Top Central Air Conditioning Repair Services in Round Lake, IL

I only witnessed their driving. they were speeding at least 25mph over the speed limit. I was already speeding, and they were on my tail. Then they swerved over two solid lines to get past me to continue flying down the road. the road itself is full of hi...

Fast, efficient and reasonable. A company you can trust!

I have used Zartler Heating and Air Conditioning for many years. They show up when they say they will. They communicate right away with me about what is going on at the site. They perform the work and clean up after themselves. Their prices are very ...

I have used Zartler heating a few times and each time has been great!! Once when my thermostat went out they came the same day. I now ask them to come 2 times per year to make sure everything is running smooth and no more surprises. I highly recommend th...

Zartler Heating and A/C has been servicing my home for many years. They have a great knowledgable staff that is responsive to any issue or installation need in their industry. I have 3 furnaces and 2 A/C units. All of this equipment has been installed b...

I gave them 3 stars because I did not call them to do the small job I wanted done, because I think they are too far away.

Thanks RReliable for replacing my furnace....professional, prompt and very reasonable pricing.

Guys were very professional, each installer introduced his self to me, they did a great job and cleaned up then when the they finished they each guy thanked me. I was blown away.

Working with R-Reliable Heating and Cooling was nothing short of amazing. The crew was pleasant, quick, and their work was very neat. Best experience I’ve had!

My mom has her furnace serviced annually by R-Reliable and she is always pleased. That made me get mine installed by them as well. Great install guys! Thank you