Excellent experience. Mark is on time and very knowledgeable. From inquiry, to quote to install the process was smooth. Great to support local independent contractors that live and work in our local community.
Bobby Block
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December 18, 2024
Mark was very responsive. Did an amazing job. There was a minor issue after the fact and he remedied it within 30 minutes. I would 100% recommend Mark and plan to use his services in the future.
Tony
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November 14, 2024
Amazing! Easy to talk to. Prompt quick to finish.... Prices reasonable. Very happy
Josh Kneifel
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August 26, 2024
I have worked with Mark for years. He's services my personal home, in addition to rental properties. He's knowledgable, dependable and offers a great value. Most important, he is honest and will offer a solution that is required vs. up-selling fixes or replacements that are not necessary. Highly recommend Mark Olis HVAC!
Diane Savin
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February 19, 2024
In January, my heat pump froze up due to a leak. Since my HVAC system was almost 14 years old, I decided to have both the air handler and heat pump replaced. Mark quoted me a more reasonable price ($4000 less) than larger companies. I appreciated his expertise and professionalism before, during and after the installation process. I highly recommend Mark Olis for your HVAC needs.
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484 E Carmel Dr, Carmel, IN 46032, USA
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Excellent experience. Mark is on time and very knowledgeable. From inquiry, to quote to install the process was smooth. Great to support local independent contractors that live and work in our local community.
Mark was very responsive. Did an amazing job. There was a minor issue after the fact and he remedied it within 30 minutes. I would 100% recommend Mark and plan to use his services in the future.
Amazing! Easy to talk to. Prompt quick to finish.... Prices reasonable. Very happy
I have worked with Mark for years. He's services my personal home, in addition to rental properties. He's knowledgable, dependable and offers a great value. Most important, he is honest and will offer a solution that is required vs. up-selling fixes or replacements that are not necessary. Highly recommend Mark Olis HVAC!
In January, my heat pump froze up due to a leak. Since my HVAC system was almost 14 years old, I decided to have both the air handler and heat pump replaced. Mark quoted me a more reasonable price ($4000 less) than larger companies. I appreciated his expertise and professionalism before, during and after the installation process. I highly recommend Mark Olis for your HVAC needs.