Jaenke Heating & Air Conditioning
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Jaenke Heating & Air Conditioning
Since 1969, Jaenke Heating & Air Conditioning has been trusted to provided heating and air conditioning services in Waterloo, IL and the surrounding areas. Our team is dedicated to helping homes and businesses across Randolph, Monroe, & St. Clair Counties find the HVAC solutions they need and deserve.

We carry quality HVAC products from Aprilaire, Bryant, and GeoComfort. In addition, we are an accredited business through the Better Business Bureau, and work hard to provide affordable services for homes and businesses. If you need a new install, maintenance or have an emergency situation for your air conditioner or furnace we are here to help.

We service and repair all types of heating and cooling systems. Founded in 1969, Jaenke Heating & Air Conditioning is family owned and operated in Waterloo, IL. Since our beginning, we have been a trusted source to deliver quality service and reliability. We specialize in central air conditioning and heating systems, and we perform repairs, seasonal maintenance and system installations.
Services
Jaenke Heating & Air Conditioning was founded in 1969 and is a family owned and operated HVAC business. During the hot summer months, an air conditioner can provide relief from the heat outside. An air conditioner makes sleeping at night more comfortable. If your AC system needs to be replaced or you are looking to upgrade your system, call Jaenke Heating & Air Conditioning.
For almost 50 years, Jaenke Heating & Air Conditioning has been Waterloo, IL's local family owned-and-operated air conditioning and heating contractor. We specialize in central air conditioning and heating systems, and we perform repairs, seasonal maintenance and system installations. Our employees are hard-working and expect the best from themselves and their level of service.
The Jaenke Heating and Air Conditioning Company can help you with your house or your business needs heating or cooling the most. We provide all the following services below as well as many others, if you have questions about our services/repairs please call Flo at 618-939-8029. Our team is determined to help you find the heating and cooling services you need.
Reviews (7)
Mary Brellinger
Mary Brellinger
Sep 25, 2021
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Positive: Professionalism, Punctuality, Responsiveness
Showed up promptly at appointment time, diagnosed and got the air-conditioning unit up and running, and their charge for service was very reasonable. Very pleased all around!
Service: Repair AC
Evan Pederson Renaistre
Evan Pederson Renaistre
Jul 03, 2021
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Prompt, helpful, friendly. Identified my issue quickly, and (thankfully because it was a simple fix) got things working again within an hour.
Kristopher Stephens
Kristopher Stephens
May 30, 2021
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Dealt with them multiple times. Phenomenal service and customer service. Highly recommend
Sheila Brown
Sheila Brown
Nov 14, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Very friendly and reliable. Best in business!
Services: HVAC maintenance, AC maintenance, Repair heating system, Repair AC
Stephanie Arendell
Stephanie Arendell
Jun 28, 2020
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Jaenke is the best! Flo is amazing! They are extremely prompt, professional, and the guys do an amazing and thorough job every time. I can’t rave about them enough. I am moving soon, and won’t even think about using anyone else but Jaenke. They are down to earth, honest, and don’t try to gouge you. I highly recommend them with no reservations whatsoever.
Lori Schimpf
Lori Schimpf
Oct 08, 2018
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We have always had a very positive experience with Jaenke. Timely response and professional customer service. They are my "go to" heating and cooling company!
Bob T.
Bob T.
Jan 10, 2017
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I used there emergency service on a very cold Sunday morning after a broken furnace. They were prompt (called back within 10 minutes and showed up within the hour), courteous, and were able to provide a temporary fix on Sunday.

They followed up first thing Monday morning (8:30 am) and completed the work thus restoring heat to our home.

I could not have been more happy with their service especially considering Sunday morning service.