Julyne K.
8/25/2025
Dennis has been in the heating and cooling industries for many, many years. He is very knowledgeable about the services he provides. We know when we call Dennis for our heating and cooling...
Dennis Heating and Cooling
(3)
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W Elm Ave
Cortland, IL 60112
Dennis Heating and Cooling LLC is a trusted HVAC provider serving San Antonio and its surrounding areas, specializing in air conditioning, heating, and ventilation services for both residential and commercial properties. Their experienced team offers a range of services, including installation, repair, and routine maintenance, ensuring comfort and efficiency year-round.
The company prides itself on providing free estimates and servicing all major brands, making it easy for customers to receive tailored solutions that meet their specific needs. With a commitment to reliable and affordable service, Dennis Heating and Cooling is dedicated to enhancing indoor air quality and comfort for every client.
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Reviews
5.03 reviewsBrian F.
9/10/2024
We contracted with Dennis to replace a 21 year old furnace and air conditioning system. The price was fair, honest and upfront. The work was completed on time and the cleanup was great. Stairs...
Tammy T.
8/12/2024
Dennis was working at the Church across the street from our house when my husband went over to ask him a question on an issue we were having with our water heater venting. He was so kind to come...
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