Product List

Boilers

Gas-Fired Steam Boilers

Products Energy Efficiency (AFUE)
GSB8-E Boiler   up to 82.7 
Standard efficiency, gas-fired steam boiler 

Gas-Fired Water Boilers

ESTAR ICON ENERGY STAR® Product Energy Efficiency (AFUE)
ESTAR ICON GCWB95 Boiler   up to 95 
High efficiency, modulating gas-fired condensing combination water boiler 
ESTAR ICON GWB9-IH Boiler   90 
High efficiency, gas-fired condensing water boiler 
GWB84-IE Boiler   up to 84.4 
Standard efficiency, gas-fired water boiler, with chimney or side wall venting 
GWB84-E Boiler   84 
Standard efficiency, gas-fired water boiler with chimney venting 

Oil-Fired Water Boilers

Products Energy Efficiency (AFUE)
OWB86 Boiler   86 
Standard efficiency, oil-fired water boiler 

Residential Team

Contact Us for details on our products or to schedule a no obligation, free, in-home estimate.

 

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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)