If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Pass One Hour Heating & Air Conditioning has served Southern Illinois for over 54 years. We’re a family-owned, veteran-owned company focused on doing the job right, without cutting corners.
What sets us apart is accountability. Our work is backed by a 100% satisfaction guarantee — if you’re not satisfied, you don’t pay. We also believe in straightforward pricing, so you know the cost before work begins.
We show up on time, communicate clearly, and stand behind our work. That’s how we’ve earned trust in this community for more than five decades.
Overview
Serves Herrin, IL
Background checked
24 employees
55 years in business
Business hours
Sun7:00 am - 7:00 pmMon7:00 am - 7:00 pm
Payment methods
This pro accepts payments via Cash, Check, and Credit card.
Customers rated this pro highly for value, professionalism, and work quality.
Exceptional 5.0
101 reviews
5
99%
4
1%
3
0%
2
0%
1
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Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Hannah R.
Apr 17, 2026
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From Google
Theo was great. Explained everything that needed to be done to our system and went over everything he did when done. Great experience with Pass One Hour Heating and Air Conditioning
Todd V.
Mar 12, 2026
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From Google
Had Anthony here at my mother in laws and he went through the system and gave it a good cleaning and got it up and running. That was the first service it had since New. Anthony checked everything out and gave it a good washing too. The tech was wonderful and very knowledgeable would highly recommend. And he shows up promptly.
Pass One Hour Heating & Air Conditioning's reply
Thank you for the wonderful review! We’re so glad to hear Anthony was able to give the system a thorough cleaning and get everything up and running again. It’s great to know he took the time to check everything over and make sure it was working properly. We appreciate your kind words about his knowledge and prompt service. Thank you for recommending Pass One Hour—we’re always here if you need us! ⭐
Michelle
Mar 8, 2026
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From Google
Anthony was great and was a pleasure to be around. He has a great disposition and even helped me fix a door I was working on! He identified an issue with our unit that was costing us a ton of money each month and fixed it. Apparently, our heat pump had never been programmed to work which was installed by another company.
Pass One Hour Heating & Air Conditioning's reply
Thank you for the wonderful feedback! We’re so glad to hear that Anthony was able to provide such great service. It’s always our goal to go above and beyond, and it sounds like he did just that—helping with your system and even lending a hand with your door! We’re also happy he was able to identify and correct the heat pump programming issue so your system can run more efficiently. We truly appreciate you choosing Pass One Hour!
Nick O.
Feb 4, 2026
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From Google
Pass One Hour were all very courteous and knowledgeable. Helped in deciding what options I had, and was able to make a decision without being pushed or misled.Thank you to all who came to my house, for helping this to be a happy transition. And thanks to the rest of you at PAs One Hour as well.Appreciate you allThank you
Pass One Hour Heating & Air Conditioning's reply
Thank you so much for your kind words and thoughtful review! We’re so glad to hear that our team was courteous, knowledgeable, and able to walk you through your options without any pressure. That’s exactly the experience we strive to provide every customer.
We truly appreciate you trusting Pass One Hour with your home, and we’re happy to know the transition was a positive one. We’ll be sure to share your appreciation with everyone involved — from the technicians in your home to the team behind the scenes.
Thank you again for choosing us and for taking the time to share your experience 😊
Gregory B.
Feb 2, 2026
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From Google
This furnace was under warranty. I only had to pay service call! The technician I believe his name was Noah was very professional and kind. He had to walk through a long driveway of snow that had not been plowed Last Monday. He had to make several trips back-and-forth to his truck to the end of the driveway. He explained the problem to where I understood what he was talking about and he got the job done. This was all done after 6 PM on a very cold night 5 stars to this technician
Pass One Hour Heating & Air Conditioning's reply
Thank you so much for taking the time to leave this amazing review! We’re so glad to hear everything worked out under warranty and that you only had the service call to cover.
Noah will truly appreciate your kind words—he takes a lot of pride in his work, and braving an unplowed driveway after 6 PM on a cold night is just another example of his dedication. We’re especially happy to hear he explained everything clearly and got the job done right.
We really appreciate your support and the 5 stars ⭐⭐⭐⭐⭐—don’t hesitate to reach out if you ever need us again!
Credentials
Background Check
Spencer Pass
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
We believe in straightforward, upfront pricing. Before any work starts, you’ll know exactly what it costs and what you’re getting—no surprises when the job’s done. We price by the job, not by the hour, so you’re paying for the solution, not the clock on the wall.
There are no hidden fees. If something changes along the way, we stop and talk it through before moving forward. Period.
We do offer seasonal promotions and discounts from time to time, and our maintenance club members receive added benefits like priority scheduling and savings on repairs. Financing options may also be available to help make larger repairs or replacements more manageable.
What is your typical process for working with a new customer?
You call, we listen. We show up on time, check the system thoroughly, and explain what’s going on in plain language. You get clear options and upfront pricing before any work starts. Once approved, we fix it right, clean up, and make sure you’re comfortable before we leave. If you need us later, we’re just a phone call away.
What education and/or training do you have that relates to your work?
We take training seriously. Our team trains in-house three days a week to stay sharp and consistent, not just to “check a box.” We’re also factory-certified with major equipment manufacturers like Bryant, Carrier, and Daikin, so our techs know the systems they’re working on inside and out.
Many of our technicians started with local trade school, but we don’t stop there. We invest in ongoing education, including advanced hands-on training at Ultimate Technical Academy (UTA) in Arkansas. Bottom line: we don’t guess, we train, practice, and keep improving so your home is in good hands.