Here are some warning signs you might need a new furnace. It's reached �that age.� As furnaces age, they don't grow gray hair or go bald. But they do age. ... Your house is not warm. ... Rising energy bills. ... Weak air flow. ... Uneven heating. ... Improper cycling. ... More repairs. ... Poor air quality. More items... � Oct 4, 2023
How to Troubleshoot a Furnace: 7 Steps to Finding a Solution Inspect the Thermostat. ... Change the Furnace Filter. ... Confirm the Furnace Is Getting Power. ... Make Sure the Circuit Breaker Isn't Tripped. ... Check the Vents for Blockage. ... Make Sure the Front Panel Door Is Secure. ... Call a Professional. Oct 30, 2023