Why Choose Pass?

What does "Always On Time...Or You Don't Pay a Dime!" mean for you? When you've got a heating or cooling need, the last thing you want to do is wait around for hour upon hour for a service. Your time is valuable, and we'll respect it!


When we’re working on your furnace, air conditioner, or heat pump, at Pass One Hour our mission is simple: Your time is our number one priority. Although we're based in Herrin, IL, we proudly serve the surrounding communities including Mount Vernon, Caterville, Carbondale, Sesser, Benton, Marion and West Frankfort, IL!

24-Hour Emergency Service

Your emergencies don't take nights or weekends off - so why should we? Emergencies don't always wait for regular business hours. That's why Pass One Hour offers 24-Hour Emergency Service, seven days a week.

Always On Time...Or You Don't Pay A Dime!

Based in Herrin, IL | Serving Surrounding Areas Including Mount Vernon, Carbondale, IL

At Pass One Hour Heating & Air Conditioning, we provide quality HVAC services to Herrin, IL, and surroundings. We make sure that each job, big or small, is handled with care and professionalism. Our knowledgeable experts will be able to fix, install, or maintain your system without any hassle to you! From beginning to end, we ensure your home or office is taken care of!

Air Conditioning, Air Quality, Furnace Repair

Herrin, Mount Vernon, Carbondale, Sesser, Benton, IL & Surrounding Areas

Although we offer a handful of services at Pass One Hour Heating & Air Conditioning, many of our customers in the Herrin, IL, area come to us for all of their air conditioning, heating, air quality, and furnace needs. When it comes to keeping your family feeling comfortable in your home, we know how to make sure that your cooling system is delivering at its optimal potential. All AC units are different and need special attention based on the size and brand, so let our experts handle it for you!

Don't forget, the quality of your air is what really matters. This can affect the health of everyone living in the home. If your indoor air quality is poor, it could cause long term health problems or aggravate existing ones. Mold, bacteria, and fungi are not always apparent, so if you haven't had your air ducts cleaned in a while, it might be time to give us a call!

When the cold months arrive, your furnace has a big job to do! From the safety of your home to how much you spend on your energy bill this winter, your heating system plays a huge role. We can help your home prepare for the cold by making sure your furnace is ready to take on the job of keeping the family warm and cozy. If you happen to have a furnace breakdown, don't hesitate to give us a call right away!

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