From the performance of your HVAC system, you can easily notice if your heat exchanger is cracked or not. Here are the symptoms that’ll tell you if it’s time to call an HVAC professional or only a reboot would suffice –
How to Know If Your Heat Exchanger is Cracked or Not
1. If You See Cracks on Furnace Components
2. If You Notice Bad Smell
3. If You Notice Water on the Floor
4. If You Notice Symptoms On Health
See the whole article here – Do You Have A Cracked Heat Exchanger? What to Do?
By the way, are you looking for an HVAC system for your home?