Reviews for Mars Plumbing, Heating, Cooling, Sewer, & Septic

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  • June 2025

    I recently had to replace my septic system and went with Mars after getting a few bids. Mars wasn’t the lowest, and they weren’t the highest, but I felt the most comfortable with them because John’s experience was clear and stood out when working with him.

    Of all the professionals I talked to, John was the only one to offer a design that reused part of my current system. He also answered all of my questions and concerns with patience.

  • March 2025

    My partner and I contacted Mars for a suspected water leak and were able to secure a same day appointment (other places had up to a week long wait.) Communication was top notch throughout the entire process, including both the office and Seth himself reaching out to let us know he was on the way. He explained everything thoroughly and took the time to elaborate on all of the options for our situation. On top of that, the bill was infinitely less than either of us expected. We can’t recommend Mars P&H enough!!

  • August 2024

    I recently had the pleasure of working with Mars Heating & Plumbing, and I couldn’t be more impressed. From the initial consultation to the final installation, their team demonstrated exceptional professionalism and expertise. The technicians arrived on time and were incredibly knowledgeable. They took the time to explain the problem and offered clear, straightforward solutions. The quality of their work was top-notch, and they left the work area spotless. Moreover, their customer service was outstanding. The staff was friendly, responsive, and genuinely cared about addressing my concerns. The pricing was transparent with no hidden fees, and the work was completed... read full review

  • Mars Plumbing, Heating, Cooling, Sewer, & Septic

    607 Vandalia St #200, Collinsville

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