 Gas Furnace manual, page 4

Have a follow-up question?

Answers from the official manual.

Common questions