HVAC reviews in East Alton, Illinois

Janssen heating and cooling did an amazing job today!

No nonsense tech.
Was knowledgeable and honest.
I will be using him in the future.

Very prompt, professional and personable! Absolutely hiring for the next project!

Very helpful and informative, answered all questions and concerns that I had and was respectful while doing the work

This service installed new thermostats for my business in a prompt fashion. Very satisfied.

Steve work on my furnance and a/c he did a great job

Took care of my problem quickly and was a great price for the work he did

Great installation! Went above and beyond to make sure everything was right! Would recommend 100%

Thank you for putting in my furnace. It’s so nice to have heat again. Fast, friendly and affordable.

Fantastic Company! I’ve been working with Steve’s Company for quite a while and their amazing.

I highly recommend Janssen Heating & Cooling! Personable, fast, great work, and best prices around!!!!

Did an excellent job. He cleaned the area and was very professional and expedient. The systems works works was and i was very happy will the whole experience

I was having issues with my AC and called Jansen and they came out the same day and got it fixed. I am very satisfied with their service!

We had them replace our furnace, air conditioner, and they replaced all of the ductwork. They did a good job, did it quickly and cleaned up all the mess.

Steve, with Janssen Heating & cooling, does great work. He's very reputable, reliable, & honest.

The youngman did a great job on installing my new furnace..He could really get it done..He strong as an ox!!Fast and efficient affordable service..

Was here when I need him.Did great job . Put new water heater and did great job and cleaned up dry well. Gets A.

Steve has gone above and beyond to replace my insulation and water heater, very responsive and does high quality work.

Great work very professional I will call Steve Janssen again without a doubt for my heating and cooling needs everytime I need repairs or a check up

was able to come out and quickly identify was was wrong with my ac. got the part switched out, made sure everything was running to temp and functioning. friendly and knowledgeable

Steve was amazing I highly recommend their services! He came last min and was very professional, he fixed a problem no one else was able to quickly!!! 5 stars are not enough!!!