Top Tankless Water Heater Installation Services in St. Louis, MO

We were very satisfied with Mars. They did a great job, and was very friendly, knowledgeable and respectful. I would definitely recommend them

I had a leaking faucet and Mars promptly and professionally came and fixed it. I was extremely pleased with their work and the communication before and after the job.

Tom showed up on time, was friendly, and went about his business. I had a very simple need, but would not hesitate to hire him again for more needed work.

He did an excellent job.

Excellent work quality. Excellent to keep appointment. Excellent responsiveness in communication.

Outrageous bid and unprofessional. I can't speak to quality of his work because I wouldn't hire him. Wanted over $700 for a one day job. As I politely declined and said it was too much, never saw a contractor leave so fast. Told him I had a bid for $275 a...

Very honest and reasonably priced

My landlord called quality heating and cooling and they came to my house quickly and had the issue resolved in an hour, which was a huge relief because I have a small child and they had that AC up and running in no time flat

We needed a replacement heating and cooling unit in our sunroom. As usual Quality was prompt in getting in the necessary equipment and installing it. Malcolm did a great job and took time to explain both the warranties and how the unit works.

We had our semi-annual clean and check on our system and not only was the Technician extremely informative answering all of my questions, I felt at ease knowing our system still has a few more years left on it and we won't be needing to replace it this su...

Our air conditioning went outn and we called Quality and they came out the same day and determined the unit had to be replaced. Rich Sr. came the next morning and explained what we would need for our house. At same time we decided to include the furnace...