How do I tell if a catalytic converter is plugged up? I have noticed a funny rapid noise that is hard to describe. It sort of sounds like a ticking / chugging noise, but only when a load is applied. I ...
Check thermostat settings, filters, and fuel supply first when your furnace blows cold air. Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks. Skipping routine ...
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