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Diedrick's Heating & Air Conditioning
Diedrick's Heating & Air Conditioning Inc. is a family owned business that was established in 1997 by Brian Diedrick. Located in Seymour, WI we service the following surrounding communities; Black Creek, Oneida, Hobart, Howard, Ashwaubenon and Green Bay, WI. Diedrick's is an independent Lennox Dealer, offering the best selling Lennox brand Furnaces and Air Conditioners for both residential and light commercial establishments.

We take pride in our work and are committed to providing you the best customer service. We are dedicated to making your experience with us an enjoyable one and to bring you total comfort and satisfaction. Air conditioning not working or not as cold as it used to be? Diedricks Heating and Air Conditioning in Seymour, WI services all makes and models of Air Conditioning systems.
Services
Air conditioning not working or not as cold as it used to be? Diedricks Heating and Air Conditioning in Seymour, WI services all makes and models of Air Conditioning systems. Unfortunately, many ac problems tend to start small and go unnoticed until they turn into major problems. For this reason, it is important to pay close attention to your air conditioner and schedule a repair service as soon as you notice anything out of the ordinary.
Reviews (4)
David Vande Vyver
David Vande Vyver
May 01, 2021
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Great place to get your furnace or air conditioner serviced or replaced with knowledgeable employees who do a nice job
Annie Probst
Annie Probst
Jan 07, 2021
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Pat was on time, and explained everything he was doing. Very happy with his service an would recommend you to everyone. Thank you. Happy New Year.
Jean Kasel
Jean Kasel
Oct 12, 2020
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Positive: Quality, Value
Diedrick’s had a very fair price and did excellent job installing my new air conditioner. My serviceman Blake was wonderful to work with, and did an amazing job and cleaned up everything after, very neat and tidy. He was super respectful.
J.
J.
Jun 24, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Super professional. Very knowledgeable. Great customer service. Each and every time that they serviced our home equipment, they were timely, efficient, and professional. Thank you Pat and office personnel.