Is $5,000 to replace heat exchanger a fair price?
Project Details
I had a technician perform a check-up on my furnace, which is 21 years old. He reported finding rust on the heat exchanger and suggested either replacing the heat exchanger or installing a new furnace. Based on other information I've seen, the rust might be normal wear, and the furnace could last longer. The technician also mentioned it was drawing just fine at 1.3 amps. The model of my existing furnace is 58STA090 and serial number is 2904A45906.
Quote Details
A technician found rust on the existing heat exchanger during a check-up and recommended replacement. The quote is for replacing the heat exchanger. - Work: Replace existing heat exchanger
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More Details
Category
HVAC
Price
$5,000
Quote Date
December 4, 2025
System type
Furnace
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