HVAC reviews in Collinsville, Illinois

Sewer inspection completed and did an awesome and thorough job!

Very professional and on time. Great job as usual with Mars

Andy did a great job upgrading our plumbing in the basement!

Outstanding service, will definitely use again and recommend them to anyone who needs their services!

John and Andy have done an awesome job installing and maintaining our system!

Dustin did an excellent job. He cleaned up his mess after he was done.

Great service by Andy, who quickly diagnosed the problem and offered us a variety of repair options!

They provide very fast professional service for your water, sewer and heating needs. I highly recommend them.

Dustin was very helpful, courteous, knowledgeable, and professional. Very easy to work with.

These guys are excellent! Very knowledgeable, competitive pricing and honest company.

Installed tankless water heater, replaced my outside hose hydrant, fixed my water main. Very fast, very professional.

Very knowledgeable on septic systems and how they work. Explained how to maintain them and when to service them. Will call them first when time to have serviced.

Very professional and friendly. Lightning fast service when we really needed it. They have our business. Highly recommended!

Love working with Mars Plumbing! They helped a client of mine with a sewer line, and were professionals through and through.

You are the best!!! I've used youa few times and will always call on you....I even tell everyone how great you are!!! 👍 Caleb is very professional....thank you!

Caleb came to our house to help us find a problem leak in our and was able to find it and talk us through what our possible options are to fix the problem. Very professional and friendly service

They did a great job of diagnosing the problem with our "no hot water" and worked with the manufacturer to get us a replacement. Great service and expertise!!!

I’ve used them for gas lines, a new furnace, and a drain clog. Always do great work and staff is always friendly and considerate of my home. Thank you!

Mars Plumbing out of Vandalia IL. were great The service Tech Dustin Was awesome. He knew what was wrong fixed it in a very short time.

Came out same day I called and was able to fix my problem in a timely manner. Employee was very nice and educated in what he was doing.

We had several faucet items (leaks, drip, low pressure, etc.)throughout the house. Dalton arrived promptly and took care of all issues.Yay!!