If your HVAC settings appear to be correct, why in the world is your air conditioner blowing hot air? The most basic function of an A/C is to deliver cool comfort, so if you’re feeling a warm blast from the vents instead, something’s definitely amiss. It may be a simple matter you can resolve yourself or it may require diagnosis by a qualified technician. Here are some scenarios that might be at fault if your HVAC settings are blowing hot air instead of cool.
Fall can be a fickle season to leave home when the usual cold front is quickly followed by a warm-up that lasts for several days or longer. Picking the best thermostat settings to accommodate a wide swing in outdoor temperatures can be confusing.