4212 Virgina Ave
Saint Louis, Missouri 63111

Mon - Fri: 8:00AM - 5:00PM

Sat - Sun: By appointment only

100.0% would refer friends and family to us

5 stars Verified customer

My renters were without heat on a very cold day. I called the emergency hot line aroubnd 6:30 am. My call was answere ... Read More

5 stars Customer since 2014

Great Company exceeds expectations.

3 stars Verified customer

The gentleman that came to my house bwas very rude. He did not introduce himself. I showed him where to go and he told m ... Read More

4 stars Customer since 2014

This was our first experience with Mertz Heating & Cooling. All went well and will continue to call them if needed in t ... Read More

4 stars Customer since 2014

Thank you for your prompt service

5 stars Customer since 2014

Everything was fast and easy....that hottest Saturday of the year and they were at my home in a flash!!!!

Thanks Country ... Read More

5 stars Customer since 2013

Nick was WONDERFUL! He was very professional and very knowledgeable. Linda was also very helpful in getting a tech to ... Read More

5 stars Customer since 2014

Fast, friendly service, good pricing!

A very good group of people work for this company and have gone over & above my ex ... Read More

5 stars Customer since 2011

I would recommend Mertz Heating and cooling to everyone. I not only use Mertz in my home but also for my business. The ... Read More

5 stars Customer since 2010

Prompt, reasonable, and dependable.