Service & Repair

24 / 7 Emergency Service

Our trained service technicians are available around the clock when you need immediate, on-site repairs for your residential or commercial heating, ventilation and air conditioning (HVAC) system. When your system breaks down, you can trust us to be available to assist you, 24 hours a day, 7 days a week.

Call (800) 252-4328

Service Maintenance Plans

It seems that heating and air conditioning systems have a way of breaking down on the coldest day of the winter or during a grueling summer heat wave. We offer service plans that provide routine maintenance and tune-ups that can help reduce heating and cooling system emergencies, extend equipment life, maximize energy efficiency and maintain a healthier indoor environment.

Service & Repair Team

Contact Us for prompt, reliable service on all brands of residential and commercial systems.


  • Deb Levingston
    Deb Levingston
    Service Dispatcher
  • Chad Ingram
    Chad Ingram
  • Chad Baker
    Chad Baker
  • Joe Worman
    Joe Worman
  • Tod Earleywine
    Tod Earleywine


  • 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)