HVAC Maintenance Guides
Why Heat Exchangers Fail 89% More in 2025
In 2025, heat exchanger failures in furnaces have increased by 89%, largely due to thinner manufacturing materials, neglected maintenance routines, restricted airflow, corrosive elements, and outdated equipment. Such failures often result in cracks that release carbon monoxide, creating hazardous conditions for households. This guide explains the vulnerabilities of contemporary furnaces, identifies key warning indicators, and provides essential maintenance practices to ensure safety and longevity.
Brent Barrett
6 min read