Voiding Your Furnace Warranty Costs Thousands When the Five Thousand Dollar Rule Applies

https://precision247yearround.capitaljays.com/posts/deciding-between-hvac-repair-and-replacement-takes-more-than-age-alone

The $5,000 rule for furnaces is a manufacturer threshold that determines warranty coverage eligibility: repairs exceeding $5,000 may void your coverage if the system wasn't serviced by a licensed, authorized technician