At Pass One Hour Heating & Air Conditioning in Herrin, Illinois, we understand that HVAC emergencies can strike at any time, day or night. That's why we offer 24-hour emergency service, seven days a week. Whether you're facing a furnace breakdown on a chilly winter night or an air conditioning malfunction during a scorching July weekend, our team is here to help. Just give us a call at (618) 427-1070, and our dedicated customer service representatives will promptly assist you. If your issue can't be resolved over the phone, rest assured that a skilled technician will be dispatched to your home immediately to restore your comfort.