About

Our Team

Our motto is "Do it once… Do it right." Meet the team of experts and highly trained HVAC professionals that want to keep you as comfortable as possible as easily as possible.

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Billing Info

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The friendly and helpful staff in our billing department are here to assist you with any questions you have about your bill or payment options available.

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Sales

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Our sales team can provide you with product details and customize solutions for your residential or commercial heating, air conditioning or indoor air quality needs. Contact them to schedule a no obligation, free estimate today!

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History

Merz is recognized as one of the largest, most modern residential and commercial heating, ventilation and air conditioning (HVAC) companies in the state of Illinois. Find out how it all happened.

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Testimonials

Thanks

We believe nothing speaks louder than the words of satisfied customers. Don't take our word for it. See what our customers have to say about us.

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Employment

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Want to join our team? If you think you may be qualified for a position here, we would love to hear from you.

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Testimonials

  • We appreciated the fast and friendly service that your company provided, the guys were very friendly and patiently answered any questions we had, they also did a great job cleaning up.  My husband and I will be calling your company from now on and will recommend your company highly.  Thank You  

    Chuck & Jean - Watson, IL.

  • "I want to compliment you for your staff at Merz. The young lady who answered the phone after 8PM could tell I was a desperate housewife –NO AIR CONDITIONING. The young man who made the service call certainly deserves a pat on the back. He was so courteous and efficient. Thank you!"

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    – Carolyn (Effingham)

  • "Thank you for the prompt service I received on my furnace. It was very frustrating to hear it wasn’t working and me down in Florida. Again, Thank You."

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    – Juanita (Effingham)

  • "Thank you for the work done. The two gentlemen that came to do the work were pleasant & nice to deal with when each were here to do their part of the job required."

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    – Raymond (Effingham)

  • "Thanks again for all of your help. We really appreciate the professionalism of your guys and how nice they were while they were out here working."

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    – Jason (Charleston)

  • "Just wanted to thank you and the crew that installed my new AC & furnace, their expertise and skills are much appreciated! The personal touch in keeping my house clean was nice also."

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    – Karen (Robinson)

  • "Thanks so much for your prompt and courteous service. I really appreciated you getting my system in and operational in one day. I am Cool! Also enjoyed the service guys, very helpful. With sincere appreciation- "

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    – Cheryl (Vandalia)

  • "Thank You Merz Heating & Air Conditioning for an awesome job installing our new furnace! Great installation & customer service! If you have heating & air needs give Daryl Smith a call, he's the man!!"

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    – Jenna (Effingham)